1 /* $NetBSD: newport.c,v 1.23 2021/08/07 16:19:04 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 2003 Ilpo Ruotsalainen 5 * 2009 Michael Lorenz 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 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 * 30 * <<Id: LICENSE_GC,v 1.1 2001/10/01 23:24:05 cgd Exp>> 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: newport.c,v 1.23 2021/08/07 16:19:04 thorpej Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/device.h> 39 #include <sys/kmem.h> 40 41 #include <machine/sysconf.h> 42 43 #include <dev/wscons/wsconsio.h> 44 #include <dev/wscons/wsdisplayvar.h> 45 #include <dev/wsfont/wsfont.h> 46 #include <dev/rasops/rasops.h> 47 #include <dev/wscons/wsdisplay_vconsvar.h> 48 49 #include <sgimips/gio/giovar.h> 50 #include <sgimips/gio/newportvar.h> 51 #include <sgimips/gio/newportreg.h> 52 53 struct newport_softc { 54 device_t sc_dev; 55 56 struct newport_devconfig *sc_dc; 57 58 }; 59 60 struct newport_devconfig { 61 bus_space_tag_t dc_st; 62 bus_space_handle_t dc_sh; 63 bus_addr_t dc_addr; 64 65 int dc_boardrev; 66 int dc_vc2rev; 67 int dc_cmaprev; 68 int dc_xmaprev; 69 int dc_rexrev; 70 int dc_xres; 71 int dc_yres; 72 int dc_depth; 73 74 int dc_font; 75 struct wsscreen_descr *dc_screen; 76 int dc_mode; 77 struct vcons_data dc_vd; 78 }; 79 80 static int newport_match(device_t, struct cfdata *, void *); 81 static void newport_attach(device_t, device_t, void *); 82 83 CFATTACH_DECL_NEW(newport, sizeof(struct newport_softc), 84 newport_match, newport_attach, NULL, NULL); 85 86 /* textops */ 87 static void newport_cursor(void *, int, int, int); 88 static void newport_cursor_dummy(void *, int, int, int); 89 static void newport_putchar(void *, int, int, u_int, long); 90 static void newport_copycols(void *, int, int, int, int); 91 static void newport_erasecols(void *, int, int, int, long); 92 static void newport_copyrows(void *, int, int, int); 93 static void newport_eraserows(void *, int, int, long); 94 95 static void newport_init_screen(void *, struct vcons_screen *, int, long *); 96 97 /* accessops */ 98 static int newport_ioctl(void *, void *, u_long, void *, int, 99 struct lwp *); 100 static paddr_t newport_mmap(void *, void *, off_t, int); 101 102 static struct wsdisplay_accessops newport_accessops = { 103 .ioctl = newport_ioctl, 104 .mmap = newport_mmap, 105 }; 106 107 static struct wsscreen_descr newport_screen = { 108 .name = "default", 109 .ncols = 160, 110 .nrows = 64, 111 .fontwidth = 8, 112 .fontheight = 16, 113 .capabilities = WSSCREEN_WSCOLORS | WSSCREEN_HILIT | WSSCREEN_REVERSE 114 }; 115 116 static const struct wsscreen_descr *_newport_screenlist[] = { 117 &newport_screen 118 }; 119 120 static const struct wsscreen_list newport_screenlist = { 121 sizeof(_newport_screenlist) / sizeof(struct wsscreen_descr *), 122 _newport_screenlist 123 }; 124 125 static struct vcons_screen newport_console_screen; 126 static struct newport_devconfig newport_console_dc; 127 static int newport_is_console = 0; 128 129 uint8_t our_cmap[768]; 130 131 /**** Low-level hardware register groveling functions ****/ 132 static void 133 rex3_write(struct newport_devconfig *dc, bus_size_t rexreg, uint32_t val) 134 { 135 bus_space_write_4(dc->dc_st, dc->dc_sh, NEWPORT_REX3_OFFSET + rexreg, 136 val); 137 } 138 139 static void 140 rex3_write_go(struct newport_devconfig *dc, bus_size_t rexreg, uint32_t val) 141 { 142 rex3_write(dc, rexreg + REX3_REG_GO, val); 143 } 144 145 static uint32_t 146 rex3_read(struct newport_devconfig *dc, bus_size_t rexreg) 147 { 148 return bus_space_read_4(dc->dc_st, dc->dc_sh, NEWPORT_REX3_OFFSET + 149 rexreg); 150 } 151 152 static void 153 rex3_wait_gfifo(struct newport_devconfig *dc) 154 { 155 while (rex3_read(dc, REX3_REG_STATUS) & 156 (REX3_STATUS_GFXBUSY | REX3_STATUS_PIPELEVEL_MASK)) 157 ; 158 } 159 160 static void 161 vc2_write_ireg(struct newport_devconfig *dc, uint8_t ireg, uint16_t val) 162 { 163 rex3_write(dc, REX3_REG_DCBMODE, 164 REX3_DCBMODE_DW_3 | 165 REX3_DCBMODE_ENCRSINC | 166 (NEWPORT_DCBADDR_VC2 << REX3_DCBMODE_DCBADDR_SHIFT) | 167 (VC2_DCBCRS_INDEX << REX3_DCBMODE_DCBCRS_SHIFT) | 168 REX3_DCBMODE_ENASYNCACK | 169 (1 << REX3_DCBMODE_CSSETUP_SHIFT)); 170 171 rex3_write(dc, REX3_REG_DCBDATA0, (ireg << 24) | (val << 8)); 172 } 173 174 static uint16_t 175 vc2_read_ireg(struct newport_devconfig *dc, uint8_t ireg) 176 { 177 rex3_write(dc, REX3_REG_DCBMODE, 178 REX3_DCBMODE_DW_1 | 179 REX3_DCBMODE_ENCRSINC | 180 (NEWPORT_DCBADDR_VC2 << REX3_DCBMODE_DCBADDR_SHIFT) | 181 (VC2_DCBCRS_INDEX << REX3_DCBMODE_DCBCRS_SHIFT) | 182 REX3_DCBMODE_ENASYNCACK | 183 (1 << REX3_DCBMODE_CSSETUP_SHIFT)); 184 185 rex3_write(dc, REX3_REG_DCBDATA0, ireg << 24); 186 187 rex3_write(dc, REX3_REG_DCBMODE, 188 REX3_DCBMODE_DW_2 | 189 REX3_DCBMODE_ENCRSINC | 190 (NEWPORT_DCBADDR_VC2 << REX3_DCBMODE_DCBADDR_SHIFT) | 191 (VC2_DCBCRS_IREG << REX3_DCBMODE_DCBCRS_SHIFT) | 192 REX3_DCBMODE_ENASYNCACK | 193 (1 << REX3_DCBMODE_CSSETUP_SHIFT)); 194 195 return (uint16_t)(rex3_read(dc, REX3_REG_DCBDATA0) >> 16); 196 } 197 198 static uint16_t 199 vc2_read_ram(struct newport_devconfig *dc, uint16_t addr) 200 { 201 vc2_write_ireg(dc, VC2_IREG_RAM_ADDRESS, addr); 202 203 rex3_write(dc, REX3_REG_DCBMODE, 204 REX3_DCBMODE_DW_2 | 205 (NEWPORT_DCBADDR_VC2 << REX3_DCBMODE_DCBADDR_SHIFT) | 206 (VC2_DCBCRS_RAM << REX3_DCBMODE_DCBCRS_SHIFT) | 207 REX3_DCBMODE_ENASYNCACK | 208 (1 << REX3_DCBMODE_CSSETUP_SHIFT)); 209 210 return (uint16_t)(rex3_read(dc, REX3_REG_DCBDATA0) >> 16); 211 } 212 213 #if 0 214 static void 215 vc2_write_ram(struct newport_devconfig *dc, uint16_t addr, uint16_t val) 216 { 217 vc2_write_ireg(dc, VC2_IREG_RAM_ADDRESS, addr); 218 219 rex3_write(dc, REX3_REG_DCBMODE, 220 REX3_DCBMODE_DW_2 | 221 (NEWPORT_DCBADDR_VC2 << REX3_DCBMODE_DCBADDR_SHIFT) | 222 (VC2_DCBCRS_RAM << REX3_DCBMODE_DCBCRS_SHIFT) | 223 REX3_DCBMODE_ENASYNCACK | 224 (1 << REX3_DCBMODE_CSSETUP_SHIFT)); 225 226 rex3_write(dc, REX3_REG_DCBDATA0, val << 16); 227 } 228 #endif 229 230 static u_int32_t 231 xmap9_read(struct newport_devconfig *dc, int crs) 232 { 233 rex3_write(dc, REX3_REG_DCBMODE, 234 REX3_DCBMODE_DW_1 | 235 (NEWPORT_DCBADDR_XMAP_0 << REX3_DCBMODE_DCBADDR_SHIFT) | 236 (crs << REX3_DCBMODE_DCBCRS_SHIFT) | 237 (3 << REX3_DCBMODE_CSWIDTH_SHIFT) | 238 (2 << REX3_DCBMODE_CSHOLD_SHIFT) | 239 (1 << REX3_DCBMODE_CSSETUP_SHIFT)); 240 return rex3_read(dc, REX3_REG_DCBDATA0); 241 } 242 243 static void 244 xmap9_write(struct newport_devconfig *dc, int crs, uint8_t val) 245 { 246 rex3_write(dc, REX3_REG_DCBMODE, 247 REX3_DCBMODE_DW_1 | 248 (NEWPORT_DCBADDR_XMAP_BOTH << REX3_DCBMODE_DCBADDR_SHIFT) | 249 (crs << REX3_DCBMODE_DCBCRS_SHIFT) | 250 (3 << REX3_DCBMODE_CSWIDTH_SHIFT) | 251 (2 << REX3_DCBMODE_CSHOLD_SHIFT) | 252 (1 << REX3_DCBMODE_CSSETUP_SHIFT)); 253 254 rex3_write(dc, REX3_REG_DCBDATA0, val << 24); 255 } 256 257 static inline void 258 xmap9_wait(struct newport_devconfig *dc) 259 { 260 do {} while (xmap9_read(dc, XMAP9_DCBCRS_FIFOAVAIL) == 0); 261 } 262 263 static void 264 xmap9_write_mode(struct newport_devconfig *dc, uint8_t index, uint32_t mode) 265 { 266 volatile uint32_t junk; 267 /* wait for FIFO if needed */ 268 xmap9_wait(dc); 269 270 rex3_write(dc, REX3_REG_DCBMODE, 271 REX3_DCBMODE_DW_4 | 272 (NEWPORT_DCBADDR_XMAP_BOTH << REX3_DCBMODE_DCBADDR_SHIFT) | 273 (XMAP9_DCBCRS_MODE_SETUP << REX3_DCBMODE_DCBCRS_SHIFT) | 274 (3 << REX3_DCBMODE_CSWIDTH_SHIFT) | 275 (2 << REX3_DCBMODE_CSHOLD_SHIFT) | 276 (1 << REX3_DCBMODE_CSSETUP_SHIFT)); 277 278 xmap9_wait(dc); 279 280 rex3_write(dc, REX3_REG_DCBDATA0, (index << 24) | mode); 281 junk = rex3_read(dc, REX3_REG_DCBDATA0); 282 __USE(junk); 283 } 284 285 /**** Helper functions ****/ 286 static void 287 newport_fill_rectangle(struct newport_devconfig *dc, int x1, int y1, int wi, 288 int he, uint32_t color) 289 { 290 int x2 = x1 + wi - 1; 291 int y2 = y1 + he - 1; 292 293 rex3_wait_gfifo(dc); 294 295 rex3_write(dc, REX3_REG_DRAWMODE0, REX3_DRAWMODE0_OPCODE_DRAW | 296 REX3_DRAWMODE0_ADRMODE_BLOCK | REX3_DRAWMODE0_DOSETUP | 297 REX3_DRAWMODE0_STOPONX | REX3_DRAWMODE0_STOPONY); 298 rex3_write(dc, REX3_REG_CLIPMODE, 0x1e00); 299 rex3_write(dc, REX3_REG_DRAWMODE1, 300 REX3_DRAWMODE1_PLANES_RGB | 301 REX3_DRAWMODE1_DD_DD8 | 302 REX3_DRAWMODE1_RWPACKED | 303 REX3_DRAWMODE1_HD_HD8 | 304 REX3_DRAWMODE1_COMPARE_LT | 305 REX3_DRAWMODE1_COMPARE_EQ | 306 REX3_DRAWMODE1_COMPARE_GT | 307 REX3_DRAWMODE1_RGBMODE | 308 REX3_DRAWMODE1_FASTCLEAR | 309 REX3_DRAWMODE1_LO_SRC); 310 rex3_write(dc, REX3_REG_WRMASK, 0xffffffff); 311 rex3_write(dc, REX3_REG_COLORVRAM, color); 312 rex3_write(dc, REX3_REG_XYSTARTI, (x1 << REX3_XYSTARTI_XSHIFT) | y1); 313 314 rex3_write_go(dc, REX3_REG_XYENDI, (x2 << REX3_XYENDI_XSHIFT) | y2); 315 } 316 317 static void 318 newport_bitblt(struct newport_devconfig *dc, int xs, int ys, int xd, 319 int yd, int wi, int he, int rop) 320 { 321 int xe, ye; 322 uint32_t tmp; 323 324 rex3_wait_gfifo(dc); 325 if (yd > ys) { 326 /* need to copy bottom up */ 327 ye = ys; 328 yd += he - 1; 329 ys += he - 1; 330 } else 331 ye = ys + he - 1; 332 333 if (xd > xs) { 334 /* need to copy right to left */ 335 xe = xs; 336 xd += wi - 1; 337 xs += wi - 1; 338 } else 339 xe = xs + wi - 1; 340 341 rex3_write(dc, REX3_REG_DRAWMODE0, REX3_DRAWMODE0_OPCODE_SCR2SCR | 342 REX3_DRAWMODE0_ADRMODE_BLOCK | REX3_DRAWMODE0_DOSETUP | 343 REX3_DRAWMODE0_STOPONX | REX3_DRAWMODE0_STOPONY); 344 rex3_write(dc, REX3_REG_DRAWMODE1, 345 REX3_DRAWMODE1_PLANES_CI | 346 REX3_DRAWMODE1_DD_DD8 | 347 REX3_DRAWMODE1_RWPACKED | 348 REX3_DRAWMODE1_HD_HD8 | 349 REX3_DRAWMODE1_COMPARE_LT | 350 REX3_DRAWMODE1_COMPARE_EQ | 351 REX3_DRAWMODE1_COMPARE_GT | 352 ((rop << 28) & REX3_DRAWMODE1_LOGICOP_MASK)); 353 rex3_write(dc, REX3_REG_XYSTARTI, (xs << REX3_XYSTARTI_XSHIFT) | ys); 354 rex3_write(dc, REX3_REG_XYENDI, (xe << REX3_XYENDI_XSHIFT) | ye); 355 356 tmp = (yd - ys) & 0xffff; 357 tmp |= (xd - xs) << REX3_XYMOVE_XSHIFT; 358 359 rex3_write_go(dc, REX3_REG_XYMOVE, tmp); 360 } 361 362 static void 363 newport_cmap_setrgb(struct newport_devconfig *dc, int index, uint8_t r, 364 uint8_t g, uint8_t b) 365 { 366 rex3_write(dc, REX3_REG_DCBMODE, 367 REX3_DCBMODE_DW_2 | 368 REX3_DCBMODE_ENCRSINC | 369 (NEWPORT_DCBADDR_CMAP_BOTH << REX3_DCBMODE_DCBADDR_SHIFT) | 370 (CMAP_DCBCRS_ADDRESS_LOW << REX3_DCBMODE_DCBCRS_SHIFT) | 371 (1 << REX3_DCBMODE_CSWIDTH_SHIFT) | 372 (1 << REX3_DCBMODE_CSHOLD_SHIFT) | 373 (1 << REX3_DCBMODE_CSSETUP_SHIFT) | 374 REX3_DCBMODE_SWAPENDIAN); 375 376 rex3_write(dc, REX3_REG_DCBDATA0, index << 16); 377 378 rex3_write(dc, REX3_REG_DCBMODE, 379 REX3_DCBMODE_DW_3 | 380 (NEWPORT_DCBADDR_CMAP_BOTH << REX3_DCBMODE_DCBADDR_SHIFT) | 381 (CMAP_DCBCRS_PALETTE << REX3_DCBMODE_DCBCRS_SHIFT) | 382 (1 << REX3_DCBMODE_CSWIDTH_SHIFT) | 383 (1 << REX3_DCBMODE_CSHOLD_SHIFT) | 384 (1 << REX3_DCBMODE_CSSETUP_SHIFT)); 385 386 rex3_write(dc, REX3_REG_DCBDATA0, (r << 24) + (g << 16) + (b << 8)); 387 } 388 389 static void 390 newport_get_resolution(struct newport_devconfig *dc) 391 { 392 uint16_t vep,lines; 393 uint16_t linep,cols; 394 uint16_t data; 395 396 vep = vc2_read_ireg(dc, VC2_IREG_VIDEO_ENTRY); 397 398 dc->dc_xres = 0; 399 dc->dc_yres = 0; 400 401 for (;;) { 402 /* Iterate over runs in video timing table */ 403 404 cols = 0; 405 406 linep = vc2_read_ram(dc, vep++); 407 lines = vc2_read_ram(dc, vep++); 408 409 if (lines == 0) 410 break; 411 412 do { 413 /* Iterate over state runs in line sequence table */ 414 415 data = vc2_read_ram(dc, linep++); 416 417 if ((data & 0x0001) == 0) 418 cols += (data >> 7) & 0xfe; 419 420 if ((data & 0x0080) == 0) 421 data = vc2_read_ram(dc, linep++); 422 } while ((data & 0x8000) == 0); 423 424 if (cols != 0) { 425 if (cols > dc->dc_xres) 426 dc->dc_xres = cols; 427 428 dc->dc_yres += lines; 429 } 430 } 431 } 432 433 static void 434 newport_setup_hw(struct newport_devconfig *dc, int depth) 435 { 436 uint16_t __unused(curp), tmp; 437 int i; 438 uint32_t scratch; 439 440 /* Get various revisions */ 441 rex3_write(dc, REX3_REG_DCBMODE, 442 REX3_DCBMODE_DW_1 | 443 (NEWPORT_DCBADDR_CMAP_0 << REX3_DCBMODE_DCBADDR_SHIFT) | 444 (CMAP_DCBCRS_REVISION << REX3_DCBMODE_DCBCRS_SHIFT) | 445 (1 << REX3_DCBMODE_CSWIDTH_SHIFT) | 446 (1 << REX3_DCBMODE_CSHOLD_SHIFT) | 447 (1 << REX3_DCBMODE_CSSETUP_SHIFT)); 448 449 scratch = vc2_read_ireg(dc, VC2_IREG_CONFIG); 450 dc->dc_vc2rev = (scratch & VC2_IREG_CONFIG_REVISION) >> 5; 451 452 scratch = rex3_read(dc, REX3_REG_DCBDATA0); 453 454 dc->dc_boardrev = (scratch >> 28) & 0x07; 455 dc->dc_cmaprev = scratch & 0x07; 456 dc->dc_xmaprev = xmap9_read(dc, XMAP9_DCBCRS_REVISION) & 0x07; 457 dc->dc_depth = ( (dc->dc_boardrev > 1) && (scratch & 0x80)) ? 8 : 24; 458 459 /* Setup cursor glyph */ 460 curp = vc2_read_ireg(dc, VC2_IREG_CURSOR_ENTRY); 461 462 /* Setup VC2 to a known state */ 463 tmp = vc2_read_ireg(dc, VC2_IREG_CONTROL) & VC2_CONTROL_INTERLACE; 464 vc2_write_ireg(dc, VC2_IREG_CONTROL, tmp | 465 VC2_CONTROL_DISPLAY_ENABLE | 466 VC2_CONTROL_VTIMING_ENABLE | 467 VC2_CONTROL_DID_ENABLE | 468 VC2_CONTROL_CURSORFUNC_ENABLE /*| 469 VC2_CONTROL_CURSOR_ENABLE*/); 470 471 /* disable all clipping */ 472 rex3_write(dc, REX3_REG_CLIPMODE, 0x1e00); 473 474 /* Setup XMAP9s */ 475 xmap9_write(dc, XMAP9_DCBCRS_CURSOR_CMAP, 0); 476 477 if (depth == 8) { 478 479 for (i = 0; i < 32; i++) { 480 xmap9_write_mode(dc, i, 481 XMAP9_MODE_GAMMA_BYPASS | 482 XMAP9_MODE_PIXSIZE_8BPP | XMAP9_MODE_PIXMODE_RGB2); 483 } 484 xmap9_write(dc, XMAP9_DCBCRS_MODE_SELECT, 0); 485 486 /* Setup REX3 */ 487 rex3_write(dc, REX3_REG_XYWIN, (4096 << 16) | 4096); 488 rex3_write(dc, REX3_REG_TOPSCAN, 0x3ff); /* XXX Why? XXX */ 489 490 /* Setup CMAP */ 491 uint8_t ctmp; 492 for (i = 0; i < 256; i++) { 493 ctmp = i & 0xe0; 494 /* 495 * replicate bits so 0xe0 maps to a red value of 0xff 496 * in order to make white look actually white 497 */ 498 ctmp |= (ctmp >> 3) | (ctmp >> 6); 499 our_cmap[i * 3] = ctmp; 500 501 ctmp = (i & 0x1c) << 3; 502 ctmp |= (ctmp >> 3) | (ctmp >> 6); 503 our_cmap[i * 3 + 1] = ctmp; 504 505 ctmp = (i & 0x03) << 6; 506 ctmp |= ctmp >> 2; 507 ctmp |= ctmp >> 4; 508 our_cmap[i * 3 + 2] = ctmp; 509 510 newport_cmap_setrgb(dc, i, our_cmap[i * 3], 511 our_cmap[i * 3 + 1], our_cmap[i * 3 + 2]); 512 } 513 /* Write a ramp into RGB2 cmap */ 514 for (i = 0; i < 256; i++) 515 newport_cmap_setrgb(dc, 0x1f00 + i, i, i, i); 516 } else { 517 uint8_t dcbcfg; 518 519 dcbcfg = xmap9_read(dc, XMAP9_DCBCRS_CONFIG); 520 aprint_debug("dcbcfg: %02x\n", dcbcfg); 521 dcbcfg &= 0x3c; 522 xmap9_write(dc, XMAP9_DCBCRS_CONFIG, dcbcfg | XMAP9_CONFIG_RGBMAP_2); 523 524 for (i = 0; i < 32; i++) { 525 xmap9_write_mode(dc, i, 526 XMAP9_MODE_GAMMA_BYPASS | 527 XMAP9_MODE_PIXSIZE_24BPP | 528 XMAP9_MODE_PIXMODE_RGB2); 529 } 530 531 /* Setup REX3 */ 532 rex3_write(dc, REX3_REG_XYWIN, (4096 << 16) | 4096); 533 rex3_write(dc, REX3_REG_TOPSCAN, 0x3ff); /* XXX Why? XXX */ 534 535 /* Write a ramp into RGB2 cmap */ 536 for (i = 0; i < 256; i++) 537 newport_cmap_setrgb(dc, 0x1f00 + i, i, i, i); 538 } 539 } 540 541 /**** Attach routines ****/ 542 static int 543 newport_match(device_t parent, struct cfdata *self, void *aux) 544 { 545 struct gio_attach_args *ga = aux; 546 547 /* newport doesn't decode all addresses */ 548 if (ga->ga_addr != 0x1f000000 && ga->ga_addr != 0x1f400000 && 549 ga->ga_addr != 0x1f800000 && ga->ga_addr != 0x1fc00000) 550 return 0; 551 552 /* Don't do the destructive probe if we're already attached */ 553 if (newport_is_console && ga->ga_addr == newport_console_dc.dc_addr) 554 return 1; 555 556 if (platform.badaddr( 557 (void *)MIPS_PHYS_TO_KSEG1(ga->ga_addr + NEWPORT_REX3_OFFSET + REX3_REG_XSTARTI), 558 sizeof(uint32_t))) 559 return 0; 560 if (platform.badaddr( 561 (void *)MIPS_PHYS_TO_KSEG1(ga->ga_addr + NEWPORT_REX3_OFFSET + REX3_REG_XSTART), 562 sizeof(uint32_t))) 563 return 0; 564 565 /* Ugly, this probe is destructive, blame SGI... */ 566 /* XXX Should be bus_space_peek/bus_space_poke XXX */ 567 bus_space_write_4(ga->ga_iot, ga->ga_ioh, 568 NEWPORT_REX3_OFFSET + REX3_REG_XSTARTI, 0x12345678); 569 if (bus_space_read_4(ga->ga_iot, ga->ga_ioh, 570 NEWPORT_REX3_OFFSET + REX3_REG_XSTART) 571 != ((0x12345678 & 0xffff) << 11)) 572 return 0; 573 574 return 1; 575 } 576 577 static void 578 newport_attach_common(struct newport_devconfig *dc, struct gio_attach_args *ga) 579 { 580 dc->dc_addr = ga->ga_addr; 581 582 dc->dc_st = ga->ga_iot; 583 dc->dc_sh = ga->ga_ioh; 584 585 newport_setup_hw(dc, 8); 586 587 newport_get_resolution(dc); 588 589 newport_fill_rectangle(dc, 0, 0, dc->dc_xres, dc->dc_yres, 0); 590 591 #ifdef NEWPORT_DEBUG 592 int i; 593 for (i = 0; i < 256; i++) 594 newport_fill_rectangle(dc, 10, i * 3 + 10, 500, 2, i); 595 delay(10000000); 596 #endif 597 dc->dc_screen = &newport_screen; 598 599 dc->dc_mode = WSDISPLAYIO_MODE_EMUL; 600 } 601 602 static void 603 newport_attach(device_t parent, device_t self, void *aux) 604 { 605 struct gio_attach_args *ga = aux; 606 struct newport_softc *sc = device_private(self); 607 struct wsemuldisplaydev_attach_args wa; 608 unsigned long defattr; 609 610 sc->sc_dev = self; 611 if (newport_is_console && ga->ga_addr == newport_console_dc.dc_addr) { 612 wa.console = 1; 613 sc->sc_dc = &newport_console_dc; 614 } else { 615 wa.console = 0; 616 sc->sc_dc = kmem_zalloc(sizeof(struct newport_devconfig), 617 KM_SLEEP); 618 619 newport_attach_common(sc->sc_dc, ga); 620 } 621 622 aprint_naive(": Display adapter\n"); 623 624 aprint_normal(": SGI NG1 (board revision %d, cmap revision %d, xmap revision %d, vc2 revision %d), depth %d\n", 625 sc->sc_dc->dc_boardrev, sc->sc_dc->dc_cmaprev, 626 sc->sc_dc->dc_xmaprev, sc->sc_dc->dc_vc2rev, sc->sc_dc->dc_depth); 627 vcons_init(&sc->sc_dc->dc_vd, sc->sc_dc, sc->sc_dc->dc_screen, 628 &newport_accessops); 629 sc->sc_dc->dc_vd.init_screen = newport_init_screen; 630 if (newport_is_console) { 631 newport_console_screen.scr_flags |= VCONS_SCREEN_IS_STATIC; 632 vcons_init_screen(&sc->sc_dc->dc_vd, &newport_console_screen, 633 1, &defattr); 634 sc->sc_dc->dc_screen->textops = 635 &newport_console_screen.scr_ri.ri_ops; 636 vcons_replay_msgbuf(&newport_console_screen); 637 } 638 wa.scrdata = &newport_screenlist; 639 wa.accessops = &newport_accessops; 640 wa.accesscookie = &sc->sc_dc->dc_vd; 641 642 config_found(sc->sc_dev, &wa, wsemuldisplaydevprint, CFARGS_NONE); 643 } 644 645 int 646 newport_cnattach(struct gio_attach_args *ga) 647 { 648 struct rasops_info *ri = &newport_console_screen.scr_ri; 649 long defattr = 0x000f0000; 650 651 if (!newport_match(NULL, NULL, ga)) { 652 return ENXIO; 653 } 654 655 newport_attach_common(&newport_console_dc, ga); 656 657 ri->ri_hw = &newport_console_screen; 658 ri->ri_depth = newport_console_dc.dc_depth; 659 ri->ri_width = newport_console_dc.dc_xres; 660 ri->ri_height = newport_console_dc.dc_yres; 661 ri->ri_stride = newport_console_dc.dc_xres; /* XXX */ 662 ri->ri_flg = RI_CENTER | RI_NO_AUTO | RI_FULLCLEAR | RI_8BIT_IS_RGB; 663 rasops_init(ri, 0, 0); 664 ri->ri_caps = WSSCREEN_WSCOLORS; 665 rasops_reconfig(ri, ri->ri_height / ri->ri_font->fontheight, 666 ri->ri_width / ri->ri_font->fontwidth); 667 ri->ri_ops.copyrows = newport_copyrows; 668 ri->ri_ops.eraserows = newport_eraserows; 669 ri->ri_ops.copycols = newport_copycols; 670 ri->ri_ops.erasecols = newport_erasecols; 671 ri->ri_ops.cursor = newport_cursor_dummy; 672 ri->ri_ops.putchar = newport_putchar; 673 newport_screen.textops = &ri->ri_ops; 674 newport_screen.ncols = ri->ri_cols; 675 newport_screen.nrows = ri->ri_rows; 676 newport_console_screen.scr_cookie = &newport_console_dc; 677 678 wsdisplay_cnattach(&newport_screen, ri, 0, 0, defattr); 679 newport_is_console = 1; 680 681 return 0; 682 } 683 684 static void 685 newport_init_screen(void *cookie, struct vcons_screen *scr, 686 int existing, long *defattr) 687 { 688 struct newport_devconfig *dc = cookie; 689 struct rasops_info *ri = &scr->scr_ri; 690 691 ri->ri_depth = 8; 692 ri->ri_width = dc->dc_xres; 693 ri->ri_height = dc->dc_yres; 694 ri->ri_stride = dc->dc_xres; /* XXX */ 695 ri->ri_flg = RI_CENTER | RI_FULLCLEAR | RI_8BIT_IS_RGB; 696 697 rasops_init(ri, 0, 0); 698 ri->ri_caps = WSSCREEN_WSCOLORS; 699 700 rasops_reconfig(ri, dc->dc_yres / ri->ri_font->fontheight, 701 dc->dc_xres / ri->ri_font->fontwidth); 702 703 ri->ri_hw = scr; 704 ri->ri_ops.copyrows = newport_copyrows; 705 ri->ri_ops.eraserows = newport_eraserows; 706 ri->ri_ops.copycols = newport_copycols; 707 ri->ri_ops.erasecols = newport_erasecols; 708 ri->ri_ops.cursor = newport_cursor; 709 ri->ri_ops.putchar = newport_putchar; 710 } 711 712 /**** wsdisplay textops ****/ 713 static void 714 newport_cursor_dummy(void *c, int on, int row, int col) 715 { 716 } 717 718 static void 719 newport_cursor(void *c, int on, int row, int col) 720 { 721 struct rasops_info *ri = c; 722 struct vcons_screen *scr = ri->ri_hw; 723 struct newport_devconfig *dc = scr->scr_cookie; 724 int x, y, wi,he; 725 726 wi = ri->ri_font->fontwidth; 727 he = ri->ri_font->fontheight; 728 729 if (ri->ri_flg & RI_CURSOR) { 730 x = ri->ri_ccol * wi + ri->ri_xorigin; 731 y = ri->ri_crow * he + ri->ri_yorigin; 732 newport_bitblt(dc, x, y, x, y, wi, he, 12); 733 ri->ri_flg &= ~RI_CURSOR; 734 } 735 736 ri->ri_crow = row; 737 ri->ri_ccol = col; 738 739 if (on) 740 { 741 x = ri->ri_ccol * wi + ri->ri_xorigin; 742 y = ri->ri_crow * he + ri->ri_yorigin; 743 newport_bitblt(dc, x, y, x, y, wi, he, 12); 744 ri->ri_flg |= RI_CURSOR; 745 } 746 } 747 748 static void 749 newport_putchar(void *c, int row, int col, u_int ch, long attr) 750 { 751 struct rasops_info *ri = c; 752 struct vcons_screen *scr = ri->ri_hw; 753 struct newport_devconfig *dc = scr->scr_cookie; 754 struct wsdisplay_font *font = PICK_FONT(ri, ch); 755 uint8_t *bitmap = (u_int8_t *)font->data + (ch - font->firstchar) * 756 font->fontheight * font->stride; 757 uint32_t pattern; 758 int i; 759 int x = col * font->fontwidth + ri->ri_xorigin; 760 int y = row * font->fontheight + ri->ri_yorigin; 761 762 rex3_wait_gfifo(dc); 763 764 rex3_write(dc, REX3_REG_DRAWMODE0, REX3_DRAWMODE0_OPCODE_DRAW | 765 REX3_DRAWMODE0_ADRMODE_BLOCK | REX3_DRAWMODE0_STOPONX | 766 REX3_DRAWMODE0_ENZPATTERN | REX3_DRAWMODE0_ZPOPAQUE); 767 768 rex3_write(dc, REX3_REG_DRAWMODE1, 769 REX3_DRAWMODE1_PLANES_CI | 770 REX3_DRAWMODE1_DD_DD8 | 771 REX3_DRAWMODE1_RWPACKED | 772 REX3_DRAWMODE1_HD_HD8 | 773 REX3_DRAWMODE1_COMPARE_LT | 774 REX3_DRAWMODE1_COMPARE_EQ | 775 REX3_DRAWMODE1_COMPARE_GT | 776 /*REX3_DRAWMODE1_RGBMODE |*/ 777 REX3_DRAWMODE1_LO_SRC); 778 779 rex3_write(dc, REX3_REG_XYSTARTI, (x << REX3_XYSTARTI_XSHIFT) | y); 780 rex3_write(dc, REX3_REG_XYENDI, 781 (x + font->fontwidth - 1) << REX3_XYENDI_XSHIFT); 782 783 rex3_write(dc, REX3_REG_COLORI, ri->ri_devcmap[(attr >> 24) & 0xf] & 0xff); 784 rex3_write(dc, REX3_REG_COLORBACK, ri->ri_devcmap[(attr >> 16) & 0xf] & 0xff); 785 786 rex3_write(dc, REX3_REG_WRMASK, 0xff); 787 788 if (font->stride == 1) { 789 for (i = 0; i < font->fontheight; i++) { 790 pattern = *bitmap << 24; 791 792 rex3_write_go(dc, REX3_REG_ZPATTERN, pattern); 793 794 bitmap++; 795 } 796 } else { 797 uint16_t *bitmap16 = (uint16_t *)bitmap; 798 for (i = 0; i < font->fontheight; i++) { 799 pattern = *bitmap16 << 16; 800 801 rex3_write_go(dc, REX3_REG_ZPATTERN, pattern); 802 803 bitmap16++; 804 } 805 806 } 807 rex3_wait_gfifo(dc); 808 } 809 810 static void 811 newport_copycols(void *c, int row, int srccol, int dstcol, int ncols) 812 { 813 struct rasops_info *ri = c; 814 struct vcons_screen *scr = ri->ri_hw; 815 struct newport_devconfig *dc = scr->scr_cookie; 816 int32_t xs, xd, y, width, height; 817 818 xs = ri->ri_xorigin + ri->ri_font->fontwidth * srccol; 819 xd = ri->ri_xorigin + ri->ri_font->fontwidth * dstcol; 820 y = ri->ri_yorigin + ri->ri_font->fontheight * row; 821 width = ri->ri_font->fontwidth * ncols; 822 height = ri->ri_font->fontheight; 823 newport_bitblt(dc, xs, y, xd, y, width, height, 3); 824 } 825 826 static void 827 newport_erasecols(void *c, int row, int startcol, int ncols, 828 long attr) 829 { 830 struct rasops_info *ri = c; 831 struct vcons_screen *scr = ri->ri_hw; 832 struct newport_devconfig *dc = scr->scr_cookie; 833 struct wsdisplay_font *font = ri->ri_font; 834 835 newport_fill_rectangle(dc, 836 startcol * font->fontwidth + ri->ri_xorigin, /* x1 */ 837 row * font->fontheight + ri->ri_yorigin, /* y1 */ 838 ncols * font->fontwidth, /* wi */ 839 font->fontheight, /* he */ 840 ri->ri_devcmap[(attr >> 16) & 0xf]); 841 } 842 843 static void 844 newport_copyrows(void *c, int srcrow, int dstrow, int nrows) 845 { 846 struct rasops_info *ri = c; 847 struct vcons_screen *scr = ri->ri_hw; 848 struct newport_devconfig *dc = scr->scr_cookie; 849 int32_t x, ys, yd, width, height; 850 851 x = ri->ri_xorigin; 852 ys = ri->ri_yorigin + ri->ri_font->fontheight * srcrow; 853 yd = ri->ri_yorigin + ri->ri_font->fontheight * dstrow; 854 width = ri->ri_emuwidth; 855 height = ri->ri_font->fontheight * nrows; 856 857 newport_bitblt(dc, x, ys, x, yd, width, height, 3); 858 } 859 860 static void 861 newport_eraserows(void *c, int startrow, int nrows, long attr) 862 { 863 struct rasops_info *ri = c; 864 struct vcons_screen *scr = ri->ri_hw; 865 struct newport_devconfig *dc = scr->scr_cookie; 866 struct wsdisplay_font *font = ri->ri_font; 867 868 if (startrow == 0 && nrows == ri->ri_rows) { 869 newport_fill_rectangle(dc, 870 0, /* x1 */ 871 0, /* y1 */ 872 dc->dc_xres, /* wi */ 873 dc->dc_yres, /* he */ 874 ri->ri_devcmap[(attr >> 16) & 0xf]); 875 } else { 876 newport_fill_rectangle(dc, 877 0, /* x1 */ 878 startrow * font->fontheight + ri->ri_yorigin, /* y1 */ 879 dc->dc_xres, /* wi */ 880 nrows * font->fontheight, /* he */ 881 ri->ri_devcmap[(attr >> 16) & 0xf]); 882 } 883 } 884 885 /**** wsdisplay accessops ****/ 886 887 static int 888 newport_ioctl(void *v, void *vs, u_long cmd, void *data, int flag, 889 struct lwp *l) 890 { 891 struct vcons_data *vd; 892 struct newport_devconfig *dc; 893 struct vcons_screen *__unused(ms); 894 int nmode; 895 896 vd = (struct vcons_data *)v; 897 dc = (struct newport_devconfig *)vd->cookie; 898 ms = (struct vcons_screen *)vd->active; 899 900 #define FBINFO (*(struct wsdisplay_fbinfo*)data) 901 902 switch (cmd) { 903 case WSDISPLAYIO_GINFO: 904 FBINFO.width = dc->dc_xres; 905 FBINFO.height = dc->dc_yres; 906 FBINFO.depth = dc->dc_depth; 907 FBINFO.cmsize = 256; 908 return 0; 909 case WSDISPLAYIO_GTYPE: 910 *(u_int *)data = WSDISPLAY_TYPE_NEWPORT; 911 return 0; 912 case WSDISPLAYIO_SMODE: 913 nmode = *(int *)data; 914 if (nmode != dc->dc_mode) { 915 dc->dc_mode = nmode; 916 if (nmode == WSDISPLAYIO_MODE_EMUL) { 917 rex3_wait_gfifo(dc); 918 newport_setup_hw(dc, 8); 919 vcons_redraw_screen(vd->active); 920 } else { 921 rex3_wait_gfifo(dc); 922 newport_setup_hw(dc, dc->dc_depth); 923 } 924 } 925 return 0; 926 } 927 return EPASSTHROUGH; 928 } 929 930 static paddr_t 931 newport_mmap(void *v, void *vs, off_t offset, int prot) 932 { 933 struct vcons_data *vd; 934 struct newport_devconfig *dc; 935 936 vd = (struct vcons_data *)v; 937 dc = (struct newport_devconfig *)vd->cookie; 938 939 if ( offset >= 0xfffff) 940 return -1; 941 942 return bus_space_mmap(dc->dc_st, dc->dc_addr, offset, prot, 0); 943 } 944
Indexes created Sun Sep 21 16:09:51 GMT 2025