1 /* $NetBSD: grf_rhreg.h,v 1.18 2024/07/20 20:53:53 andvar Exp $ */ 2 3 /* 4 * Copyright (c) 1994 Markus Wild 5 * Copyright (c) 1994 Lutz Vieweg 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. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Lutz Vieweg. 19 * 4. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 #ifndef _GRF_RHREG_H 34 #define _GRF_RHREG_H 35 36 #define EMPTY_ALPHA 0x2010 /* this is the char and the attribute 37 that AlphaErase will fill into the 38 text-screen */ 39 40 #define MEMSIZE 4 /* Set this to 1 or 4 (MB), according to the 41 RAM on your Retina BLT Z3 board */ 42 /* 43 * The following definitions are places in the frame-buffer memory 44 * which are used for special purposes. While the displayed screen 45 * itself is always beginning at the start of the frame-buffer 46 * memory, the following special places are located at the end 47 * of the memory to keep free as much space as possible for the 48 * screen - the user might want to use monitor-definitions with 49 * huge logical dimensions (e.g. 2048x2000 ?). This way of defining 50 * special locations in the frame-buffer memory is far from being 51 * elegant - you may want to use you own, real memory-management... 52 * but remember that some routines in RZ3_BSD.cc REALLY NEED those 53 * memory locations to function properly, so if you manage the 54 * frame-buffer memory on your own, make sure to change those 55 * definitions appropriately. 56 */ 57 58 /* reserve some space for one pattern line */ 59 #define PAT_MEM_SIZE 16*3 60 #define PAT_MEM_OFF (MEMSIZE*1024*1024 - PAT_MEM_SIZE) 61 62 /* reserve some space for the hardware cursor (up to 64x64 pixels) */ 63 #define HWC_MEM_SIZE 1024 64 #define HWC_MEM_OFF ((PAT_MEM_OFF - HWC_MEM_SIZE) & 0xffffff00) 65 66 /* 67 * The following structure is passed to RZ3Init() and holds the 68 * monitor-definition. You may either use one of the ready-made 69 * definitions in RZ3_monitors.cc or you can define them on your 70 * own, take a look at RZ3_monitors.cc for more information. 71 */ 72 struct MonDef { 73 74 /* first the general monitor characteristics */ 75 76 unsigned long FQ; 77 unsigned char FLG; 78 79 unsigned short MW; /* physical screen width in pixels */ 80 /* has to be at least a multiple of 8 */ 81 unsigned short MH; /* physical screen height in pixels */ 82 83 unsigned short HBS; 84 unsigned short HSS; 85 unsigned short HSE; 86 unsigned short HBE; 87 unsigned short HT; 88 unsigned short VBS; 89 unsigned short VSS; 90 unsigned short VSE; 91 unsigned short VBE; 92 unsigned short VT; 93 94 unsigned short DEP; /* Color-depth, 4 enables text-mode */ 95 /* 8 enables 256-color graphics-mode, */ 96 /* 16 and 24bit gfx not supported yet */ 97 98 unsigned char * PAL; /* points to 16*3 byte RGB-palette data */ 99 /* use LoadPalette() to set colors 0..255 */ 100 /* in 256-color-gfx mode */ 101 102 /* 103 * all following entries are font-specific in 104 * text-mode. Make sure your monitor 105 * parameters are calculated for the 106 * appropriate font width and height! 107 */ 108 109 unsigned short TX; /* Text-mode (DEP=4): */ 110 /* screen-width in characters */ 111 112 /* Gfx-mode (DEP > 4) */ 113 /* "logical" screen-width, */ 114 /* use values > MW to allow */ 115 /* hardware-panning */ 116 117 unsigned short TY; /* Text-mode: */ 118 /* screen-height in characters */ 119 120 /* Gfx-mode: "logical" screen */ 121 /* height for panning */ 122 123 /* the following values are currently unused for gfx-mode */ 124 125 unsigned short XY; /* TX*TY (speeds up some calcs.) */ 126 127 unsigned short FX; /* font-width (valid values: 4,7-16) */ 128 unsigned short FY; /* font-height (valid range: 1-32) */ 129 unsigned char * FData; /* pointer to the font-data */ 130 131 /* 132 * The font data is simply an array of bytes defining 133 * the chars in ascending order, line by line. If your 134 * font is wider than 8 pixel, FData has to be an 135 * array of words. 136 */ 137 138 unsigned short FLo; /* lowest character defined */ 139 unsigned short FHi; /* highest char. defined */ 140 141 }; 142 143 144 /* 145 * The following are the prototypes for the low-level 146 * routines you may want to call. 147 */ 148 149 #if 0 150 151 #ifdef __GNUG__ 152 153 /* The prototypes for C++, prototypes for C (with explanations) below */ 154 155 "C" unsigned char * RZ3Init (volatile void *HardWareAddress, struct MonDef * md); 156 "C" void RZ3SetCursorPos (unsigned short pos); 157 "C" void RZ3AlphaErase (unsigned short xd, unsigned short yd, 158 unsigned short w, unsigned short h ); 159 "C" void RZ3AlphaCopy (unsigned short xs, unsigned short ys, 160 unsigned short xd, unsigned short yd, 161 unsigned short w, unsigned short h ); 162 "C" void RZ3BitBlit (struct grf_bitblt * gbb ); 163 "C" void RZ3BitBlit16 (struct grf_bitblt * gbb ); 164 "C" void RZ3LoadPalette (unsigned char * pal, unsigned char firstcol, unsigned char colors); 165 "C" void RZ3SetPalette (unsigned char colornum, unsigned char red, unsigned char green, unsigned char blue); 166 "C" void RZ3SetPanning (unsigned short xoff, unsigned short yoff); 167 "C" void RZ3SetupHWC (unsigned char col1, unsigned col2, 168 unsigned char hsx, unsigned char hsy, 169 const unsigned long * data); 170 "C" void RZ3DisableHWC (void); 171 "C" void RZ3SetHWCloc (unsigned short x, unsigned short y); 172 #else 173 174 /* The prototypes for C */ 175 /* with a little explanation */ 176 177 unsigned char * RZ3Init(volatile void *BoardAddress, struct MonDef * md); 178 179 /* 180 * This routine initialises the Retina Z3 hardware, opens a 181 * text- or gfx-mode screen, depending on the value of 182 * MonDef.DEP, and sets the cursor to position 0. 183 * It takes as arguments a pointer to the hardware-base 184 * address as it is denoted in the DevConf structure 185 * of the AmigaDOS, and a pointer to a struct MonDef 186 * which describes the screen-mode parameters. 187 * 188 * The routine returns 0 if it was unable to open the screen, 189 * or an unsigned char * to the display memory when it 190 * succeeded. 191 * 192 * The organisation of the display memory in text-mode is a 193 * little strange (Intel-typically...) : 194 * 195 * Byte 00 01 02 03 04 05 06 etc. 196 * Char0 Attr0 -- -- Char1 Attr1 -- etc. 197 * 198 * You may set a character and its associated attribute byte 199 * with a single word-access, or you may perform to byte writes 200 * for the char and attribute. Each 2. word has no meaning, 201 * and writes to these locations are ignored. 202 * 203 * The attribute byte for each character has the following 204 * structure: 205 * 206 * Bit 7 6 5 4 3 2 1 0 207 * BLINK BACK2 BACK1 BACK0 FORE3 FORE2 FORE1 FORE0 208 * 209 * Were FORE is the foreground-color index (0-15) and 210 * BACK is the background color index (0-7). BLINK 211 * enables blinking for the associated character. 212 * The higher 8 colors in the standard palette are 213 * lighter than the lower 8, so you may see FORE3 as 214 * an intensity bit. If FORE == 1 or FORE == 9 and 215 * BACK == 0 the character is underlined. Since I don't 216 * think this looks good, it will probably change in a 217 * future release. 218 * 219 * There's no routine "SetChar" or "SetAttr" provided, 220 * because I think it's so trivial... a function call 221 * would be pure overhead. As an example, a routine 222 * to set the char code and attribute at position x,y: 223 * (assumed the value returned by RZ3Init was stored 224 * into "DispMem", the actual MonDef struct * is hold 225 * in "MDef") 226 * 227 * void SetChar(unsigned char chr, unsigned char attr, 228 * unsigned short x, unsigned short y) { 229 * 230 * unsigned struct MonDef * md = MDef; 231 * unsigned char * c = DispMem + x*4 + y*md->TX*4; 232 * 233 * *c++ = chr; 234 * *c = attr; 235 * 236 * } 237 * 238 * In gfx-mode, the memory organisation is rather simple, 239 * 1 byte per pixel in 256-color mode, one pixel after 240 * each other, line by line. 241 * 242 * When 16-bits per pixel are used, each two bytes represent 243 * one pixel. The meaning of the bits is the following: 244 * 245 * Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00 246 * Component g2 g1 g0 b4 b3 b2 b1 b0 r4 r3 r2 r1 r0 g5 g4 g3 247 * 248 * Please note that the memory layout in gfx-mode depends 249 * on the logical screen-size, panning does only affect 250 * the appearance of the physical screen. 251 * 252 * Currently, RZ3Init() disables the Retina Z3 VBLANK IRQ, 253 * but beware: When running the Retina WB-Emu under 254 * AmigaDOS, the VBLANK IRQ is ENABLED... 255 * 256 */ 257 258 void RZ3LoadPalette(unsigned char * pal, unsigned char firstcol, unsigned char colors); 259 260 /* 261 * Loads the palette-registers. "pal" points to an array of unsigned char 262 * triplets, for the red, green and blue component. "firstcol" determines the 263 * number of the first palette-register to load (256 available). "colors" is 264 * the number of colors you want to put in the palette registers. 265 */ 266 267 void RZ3SetPalette(unsigned char colornum, unsigned char red, unsigned char green, unsigned char blue); 268 269 /* 270 * Allows you to set a single color in the palette, "colornum" is the number 271 * of the palette entry (256 available), "red", "green" and "blue" are the 272 * three components. 273 */ 274 275 void RZ3SetCursorPos(unsigned short pos); 276 277 /* 278 * This routine sets the text-mode hardware-cursor position to the screen 279 * location pos. pos can be calculated as (x + y * md->TY). 280 * Text-mode only! 281 */ 282 283 void RZ3AlphaCopy (unsigned short xs, unsigned short ys, 284 unsigned short xd, unsigned short yd, 285 unsigned short w, unsigned short h ); 286 287 /* 288 * This Routine uses the blitter to perform fast copies 289 * in the text-display. The parameters are: 290 * xs - source x-coordinate 291 * ys - source y-coordinate 292 * xd - destination x-coordinate 293 * yd - destination y-coordinate 294 * w - the width of the area to copy 295 * h - the height of the area to copy 296 * All coordinates are in characters. RZ3AlphaCopy does not 297 * check for boundaries - you've got to make sure that the 298 * parameters have sensible values. Text-mode only! 299 */ 300 301 302 void RZ3AlphaErase (unsigned short xd, unsigned short yd, 303 unsigned short w, unsigned short h ); 304 305 /* 306 * RZ3AlphaErase uses the blitter to erase portions of 307 * the text-display. The parameters are: 308 * xd - destination x-coordinate 309 * yd - destination y-coordinate 310 * w - the width of the area to erase 311 * h - the height of the area to erase 312 * All coordinates are in characters. RZ3AlphaCopy does not 313 * check for boundaries - you've got to make sure that the 314 * parameters have sensible values. Text-mode only! 315 * 316 * Since the blitter is unable to use a mask-pattern and a 317 * certain fill-value at the same time, this routine uses 318 * a simple trick: RZ3Init() clears a memory area twice as 319 * large as the text-display needs, and RZ3AlphaErase then 320 * simply uses RZ3AlphaCopy to copy the desired area from 321 * the empty text-screen to the actually displayed screen. 322 */ 323 324 void RZ3BitBlit (struct grf_bitblt * gbb ); 325 326 /* 327 * RZ3BitBlit uses the blitter to perform one of 16 328 * available logical operations on the display memory, 329 * among them ordinary fill- and copy operations. 330 * The only parameter is a pointer to a struct grf_bitblt: 331 * 332 * struct grf_bitblt { 333 * unsigned short op; see above definitions of GRFBBOPxxx 334 * unsigned short src_x, src_y; upper left corner of source-region 335 * unsigned short dst_x, dst_y; upper left corner of dest-region 336 * unsigned short w, h; width, height of region 337 * unsigned short mask; bitmask to apply 338 * }; 339 * 340 * All coordinates are in pixels. RZ3BitBlit does not 341 * check for boundaries - you've got to make sure that the 342 * parameters have sensible values. 8 bit gfx-mode only! 343 * 344 * The blitter has a lot more capabilities, which aren't 345 * currently used by these routines, among them color-expanded 346 * and text-blits, which can speed up GUIs like X11 a lot. 347 * If you've got any idea how to make use of them within 348 * your routines, contact me, and I'll implement the necessary 349 * blit-operations. 350 */ 351 352 void RZ3BitBlit16( struct grf_bitblt * gbb ); 353 354 /* Does the same as RZ3BitBlit(), but for 16-bit screens */ 355 356 void RZ3SetPanning(unsigned short xoff, unsigned short yoff); 357 358 /* 359 * Moves the logical coordinate (xoff, yoff) to the upper left corner 360 * of your screen. Of course, you shouldn't specify excess values that would 361 * show garbage in the lower right area of your screen... SetPanning() 362 * does NOT check for boundaries. 363 * Please read the documentation of RZ3SetHWCloc, too. 364 */ 365 366 void RZ3SetupHWC (unsigned char col1, unsigned col2, 367 unsigned char hsx, unsigned char hsy, 368 const unsigned long * data); 369 370 /* 371 * Initializes and switches on the hardware-cursor sprite. 372 * The parameters are: 373 * col1 - the first color 374 * col2 - the second color 375 * hsx - hot-spot location offset x 376 * hsy - hot-spot location offset y 377 * data - a pointer to the bitmap data to be used for the sprite 378 * 379 * The organization of the data is - as always with MSDOS related 380 * products - rather strange: The first and the second long-word 381 * represent bitplane0 for the first 64 pixels. The following two 382 * long-words represent bitplane1 for the first 64 pixels. But 383 * the long-words are organized in Intel-fashion, beginning with 384 * the least significant byte, ending with the most significant 385 * one. The most significant bit of each byte is the leftmost, 386 * as one would expect it. Now the weird color-assignments: 387 * 388 * bitplane0 bitplane1 result 389 * 0 0 col2 390 * 0 1 col1 391 * 1 0 transparent 392 * 1 1 background-color XOR 0xff 393 * 394 * The size of the data has to be 64*64*2/8 = 1024 byte, 395 * obviously, the size of the sprite is 64x64 pixels. 396 */ 397 398 399 void RZ3DisableHWC (void); 400 401 /* simply disables the hardware-cursor sprite */ 402 403 void RZ3SetHWCloc (unsigned short x, unsigned short y); 404 405 /* 406 * sets the location of the hardware-cursor sprite to x,y 407 * relative to the logical screen beginning. 408 * IMPORTANT: If you use RZ3SetHWCloc() to set the position 409 * of the hardware-cursor sprite, all necessary panning is 410 * done automatically - you can treat the display without 411 * even knowing about the physical screen size that is 412 * displayed. 413 */ 414 415 #endif 416 417 #endif /* RZ3_BSD_h */ 418 419 420 /* -------------- START OF CODE -------------- */ 421 422 /* read VGA register */ 423 #define vgar(ba, reg) (*(((volatile unsigned char *)ba)+reg)) 424 425 /* write VGA register */ 426 #define vgaw(ba, reg, val) \ 427 *(((volatile unsigned char *)ba)+reg) = val 428 429 /* 430 * defines for the used register addresses (mw) 431 * 432 * NOTE: there are some registers that have different addresses when 433 * in mono or color mode. We only support color mode, and thus 434 * some addresses won't work in mono-mode! 435 */ 436 437 /* General Registers: */ 438 #define GREG_STATUS0_R 0x03C2 439 #define GREG_STATUS1_R 0x03DA 440 #define GREG_MISC_OUTPUT_R 0x03CC 441 #define GREG_MISC_OUTPUT_W 0x03C2 442 #define GREG_FEATURE_CONTROL_R 0x03CA 443 #define GREG_FEATURE_CONTROL_W 0x03DA 444 #define GREG_POS 0x0102 445 446 /* Attribute Controller: */ 447 #define ACT_ADDRESS 0x03C0 448 #define ACT_ADDRESS_R 0x03C0 449 #define ACT_ADDRESS_W 0x03C0 450 #define ACT_ADDRESS_RESET 0x03DA 451 #define ACT_ID_PALETTE0 0x00 452 #define ACT_ID_PALETTE1 0x01 453 #define ACT_ID_PALETTE2 0x02 454 #define ACT_ID_PALETTE3 0x03 455 #define ACT_ID_PALETTE4 0x04 456 #define ACT_ID_PALETTE5 0x05 457 #define ACT_ID_PALETTE6 0x06 458 #define ACT_ID_PALETTE7 0x07 459 #define ACT_ID_PALETTE8 0x08 460 #define ACT_ID_PALETTE9 0x09 461 #define ACT_ID_PALETTE10 0x0A 462 #define ACT_ID_PALETTE11 0x0B 463 #define ACT_ID_PALETTE12 0x0C 464 #define ACT_ID_PALETTE13 0x0D 465 #define ACT_ID_PALETTE14 0x0E 466 #define ACT_ID_PALETTE15 0x0F 467 #define ACT_ID_ATTR_MODE_CNTL 0x10 468 #define ACT_ID_OVERSCAN_COLOR 0x11 469 #define ACT_ID_COLOR_PLANE_ENA 0x12 470 #define ACT_ID_HOR_PEL_PANNING 0x13 471 #define ACT_ID_COLOR_SELECT 0x14 472 473 /* Graphics Controller: */ 474 #define GCT_ADDRESS 0x03CE 475 #define GCT_ADDRESS_R 0x03CE 476 #define GCT_ADDRESS_W 0x03CF 477 #define GCT_ID_SET_RESET 0x00 478 #define GCT_ID_ENABLE_SET_RESET 0x01 479 #define GCT_ID_COLOR_COMPARE 0x02 480 #define GCT_ID_DATA_ROTATE 0x03 481 #define GCT_ID_READ_MAP_SELECT 0x04 482 #define GCT_ID_GRAPHICS_MODE 0x05 483 #define GCT_ID_MISC 0x06 484 #define GCT_ID_COLOR_XCARE 0x07 485 #define GCT_ID_BITMASK 0x08 486 487 /* Sequencer: */ 488 #define SEQ_ADDRESS 0x03C4 489 #define SEQ_ADDRESS_R 0x03C4 490 #define SEQ_ADDRESS_W 0x03C5 491 #define SEQ_ID_RESET 0x00 492 #define SEQ_ID_CLOCKING_MODE 0x01 493 #define SEQ_ID_MAP_MASK 0x02 494 #define SEQ_ID_CHAR_MAP_SELECT 0x03 495 #define SEQ_ID_MEMORY_MODE 0x04 496 #define SEQ_ID_EXTENDED_ENABLE 0x05 /* down from here, all seq registers are NCR extensions */ 497 #define SEQ_ID_UNKNOWN1 0x06 498 #define SEQ_ID_UNKNOWN2 0x07 499 #define SEQ_ID_CHIP_ID 0x08 500 #define SEQ_ID_UNKNOWN3 0x09 501 #define SEQ_ID_CURSOR_COLOR1 0x0A 502 #define SEQ_ID_CURSOR_COLOR0 0x0B 503 #define SEQ_ID_CURSOR_CONTROL 0x0C 504 #define SEQ_ID_CURSOR_X_LOC_HI 0x0D 505 #define SEQ_ID_CURSOR_X_LOC_LO 0x0E 506 #define SEQ_ID_CURSOR_Y_LOC_HI 0x0F 507 #define SEQ_ID_CURSOR_Y_LOC_LO 0x10 508 #define SEQ_ID_CURSOR_X_INDEX 0x11 509 #define SEQ_ID_CURSOR_Y_INDEX 0x12 510 #define SEQ_ID_CURSOR_STORE_HI 0x13 /* manual still wrong here.. argl! */ 511 #define SEQ_ID_CURSOR_STORE_LO 0x14 /* downto 0x16 */ 512 #define SEQ_ID_CURSOR_ST_OFF_HI 0x15 513 #define SEQ_ID_CURSOR_ST_OFF_LO 0x16 514 #define SEQ_ID_CURSOR_PIXELMASK 0x17 515 #define SEQ_ID_PRIM_HOST_OFF_HI 0x18 516 #define SEQ_ID_PRIM_HOST_OFF_LO 0x19 517 #define SEQ_ID_LINEAR_0 0x1A 518 #define SEQ_ID_LINEAR_1 0x1B 519 #define SEQ_ID_SEC_HOST_OFF_HI 0x1C 520 #define SEQ_ID_SEC_HOST_OFF_LO 0x1D 521 #define SEQ_ID_EXTENDED_MEM_ENA 0x1E 522 #define SEQ_ID_EXT_CLOCK_MODE 0x1F 523 #define SEQ_ID_EXT_VIDEO_ADDR 0x20 524 #define SEQ_ID_EXT_PIXEL_CNTL 0x21 525 #define SEQ_ID_BUS_WIDTH_FEEDB 0x22 526 #define SEQ_ID_PERF_SELECT 0x23 527 #define SEQ_ID_COLOR_EXP_WFG 0x24 528 #define SEQ_ID_COLOR_EXP_WBG 0x25 529 #define SEQ_ID_EXT_RW_CONTROL 0x26 530 #define SEQ_ID_MISC_FEATURE_SEL 0x27 531 #define SEQ_ID_COLOR_KEY_CNTL 0x28 532 #define SEQ_ID_COLOR_KEY_MATCH0 0x29 533 #define SEQ_ID_COLOR_KEY_MATCH1 0x2A 534 #define SEQ_ID_COLOR_KEY_MATCH2 0x2B 535 #define SEQ_ID_UNKNOWN6 0x2C 536 #define SEQ_ID_CRC_CONTROL 0x2D 537 #define SEQ_ID_CRC_DATA_LOW 0x2E 538 #define SEQ_ID_CRC_DATA_HIGH 0x2F 539 #define SEQ_ID_MEMORY_MAP_CNTL 0x30 540 #define SEQ_ID_ACM_APERTURE_1 0x31 541 #define SEQ_ID_ACM_APERTURE_2 0x32 542 #define SEQ_ID_ACM_APERTURE_3 0x33 543 #define SEQ_ID_BIOS_UTILITY_0 0x3e 544 #define SEQ_ID_BIOS_UTILITY_1 0x3f 545 546 /* CRT Controller: */ 547 #define CRT_ADDRESS 0x03D4 548 #define CRT_ADDRESS_R 0x03D5 549 #define CRT_ADDRESS_W 0x03D5 550 #define CRT_ID_HOR_TOTAL 0x00 551 #define CRT_ID_HOR_DISP_ENA_END 0x01 552 #define CRT_ID_START_HOR_BLANK 0x02 553 #define CRT_ID_END_HOR_BLANK 0x03 554 #define CRT_ID_START_HOR_RETR 0x04 555 #define CRT_ID_END_HOR_RETR 0x05 556 #define CRT_ID_VER_TOTAL 0x06 557 #define CRT_ID_OVERFLOW 0x07 558 #define CRT_ID_PRESET_ROW_SCAN 0x08 559 #define CRT_ID_MAX_SCAN_LINE 0x09 560 #define CRT_ID_CURSOR_START 0x0A 561 #define CRT_ID_CURSOR_END 0x0B 562 #define CRT_ID_START_ADDR_HIGH 0x0C 563 #define CRT_ID_START_ADDR_LOW 0x0D 564 #define CRT_ID_CURSOR_LOC_HIGH 0x0E 565 #define CRT_ID_CURSOR_LOC_LOW 0x0F 566 #define CRT_ID_START_VER_RETR 0x10 567 #define CRT_ID_END_VER_RETR 0x11 568 #define CRT_ID_VER_DISP_ENA_END 0x12 569 #define CRT_ID_OFFSET 0x13 570 #define CRT_ID_UNDERLINE_LOC 0x14 571 #define CRT_ID_START_VER_BLANK 0x15 572 #define CRT_ID_END_VER_BLANK 0x16 573 #define CRT_ID_MODE_CONTROL 0x17 574 #define CRT_ID_LINE_COMPARE 0x18 575 #define CRT_ID_UNKNOWN1 0x19 /* are these register really void ? */ 576 #define CRT_ID_UNKNOWN2 0x1A 577 #define CRT_ID_UNKNOWN3 0x1B 578 #define CRT_ID_UNKNOWN4 0x1C 579 #define CRT_ID_UNKNOWN5 0x1D 580 #define CRT_ID_UNKNOWN6 0x1E 581 #define CRT_ID_UNKNOWN7 0x1F 582 #define CRT_ID_UNKNOWN8 0x20 583 #define CRT_ID_UNKNOWN9 0x21 584 #define CRT_ID_UNKNOWN10 0x22 585 #define CRT_ID_UNKNOWN11 0x23 586 #define CRT_ID_UNKNOWN12 0x24 587 #define CRT_ID_UNKNOWN13 0x25 588 #define CRT_ID_UNKNOWN14 0x26 589 #define CRT_ID_UNKNOWN15 0x27 590 #define CRT_ID_UNKNOWN16 0x28 591 #define CRT_ID_UNKNOWN17 0x29 592 #define CRT_ID_UNKNOWN18 0x2A 593 #define CRT_ID_UNKNOWN19 0x2B 594 #define CRT_ID_UNKNOWN20 0x2C 595 #define CRT_ID_UNKNOWN21 0x2D 596 #define CRT_ID_UNKNOWN22 0x2E 597 #define CRT_ID_UNKNOWN23 0x2F 598 #define CRT_ID_EXT_HOR_TIMING1 0x30 /* down from here, all crt registers are NCR extensions */ 599 #define CRT_ID_EXT_START_ADDR 0x31 600 #define CRT_ID_EXT_HOR_TIMING2 0x32 601 #define CRT_ID_EXT_VER_TIMING 0x33 602 #define CRT_ID_MONITOR_POWER 0x34 603 604 /* PLL chip (clock frequency synthesizer) I'm guessing here... */ 605 #define PLL_ADDRESS 0x83c8 606 #define PLL_ADDRESS_W 0x83c9 607 608 609 /* Video DAC */ 610 #define VDAC_ADDRESS 0x03c8 611 #define VDAC_ADDRESS_W 0x03c8 612 #define VDAC_ADDRESS_R 0x03c7 613 #define VDAC_STATE 0x03c7 614 #define VDAC_DATA 0x03c9 615 #define VDAC_MASK 0x03c6 616 617 618 /* Accelerator Control Menu (memory mapped registers, includes blitter) */ 619 #define ACM_PRIMARY_OFFSET 0x00 620 #define ACM_SECONDARY_OFFSET 0x04 621 #define ACM_MODE_CONTROL 0x08 622 #define ACM_CURSOR_POSITION 0x0c 623 #define ACM_START_STATUS 0x30 624 #define ACM_CONTROL 0x34 625 #define ACM_RASTEROP_ROTATION 0x38 626 #define ACM_BITMAP_DIMENSION 0x3c 627 #define ACM_DESTINATION 0x40 628 #define ACM_SOURCE 0x44 629 #define ACM_PATTERN 0x48 630 #define ACM_FOREGROUND 0x4c 631 #define ACM_BACKGROUND 0x50 632 633 634 #define WGfx(ba, idx, val) \ 635 do { vgaw(ba, GCT_ADDRESS, idx); vgaw(ba, GCT_ADDRESS_W , val); } while (0) 636 637 #define WSeq(ba, idx, val) \ 638 do { vgaw(ba, SEQ_ADDRESS, idx); vgaw(ba, SEQ_ADDRESS_W , val); } while (0) 639 640 #define WCrt(ba, idx, val) \ 641 do { vgaw(ba, CRT_ADDRESS, idx); vgaw(ba, CRT_ADDRESS_W , val); } while (0) 642 643 #define WAttr(ba, idx, val) \ 644 do { vgaw(ba, ACT_ADDRESS, idx); vgaw(ba, ACT_ADDRESS_W, val); } while (0) 645 646 #define Map(m) \ 647 do { WGfx(ba, GCT_ID_READ_MAP_SELECT, m & 3 ); WSeq(ba, SEQ_ID_MAP_MASK, (1 << (m & 3))); } while (0) 648 649 #define WPLL(ba, idx, val) \ 650 do { vgaw(ba, PLL_ADDRESS, idx);\ 651 vgaw(ba, PLL_ADDRESS_W, (val & 0xff));\ 652 vgaw(ba, PLL_ADDRESS_W, (val >> 8)); } while (0) 653 654 655 static inline unsigned char RAttr(volatile void *ba, short idx) { 656 vgaw (ba, ACT_ADDRESS, idx); 657 return vgar (ba, ACT_ADDRESS_R); 658 } 659 660 static inline unsigned char RSeq(volatile void *ba, short idx) { 661 vgaw (ba, SEQ_ADDRESS, idx); 662 return vgar (ba, SEQ_ADDRESS_R); 663 } 664 665 static inline unsigned char RCrt(volatile void *ba, short idx) { 666 vgaw (ba, CRT_ADDRESS, idx); 667 return vgar (ba, CRT_ADDRESS_R); 668 } 669 670 static inline unsigned char RGfx(volatile void *ba, short idx) { 671 vgaw(ba, GCT_ADDRESS, idx); 672 return vgar (ba, GCT_ADDRESS_R); 673 } 674 675 void RZ3DisableHWC(struct grf_softc *gp); 676 void RZ3SetupHWC(struct grf_softc *gp, unsigned char col1, unsigned int col2, 677 unsigned char hsx, unsigned char hsy, 678 const long unsigned int *data); 679 void RZ3AlphaErase(struct grf_softc *gp, 680 short unsigned int xd, short unsigned int yd, 681 short unsigned int w, short unsigned int h); 682 void RZ3AlphaCopy(struct grf_softc *gp, 683 short unsigned int xs, short unsigned int ys, 684 short unsigned int xd, short unsigned int yd, 685 short unsigned int w, short unsigned int h); 686 void RZ3BitBlit(struct grf_softc *gp, struct grf_bitblt *gbb); 687 void RZ3BitBlit16(struct grf_softc *gp, struct grf_bitblt *gbb); 688 void RZ3BitBlit24(struct grf_softc *gp, struct grf_bitblt *gbb); 689 void RZ3SetCursorPos(struct grf_softc *gp, short unsigned int pos); 690 void RZ3LoadPalette(struct grf_softc *gp, unsigned char *pal, 691 unsigned char firstcol, unsigned char colors); 692 void RZ3SetPalette(struct grf_softc *gp, unsigned char colornum, 693 unsigned char red, unsigned char green, 694 unsigned char blue); 695 void RZ3SetPanning(struct grf_softc *gp, 696 short unsigned int xoff, short unsigned int yoff); 697 void RZ3SetHWCloc(struct grf_softc *gp, 698 short unsigned int x, short unsigned int y); 699 int rh_mode(register struct grf_softc *gp, u_long cmd, void *arg, 700 u_long a2, int a3); 701 int rh_ioctl(register struct grf_softc *gp, u_long cmd, void *data); 702 int rh_getcmap(struct grf_softc *gfp, struct grf_colormap *cmap); 703 int rh_putcmap(struct grf_softc *gfp, struct grf_colormap *cmap); 704 int rh_getspritepos(struct grf_softc *gp, struct grf_position *pos); 705 int rh_setspritepos(struct grf_softc *gp, struct grf_position *pos); 706 int rh_getspriteinfo(struct grf_softc *gp, struct grf_spriteinfo *info); 707 int rh_setspriteinfo(struct grf_softc *gp, struct grf_spriteinfo *info); 708 int rh_getspritemax(struct grf_softc *gp, struct grf_position *pos); 709 int rh_bitblt(struct grf_softc *gp, struct grf_bitblt *bb); 710 int rh_blank(struct grf_softc *, int *); 711 712 struct ite_softc; 713 void rh_init(struct ite_softc *); 714 void rh_cursor(struct ite_softc *, int); 715 void rh_deinit(struct ite_softc *); 716 void rh_putc(struct ite_softc *, int, int, int, int); 717 void rh_clear(struct ite_softc *, int, int, int, int); 718 void rh_scroll(struct ite_softc *, int, int, int, int); 719 720 int grfrh_cnprobe(void); 721 void grfrh_iteinit(struct grf_softc *); 722 723 #endif /* _GRF_RHREG_H */ 724
Indexes created Mon Sep 22 13:09:51 GMT 2025