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grf_rhreg.h revision 1.4
      1 /*	$NetBSD: grf_rhreg.h,v 1.4 1995/02/16 21:57:38 chopps 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 MEMCLK 65000000  /* this is the memory clock value, you shouldn't
     41                             set it to less than 65000000, higher values may
     42                             speed up blits a little bit, if you raise this
     43                             value too much, some trash will appear on your
     44                             screen. */
     45 
     46 #define MEMSIZE 4        /* Set this to 1 or 4 (MB), according to the
     47                             RAM on your Retina BLT Z3 board */
     48 /*
     49  * The following definitions are places in the frame-buffer memory
     50  * which are used for special purposes. While the displayed screen
     51  * itself is always beginning at the start of the frame-buffer
     52  * memory, the following special places are located at the end
     53  * of the memory to keep free as much space as possible for the
     54  * screen - the user might want to use monitor-definitions with
     55  * huge logical dimensions (e.g. 2048x2000 ?). This way of defining
     56  * special locations in the frame-buffer memory is far from being
     57  * elegant - you may want to use you own, real memory-management...
     58  * but remember that some routines in RZ3_BSD.cc REALLY NEED those
     59  * memory locations to function properly, so if you manage the
     60  * frame-buffer memory on your own, make sure to change those
     61  * definitions appropriately.
     62  */
     63 
     64 /* reserve some space for one pattern line */
     65 #define PAT_MEM_SIZE 16*3
     66 #define PAT_MEM_OFF  (MEMSIZE*1024*1024 - PAT_MEM_SIZE)
     67 
     68 /* reserve some space for the hardware cursor (up to 64x64 pixels) */
     69 #define HWC_MEM_SIZE 1024
     70 #define HWC_MEM_OFF  ((PAT_MEM_OFF - HWC_MEM_SIZE) & 0xffffff00)
     71 
     72 /*
     73  * The following structure is passed to RZ3Init() and holds the
     74  * monitor-definition. You may either use one of the ready-made
     75  * definitions in RZ3_monitors.cc or you can define them on your
     76  * own, take a look at RZ3_monitors.cc for more information.
     77  */
     78 struct MonDef {
     79 
     80 	/* first the general monitor characteristics */
     81 
     82 	unsigned long  FQ;
     83 	unsigned char  FLG;
     84 
     85 	unsigned short MW;  /* physical screen width in pixels    */
     86 	                    /* has to be at least a multiple of 8 */
     87 	unsigned short MH;  /* physical screen height in pixels   */
     88 
     89 	unsigned short HBS;
     90 	unsigned short HSS;
     91 	unsigned short HSE;
     92 	unsigned short HBE;
     93 	unsigned short HT;
     94 	unsigned short VBS;
     95 	unsigned short VSS;
     96 	unsigned short VSE;
     97 	unsigned short VBE;
     98 	unsigned short VT;
     99 
    100 	unsigned short DEP;  /* Color-depth, 4 enables text-mode  */
    101 	                     /* 8 enables 256-color graphics-mode, */
    102 	                     /* 16 and 24bit gfx not supported yet */
    103 
    104 	unsigned char * PAL; /* points to 16*3 byte RGB-palette data   */
    105 	                     /* use LoadPalette() to set colors 0..255 */
    106 	                     /* in 256-color-gfx mode */
    107 
    108 	/*
    109 	 * all following entries are font-specific in
    110 	 * text-mode. Make sure your monitor
    111 	 * parameters are calculated for the
    112 	 * appropriate font width and height!
    113 	 */
    114 
    115 	unsigned short  TX;     /* Text-mode (DEP=4):          */
    116 	                        /* screen-width  in characters */
    117 
    118 	                        /* Gfx-mode (DEP > 4)          */
    119 	                        /* "logical" screen-width,     */
    120 	                        /* use values > MW to allow    */
    121 	                        /* hardware-panning            */
    122 
    123 	unsigned short  TY;     /* Text-mode:                  */
    124 	                        /* screen-height in characters */
    125 
    126 	                        /* Gfx-mode: "logical" screen  */
    127 	                        /* height for panning          */
    128 
    129 	/* the following values are currently unused for gfx-mode */
    130 
    131 	unsigned short  XY;     /* TX*TY (speeds up some calcs.) */
    132 
    133 	unsigned short  FX;     /* font-width (valid values: 4,7-16) */
    134 	unsigned short  FY;     /* font-height (valid range: 1-32) */
    135 	unsigned char * FData;  /* pointer to the font-data */
    136 
    137 	/*
    138 	 * The font data is simply an array of bytes defining
    139 	 * the chars in ascending order, line by line. If your
    140 	 * font is wider than 8 pixel, FData has to be an
    141 	 * array of words.
    142 	 */
    143 
    144 	unsigned short  FLo;    /* lowest character defined */
    145 	unsigned short  FHi;    /* highest char. defined */
    146 
    147 };
    148 
    149 
    150 /*
    151  * The following are the prototypes for the low-level
    152  * routines you may want to call.
    153  */
    154 
    155 #if 0
    156 
    157 #ifdef __GNUG__
    158 
    159 /* The prototypes for C++, prototypes for C (with explanations) below */
    160 
    161 "C" unsigned char * RZ3Init         (volatile void * HardWareAdress, struct MonDef * md);
    162 "C" void            RZ3SetCursorPos (unsigned short pos);
    163 "C" void            RZ3AlphaErase   (unsigned short xd, unsigned short yd,
    164                                             unsigned short  w, unsigned short  h );
    165 "C" void            RZ3AlphaCopy    (unsigned short xs, unsigned short ys,
    166                                             unsigned short xd, unsigned short yd,
    167                                             unsigned short  w, unsigned short  h  );
    168 "C" void            RZ3BitBlit      (struct grf_bitblt * gbb );
    169 "C" void            RZ3BitBlit16    (struct grf_bitblt * gbb );
    170 "C" void            RZ3LoadPalette  (unsigned char * pal, unsigned char firstcol, unsigned char colors);
    171 "C" void            RZ3SetPalette   (unsigned char colornum, unsigned char red, unsigned char green, unsigned char blue);
    172 "C" void            RZ3SetPanning   (unsigned short xoff, unsigned short yoff);
    173 "C" void            RZ3SetupHWC     (unsigned char col1, unsigned col2,
    174                                             unsigned char hsx, unsigned char hsy,
    175                                             const unsigned long * data);
    176 "C" void            RZ3DisableHWC   (void);
    177 "C" void            RZ3SetHWCloc    (unsigned short x, unsigned short y);
    178 #else
    179 
    180 /* The prototypes for C */
    181 /* with a little explanation */
    182 
    183 	unsigned char * RZ3Init(volatile void * BoardAdress, struct MonDef * md);
    184 
    185 /*
    186  * This routine initialises the Retina Z3 hardware, opens a
    187  * text- or gfx-mode screen, depending on the the value of
    188  * MonDef.DEP, and sets the cursor to position 0.
    189  * It takes as arguments a pointer to the hardware-base
    190  * address as it is denoted in the DevConf structure
    191  * of the AmigaDOS, and a pointer to a struct MonDef
    192  * which describes the screen-mode parameters.
    193  *
    194  * The routine returns 0 if it was unable to open the screen,
    195  * or an unsigned char * to the display memory when it
    196  * succeeded.
    197  *
    198  * The organisation of the display memory in text-mode is a
    199  * little strange (Intel-typically...) :
    200  *
    201  * Byte  00    01    02    03    04     05    06   etc.
    202  *     Char0  Attr0  --    --   Char1 Attr1   --   etc.
    203  *
    204  * You may set a character and its associated attribute byte
    205  * with a single word-access, or you may perform to byte writes
    206  * for the char and attribute. Each 2. word has no meaning,
    207  * and writes to theese locations are ignored.
    208  *
    209  * The attribute byte for each character has the following
    210  * structure:
    211  *
    212  * Bit  7     6     5     4     3     2     1     0
    213  *    BLINK BACK2 BACK1 BACK0 FORE3 FORE2 FORE1 FORE0
    214  *
    215  * Were FORE is the foreground-color index (0-15) and
    216  * BACK is the background color index (0-7). BLINK
    217  * enables blinking for the associated character.
    218  * The higher 8 colors in the standard palette are
    219  * lighter than the lower 8, so you may see FORE3 as
    220  * an intensity bit. If FORE == 1 or FORE == 9 and
    221  * BACK == 0 the character is underlined. Since I don't
    222  * think this looks good, it will probably change in a
    223  * future release.
    224  *
    225  * There's no routine "SetChar" or "SetAttr" provided,
    226  * because I think it's so trivial... a function call
    227  * would be pure overhead. As an example, a routine
    228  * to set the char code and attribute at position x,y:
    229  * (assumed the value returned by RZ3Init was stored
    230  *  into "DispMem", the actual MonDef struct * is hold
    231  *  in "MDef")
    232  *
    233  * void SetChar(unsigned char chr, unsigned char attr,
    234  *              unsigned short x, unsigned short y) {
    235  *
    236  *    unsigned struct MonDef * md = MDef;
    237  *    unsigned char * c = DispMem + x*4 + y*md->TX*4;
    238  *
    239  *    *c++ = chr;
    240  *    *c   = attr;
    241  *
    242  * }
    243  *
    244  * In gfx-mode, the memory organisation is rather simple,
    245  * 1 byte per pixel in 256-color mode, one pixel after
    246  * each other, line by line.
    247  *
    248  * When 16-bits per pixel are used, each two bytes represent
    249  * one pixel. The meaning of the bits is the following:
    250  *
    251  * Bit       15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
    252  * Component g2 g1 g0 b4 b3 b2 b1 b0 r4 r3 r2 r1 r0 g5 g4 g3
    253  *
    254  * Please note that the memory layout in gfx-mode depends
    255  * on the logical screen-size, panning does only affect
    256  * the appearance of the physical screen.
    257  *
    258  * Currently, RZ3Init() disables the Retina Z3 VBLANK IRQ,
    259  * but beware: When running the Retina WB-Emu under
    260  * AmigaDOS, the VBLANK IRQ is ENABLED...
    261  *
    262  */
    263 
    264 	void RZ3LoadPalette(unsigned char * pal, unsigned char firstcol, unsigned char colors);
    265 
    266 /*
    267  * Loads the palette-registers. "pal" points to an array of unsigned char
    268  * triplets, for the red, green and blue component. "firstcol" determines the
    269  * number of the first palette-register to load (256 available). "colors" is
    270  * the number of colors you want to put in the palette registers.
    271  */
    272 
    273 	void RZ3SetPalette(unsigned char colornum, unsigned char red, unsigned char green, unsigned char blue);
    274 
    275 /*
    276  * Allows you to set a single color in the palette, "colornum" is the number
    277  * of the palette entry (256 available), "red", "green" and "blue" are the
    278  * three components.
    279  */
    280 
    281 	void RZ3SetCursorPos(unsigned short pos);
    282 
    283 /*
    284  * This routine sets the text-mode hardware-cursor position to the screen
    285  * location pos. pos can be calculated as (x + y * md->TY).
    286  * Text-mode only!
    287  */
    288 
    289 	void RZ3AlphaCopy (unsigned short xs, unsigned short ys,
    290                       unsigned short xd, unsigned short yd,
    291                       unsigned short  w, unsigned short  h  );
    292 
    293 /*
    294  * This Routine utilizes the blitter to perform fast copies
    295  * in the text-display. The paramters are:
    296  *  xs - source x-coordinate
    297  *  ys - source y-coordinate
    298  *  xd - destination x-coordinate
    299  *  yd - destination y-coordinate
    300  *  w  - the width of the area to copy
    301  *  h  - the height of the area to copy
    302  * All coordinates are in characters. RZ3AlphaCopy does not
    303  * check for boundaries - you've got to make sure that the
    304  * parameters have sensible values. Text-mode only!
    305  */
    306 
    307 
    308 	void RZ3AlphaErase (unsigned short xd, unsigned short yd,
    309                        unsigned short  w, unsigned short  h );
    310 
    311 /*
    312  * RZ3AlphaErase utilizes the blitter to erase portions of
    313  * the text-display. The parameters are:
    314  *  xd - destination x-coordinate
    315  *  yd - destination y-coordinate
    316  *  w  - the width of the area to erase
    317  *  h  - the height of the area to erase
    318  * All coordinates are in characters. RZ3AlphaCopy does not
    319  * check for boundaries - you've got to make sure that the
    320  * parameters have sensible values. Text-mode only!
    321  *
    322  * Since the blitter is unable to use a mask-pattern and a
    323  * certain fill-value at the same time, this routine uses
    324  * a simple trick: RZ3Init() clears a memory area twice as
    325  * large as the text-display needs, and RZ3AlphaErase then
    326  * simply uses RZ3AlphaCopy to copy the desired area from
    327  * the empty text-screen to the actually displayed screen.
    328  */
    329 
    330 	void RZ3BitBlit (struct grf_bitblt * gbb );
    331 
    332 /*
    333  * RZ3BitBlit utilizes the blitter to perform one of 16
    334  * available logical operations on the display memory,
    335  * among them ordinary fill- and copy operations.
    336  * The only parameter is a pointer to a struct grf_bitblt:
    337  *
    338  * struct grf_bitblt {
    339  *   unsigned short op;              see above definitions of GRFBBOPxxx
    340  *   unsigned short src_x, src_y;    upper left corner of source-region
    341  *   unsigned short dst_x, dst_y;    upper left corner of dest-region
    342  *   unsigned short w, h;            width, height of region
    343  *   unsigned short mask;            bitmask to apply
    344  * };
    345  *
    346  * All coordinates are in pixels. RZ3BitBlit does not
    347  * check for boundaries - you've got to make sure that the
    348  * parameters have sensible values. 8 bit gfx-mode only!
    349  *
    350  * The blitter has a lot more capabilities, which aren't
    351  * currently used by theese routines, among them color-expanded
    352  * and text-blits, which can speed up GUIs like X11 a lot.
    353  * If you've got any idea how to make use of them within
    354  * your routines, contact me, and I'll implement the necessary
    355  * blit-operations.
    356  */
    357 
    358 	void RZ3BitBlit16( struct grf_bitblt * gbb );
    359 
    360 /* Does the same as RZ3BitBlit(), but for 16-bit screens */
    361 
    362 	void RZ3SetPanning(unsigned short xoff, unsigned short yoff);
    363 
    364 /*
    365  * Moves the logical coordinate (xoff, yoff) to the upper left corner
    366  * of your screen. Of course, you shouldn't specify excess values that would
    367  * show garbage in the lower right area of your screen... SetPanning()
    368  * does NOT check for boundaries.
    369  * Please read the documentation of RZ3SetHWCloc, too.
    370  */
    371 
    372 	void RZ3SetupHWC (unsigned char col1, unsigned col2,
    373                      unsigned char hsx, unsigned char hsy,
    374                      const unsigned long * data);
    375 
    376 /*
    377  * Initializes and switches on the hardware-cursor sprite.
    378  * The parameters are:
    379  * col1     - the first color
    380  * col2     - the second color
    381  * hsx      - hot-spot location offset x
    382  * hsy      - hot-spot location offset y
    383  * data     - a pointer to the bitmap data to be used for the sprite
    384  *
    385  * The organization of the data is - as always with MSDOS related
    386  * products - rather strange: The first and the second long-word
    387  * represent bitplane0 for the first 64 pixels. The following two
    388  * long-words represent bitplane1 for the first 64 pixels. But
    389  * the long-words are organized in Intel-fashion, beginning with
    390  * the least significant byte, ending with the most significant
    391  * one. The most significant bit of each byte is the leftmost,
    392  * as one would expect it. Now the weird color-assignments:
    393  *
    394  * bitplane0 bitplane1       result
    395  *     0         0            col2
    396  *     0         1            col1
    397  *     1         0          transparent
    398  *     1         1     background-color XOR 0xff
    399  *
    400  * The size of the data has to be 64*64*2/8 = 1024 byte,
    401  * obviously, the size of the sprite is 64x64 pixels.
    402  */
    403 
    404 
    405 	void RZ3DisableHWC (void);
    406 
    407 /* simply disables the hardware-cursor sprite */
    408 
    409 	void RZ3SetHWCloc (unsigned short x, unsigned short y);
    410 
    411 /*
    412  * sets the location of the hardwar-cursor sprite to x,y
    413  * relative to the logical screen beginning.
    414  * IMPORTANT: If you use RZ3SetHWCloc() to set the position
    415  * of the hardware-cursor sprite, all necessary panning is
    416  * done automatically - you can treat the display without
    417  * even knowing about the physical screen size that is
    418  * displayed.
    419  */
    420 
    421 #endif
    422 
    423 #endif /* RZ3_BSD_h */
    424 
    425 
    426 /* -------------- START OF CODE -------------- */
    427 
    428 /* read VGA register */
    429 #define vgar(ba, reg) (*(((volatile unsigned char *)ba)+reg))
    430 
    431 /* write VGA register */
    432 #define vgaw(ba, reg, val) \
    433 	*(((volatile unsigned char *)ba)+reg) = val
    434 
    435 /*
    436  * defines for the used register addresses (mw)
    437  *
    438  * NOTE: there are some registers that have different addresses when
    439  *       in mono or color mode. We only support color mode, and thus
    440  *       some addresses won't work in mono-mode!
    441  */
    442 
    443 /* General Registers: */
    444 #define GREG_STATUS0_R		0x03C2
    445 #define GREG_STATUS1_R		0x03DA
    446 #define GREG_MISC_OUTPUT_R	0x03CC
    447 #define GREG_MISC_OUTPUT_W	0x03C2
    448 #define GREG_FEATURE_CONTROL_R	0x03CA
    449 #define GREG_FEATURE_CONTROL_W	0x03DA
    450 #define GREG_POS		0x0102
    451 
    452 /* Attribute Controller: */
    453 #define ACT_ADDRESS		0x03C0
    454 #define ACT_ADDRESS_R		0x03C0
    455 #define ACT_ADDRESS_W		0x03C0
    456 #define ACT_ADDRESS_RESET	0x03DA
    457 #define ACT_ID_PALETTE0		0x00
    458 #define ACT_ID_PALETTE1		0x01
    459 #define ACT_ID_PALETTE2		0x02
    460 #define ACT_ID_PALETTE3		0x03
    461 #define ACT_ID_PALETTE4		0x04
    462 #define ACT_ID_PALETTE5		0x05
    463 #define ACT_ID_PALETTE6		0x06
    464 #define ACT_ID_PALETTE7		0x07
    465 #define ACT_ID_PALETTE8		0x08
    466 #define ACT_ID_PALETTE9		0x09
    467 #define ACT_ID_PALETTE10	0x0A
    468 #define ACT_ID_PALETTE11	0x0B
    469 #define ACT_ID_PALETTE12	0x0C
    470 #define ACT_ID_PALETTE13	0x0D
    471 #define ACT_ID_PALETTE14	0x0E
    472 #define ACT_ID_PALETTE15	0x0F
    473 #define ACT_ID_ATTR_MODE_CNTL	0x10
    474 #define ACT_ID_OVERSCAN_COLOR	0x11
    475 #define ACT_ID_COLOR_PLANE_ENA	0x12
    476 #define ACT_ID_HOR_PEL_PANNING	0x13
    477 #define ACT_ID_COLOR_SELECT	0x14
    478 
    479 /* Graphics Controller: */
    480 #define GCT_ADDRESS		0x03CE
    481 #define GCT_ADDRESS_R		0x03CE
    482 #define GCT_ADDRESS_W		0x03CF
    483 #define GCT_ID_SET_RESET	0x00
    484 #define GCT_ID_ENABLE_SET_RESET	0x01
    485 #define GCT_ID_COLOR_COMPARE	0x02
    486 #define GCT_ID_DATA_ROTATE	0x03
    487 #define GCT_ID_READ_MAP_SELECT	0x04
    488 #define GCT_ID_GRAPHICS_MODE	0x05
    489 #define GCT_ID_MISC		0x06
    490 #define GCT_ID_COLOR_XCARE	0x07
    491 #define GCT_ID_BITMASK		0x08
    492 
    493 /* Sequencer: */
    494 #define SEQ_ADDRESS		0x03C4
    495 #define SEQ_ADDRESS_R		0x03C4
    496 #define SEQ_ADDRESS_W		0x03C5
    497 #define SEQ_ID_RESET		0x00
    498 #define SEQ_ID_CLOCKING_MODE	0x01
    499 #define SEQ_ID_MAP_MASK		0x02
    500 #define SEQ_ID_CHAR_MAP_SELECT	0x03
    501 #define SEQ_ID_MEMORY_MODE	0x04
    502 #define SEQ_ID_EXTENDED_ENABLE	0x05	/* down from here, all seq registers are NCR extensions */
    503 #define SEQ_ID_UNKNOWN1         0x06
    504 #define SEQ_ID_UNKNOWN2         0x07
    505 #define SEQ_ID_CHIP_ID		0x08
    506 #define SEQ_ID_UNKNOWN3         0x09
    507 #define SEQ_ID_CURSOR_COLOR1	0x0A
    508 #define SEQ_ID_CURSOR_COLOR0	0x0B
    509 #define SEQ_ID_CURSOR_CONTROL	0x0C
    510 #define SEQ_ID_CURSOR_X_LOC_HI	0x0D
    511 #define SEQ_ID_CURSOR_X_LOC_LO	0x0E
    512 #define SEQ_ID_CURSOR_Y_LOC_HI	0x0F
    513 #define SEQ_ID_CURSOR_Y_LOC_LO	0x10
    514 #define SEQ_ID_CURSOR_X_INDEX	0x11
    515 #define SEQ_ID_CURSOR_Y_INDEX	0x12
    516 #define SEQ_ID_CURSOR_STORE_HI	0x13	/* manual still wrong here.. argl! */
    517 #define SEQ_ID_CURSOR_STORE_LO	0x14	/* downto 0x16 */
    518 #define SEQ_ID_CURSOR_ST_OFF_HI	0x15
    519 #define SEQ_ID_CURSOR_ST_OFF_LO	0x16
    520 #define SEQ_ID_CURSOR_PIXELMASK	0x17
    521 #define SEQ_ID_PRIM_HOST_OFF_HI	0x18
    522 #define SEQ_ID_PRIM_HOST_OFF_LO	0x19
    523 #define SEQ_ID_LINEAR_0		0x1A
    524 #define SEQ_ID_LINEAR_1		0x1B
    525 #define SEQ_ID_SEC_HOST_OFF_HI	0x1C
    526 #define SEQ_ID_SEC_HOST_OFF_LO	0x1D
    527 #define SEQ_ID_EXTENDED_MEM_ENA	0x1E
    528 #define SEQ_ID_EXT_CLOCK_MODE	0x1F
    529 #define SEQ_ID_EXT_VIDEO_ADDR	0x20
    530 #define SEQ_ID_EXT_PIXEL_CNTL	0x21
    531 #define SEQ_ID_BUS_WIDTH_FEEDB	0x22
    532 #define SEQ_ID_PERF_SELECT	0x23
    533 #define SEQ_ID_COLOR_EXP_WFG	0x24
    534 #define SEQ_ID_COLOR_EXP_WBG	0x25
    535 #define SEQ_ID_EXT_RW_CONTROL	0x26
    536 #define SEQ_ID_MISC_FEATURE_SEL	0x27
    537 #define SEQ_ID_COLOR_KEY_CNTL	0x28
    538 #define SEQ_ID_COLOR_KEY_MATCH0	0x29
    539 #define SEQ_ID_COLOR_KEY_MATCH1 0x2A
    540 #define SEQ_ID_COLOR_KEY_MATCH2 0x2B
    541 #define SEQ_ID_UNKNOWN6         0x2C
    542 #define SEQ_ID_CRC_CONTROL	0x2D
    543 #define SEQ_ID_CRC_DATA_LOW	0x2E
    544 #define SEQ_ID_CRC_DATA_HIGH	0x2F
    545 #define SEQ_ID_MEMORY_MAP_CNTL	0x30
    546 #define SEQ_ID_ACM_APERTURE_1	0x31
    547 #define SEQ_ID_ACM_APERTURE_2	0x32
    548 #define SEQ_ID_ACM_APERTURE_3	0x33
    549 #define SEQ_ID_BIOS_UTILITY_0	0x3e
    550 #define SEQ_ID_BIOS_UTILITY_1	0x3f
    551 
    552 /* CRT Controller: */
    553 #define CRT_ADDRESS		0x03D4
    554 #define CRT_ADDRESS_R		0x03D5
    555 #define CRT_ADDRESS_W		0x03D5
    556 #define CRT_ID_HOR_TOTAL	0x00
    557 #define CRT_ID_HOR_DISP_ENA_END	0x01
    558 #define CRT_ID_START_HOR_BLANK	0x02
    559 #define CRT_ID_END_HOR_BLANK	0x03
    560 #define CRT_ID_START_HOR_RETR	0x04
    561 #define CRT_ID_END_HOR_RETR	0x05
    562 #define CRT_ID_VER_TOTAL	0x06
    563 #define CRT_ID_OVERFLOW		0x07
    564 #define CRT_ID_PRESET_ROW_SCAN	0x08
    565 #define CRT_ID_MAX_SCAN_LINE	0x09
    566 #define CRT_ID_CURSOR_START	0x0A
    567 #define CRT_ID_CURSOR_END	0x0B
    568 #define CRT_ID_START_ADDR_HIGH	0x0C
    569 #define CRT_ID_START_ADDR_LOW	0x0D
    570 #define CRT_ID_CURSOR_LOC_HIGH	0x0E
    571 #define CRT_ID_CURSOR_LOC_LOW	0x0F
    572 #define CRT_ID_START_VER_RETR	0x10
    573 #define CRT_ID_END_VER_RETR	0x11
    574 #define CRT_ID_VER_DISP_ENA_END	0x12
    575 #define CRT_ID_OFFSET		0x13
    576 #define CRT_ID_UNDERLINE_LOC	0x14
    577 #define CRT_ID_START_VER_BLANK	0x15
    578 #define CRT_ID_END_VER_BLANK	0x16
    579 #define CRT_ID_MODE_CONTROL	0x17
    580 #define CRT_ID_LINE_COMPARE	0x18
    581 #define CRT_ID_UNKNOWN1         0x19	/* are these register really void ? */
    582 #define CRT_ID_UNKNOWN2         0x1A
    583 #define CRT_ID_UNKNOWN3         0x1B
    584 #define CRT_ID_UNKNOWN4         0x1C
    585 #define CRT_ID_UNKNOWN5         0x1D
    586 #define CRT_ID_UNKNOWN6         0x1E
    587 #define CRT_ID_UNKNOWN7         0x1F
    588 #define CRT_ID_UNKNOWN8         0x20
    589 #define CRT_ID_UNKNOWN9         0x21
    590 #define CRT_ID_UNKNOWN10      	0x22
    591 #define CRT_ID_UNKNOWN11      	0x23
    592 #define CRT_ID_UNKNOWN12      	0x24
    593 #define CRT_ID_UNKNOWN13      	0x25
    594 #define CRT_ID_UNKNOWN14      	0x26
    595 #define CRT_ID_UNKNOWN15      	0x27
    596 #define CRT_ID_UNKNOWN16      	0x28
    597 #define CRT_ID_UNKNOWN17      	0x29
    598 #define CRT_ID_UNKNOWN18      	0x2A
    599 #define CRT_ID_UNKNOWN19      	0x2B
    600 #define CRT_ID_UNKNOWN20      	0x2C
    601 #define CRT_ID_UNKNOWN21      	0x2D
    602 #define CRT_ID_UNKNOWN22      	0x2E
    603 #define CRT_ID_UNKNOWN23      	0x2F
    604 #define CRT_ID_EXT_HOR_TIMING1	0x30	/* down from here, all crt registers are NCR extensions */
    605 #define CRT_ID_EXT_START_ADDR	0x31
    606 #define CRT_ID_EXT_HOR_TIMING2	0x32
    607 #define CRT_ID_EXT_VER_TIMING	0x33
    608 #define CRT_ID_MONITOR_POWER	0x34
    609 
    610 /* PLL chip  (clock frequency synthesizer) I'm guessing here... */
    611 #define PLL_ADDRESS		0x83c8
    612 #define PLL_ADDRESS_W		0x83c9
    613 
    614 
    615 /* Video DAC */
    616 #define VDAC_ADDRESS		0x03c8
    617 #define VDAC_ADDRESS_W		0x03c8
    618 #define VDAC_ADDRESS_R		0x03c7
    619 #define VDAC_STATE		0x03c7
    620 #define VDAC_DATA		0x03c9
    621 #define VDAC_MASK		0x03c6
    622 
    623 
    624 /* Accelerator Control Menu (memory mapped registers, includes blitter) */
    625 #define ACM_PRIMARY_OFFSET	0x00
    626 #define ACM_SECONDARY_OFFSET	0x04
    627 #define ACM_MODE_CONTROL	0x08
    628 #define ACM_CURSOR_POSITION	0x0c
    629 #define ACM_START_STATUS	0x30
    630 #define ACM_CONTROL		0x34
    631 #define ACM_RASTEROP_ROTATION	0x38
    632 #define ACM_BITMAP_DIMENSION	0x3c
    633 #define ACM_DESTINATION		0x40
    634 #define ACM_SOURCE		0x44
    635 #define ACM_PATTERN		0x48
    636 #define ACM_FOREGROUND		0x4c
    637 #define ACM_BACKGROUND		0x50
    638 
    639 
    640 #define WGfx(ba, idx, val) \
    641 	do { vgaw(ba, GCT_ADDRESS, idx); vgaw(ba, GCT_ADDRESS_W , val); } while (0)
    642 
    643 #define WSeq(ba, idx, val) \
    644 	do { vgaw(ba, SEQ_ADDRESS, idx); vgaw(ba, SEQ_ADDRESS_W , val); } while (0)
    645 
    646 #define WCrt(ba, idx, val) \
    647 	do { vgaw(ba, CRT_ADDRESS, idx); vgaw(ba, CRT_ADDRESS_W , val); } while (0)
    648 
    649 #define WAttr(ba, idx, val) \
    650 	do { vgaw(ba, ACT_ADDRESS, idx); vgaw(ba, ACT_ADDRESS_W, val); } while (0)
    651 
    652 #define Map(m) \
    653 	do { WGfx(ba, GCT_ID_READ_MAP_SELECT, m & 3 ); WSeq(ba, SEQ_ID_MAP_MASK, (1 << (m & 3))); } while (0)
    654 
    655 #define WPLL(ba, idx, val) \
    656 	do { 	vgaw(ba, PLL_ADDRESS, idx);\
    657 	vgaw(ba, PLL_ADDRESS_W, (val & 0xff));\
    658 	vgaw(ba, PLL_ADDRESS_W, (val >> 8)); } while (0)
    659 
    660 
    661 static inline unsigned char RAttr(volatile void * ba, short idx) {
    662 	vgaw (ba, ACT_ADDRESS, idx);
    663 	return vgar (ba, ACT_ADDRESS_R);
    664 }
    665 
    666 static inline unsigned char RSeq(volatile void * ba, short idx) {
    667 	vgaw (ba, SEQ_ADDRESS, idx);
    668 	return vgar (ba, SEQ_ADDRESS_R);
    669 }
    670 
    671 static inline unsigned char RCrt(volatile void * ba, short idx) {
    672 	vgaw (ba, CRT_ADDRESS, idx);
    673 	return vgar (ba, CRT_ADDRESS_R);
    674 }
    675 
    676 static inline unsigned char RGfx(volatile void * ba, short idx) {
    677 	vgaw(ba, GCT_ADDRESS, idx);
    678 	return vgar (ba, GCT_ADDRESS_R);
    679 }
    680 
    681 void RZ3DisableHWC __P((struct grf_softc *gp));
    682 void RZ3SetupHWC __P((struct grf_softc *gp, unsigned char col1, unsigned int col2, unsigned char hsx, unsigned char hsy, const long unsigned int *data));
    683 void RZ3AlphaErase __P((struct grf_softc *gp, short unsigned int xd, short unsigned int yd, short unsigned int w, short unsigned int h));
    684 void RZ3AlphaCopy __P((struct grf_softc *gp, short unsigned int xs, short unsigned int ys, short unsigned int xd, short unsigned int yd, short unsigned int w, short unsigned int h));
    685 void RZ3BitBlit __P((struct grf_softc *gp, struct grf_bitblt *gbb));
    686 void RZ3BitBlit16 __P((struct grf_softc *gp, struct grf_bitblt *gbb));
    687 void RZ3SetCursorPos __P((struct grf_softc *gp, short unsigned int pos));
    688 void RZ3LoadPalette __P((struct grf_softc *gp, unsigned char *pal, unsigned char firstcol, unsigned char colors));
    689 void RZ3SetPalette __P((struct grf_softc *gp, unsigned char colornum, unsigned char red, unsigned char green, unsigned char blue));
    690 void RZ3SetPanning __P((struct grf_softc *gp, short unsigned int xoff, short unsigned int yoff));
    691 void RZ3SetHWCloc __P((struct grf_softc *gp, short unsigned int x, short unsigned int y));
    692 int rh_mode __P((register struct grf_softc *gp, int cmd, void *arg, int a2, int a3));
    693 int rh_ioctl __P((register struct grf_softc *gp, u_long cmd, void *data));
    694 int rh_getcmap __P((struct grf_softc *gfp, struct grf_colormap *cmap));
    695 int rh_putcmap __P((struct grf_softc *gfp, struct grf_colormap *cmap));
    696 int rh_getspritepos __P((struct grf_softc *gp, struct grf_position *pos));
    697 int rh_setspritepos __P((struct grf_softc *gp, struct grf_position *pos));
    698 int rh_getspriteinfo __P((struct grf_softc *gp, struct grf_spriteinfo *info));
    699 int rh_setspriteinfo __P((struct grf_softc *gp, struct grf_spriteinfo *info));
    700 int rh_getspritemax __P((struct grf_softc *gp, struct grf_position *pos));
    701 int rh_bitblt __P((struct grf_softc *gp, struct grf_bitblt *bb));
    702 
    703 
    704 struct ite_softc;
    705 void rh_init __P((struct ite_softc *));
    706 void rh_cursor __P((struct ite_softc *, int));
    707 void rh_deinit __P((struct ite_softc *));
    708 void rh_putc __P((struct ite_softc *, int, int, int, int));
    709 void rh_clear __P((struct ite_softc *, int, int, int, int));
    710 void rh_scroll __P((struct ite_softc *, int, int, int, int));
    711 
    712 #endif /* _GRF_RHREG_H */
    713