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cgfourteenvar.h revision 1.1 
      1 /*	$NetBSD: cgfourteenvar.h,v 1.1 1996/09/30 22:41:03 abrown Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1996
      5  *	The President and Fellows of Harvard College. 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  * 3. All advertising materials mentioning features or use of this software
     16  *    must display the following acknowledgement:
     17  *	This product includes software developed by Harvard University and
     18  *	its contributors.
     19  * 4. Neither the name of the University nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 /*
     37  * Layout of cg14 hardware colormap
     38  */
     39 union cg14cmap {
     40 	u_char  	cm_map[256][4];	/* 256 R/G/B/A entries (B is high)*/
     41 	u_int32_t   	cm_chip[256];	/* the way the chip gets loaded */
     42 };
     43 
     44 /*
     45  * cg14 hardware cursor colormap
     46  */
     47 union cg14cursor_cmap {		/* colormap, like bt_cmap, but tiny */
     48 	u_char		cm_map[2][4];	/* 2 R/G/B/A entries */
     49 	u_int32_t	cm_chip[2];	/* 2 chip equivalents */
     50 };
     51 
     52 /*
     53  * cg14 hardware cursor status
     54  */
     55 struct cg14_cursor {		/* cg14 hardware cursor status */
     56 	short	cc_enable;		/* cursor is enabled */
     57 	struct	fbcurpos cc_pos;	/* position */
     58 	struct	fbcurpos cc_hot;	/* hot-spot */
     59 	struct	fbcurpos cc_size;	/* size of mask & image fields */
     60 	u_int	cc_eplane[32];		/* enable plane */
     61 	u_int	cc_cplane[32];		/* color plane */
     62 	union	cg14cursor_cmap cc_color; /* cursor colormap */
     63 };
     64 
     65 /*
     66  * per-cg14 variables/state
     67  */
     68 struct cgfourteen_softc {
     69 	struct	device sc_dev;		/* base device */
     70 	struct	fbdevice sc_fb;		/* frame buffer device */
     71 
     72 	struct 	rom_reg	sc_phys;	/* phys address of frame buffer */
     73 #if defined(DEBUG) && defined(CG14_MAP_REGS)
     74 	struct	rom_reg	sc_regphys;	/* phys addr of fb regs; for debug */
     75 #endif
     76 	union	cg14cmap sc_cmap;	/* current colormap */
     77 
     78 	struct	cg14_cursor sc_cursor;	/* Hardware cursor state */
     79 
     80 	union 	cg14cmap sc_saveclut; 	/* a place to stash PROM state */
     81 	u_int8_t	sc_savexlut[256];
     82 	u_int8_t	sc_savectl;
     83 	u_int8_t	sc_savehwc;
     84 
     85 	struct	cg14ctl  *sc_ctl; 	/* various registers */
     86 	struct	cg14curs *sc_hwc;
     87 	struct 	cg14dac	 *sc_dac;
     88 	struct	cg14xlut *sc_xlut;
     89 	struct 	cg14clut *sc_clut1;
     90 	struct	cg14clut *sc_clut2;
     91 	struct	cg14clut *sc_clut3;
     92 	u_int	*sc_clutincr;
     93 };
     94