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grf_ulreg.h revision 1.6.26.1
      1  1.6.26.1  nathanw /*	$NetBSD: grf_ulreg.h,v 1.6.26.1 2002/02/28 04:06:42 nathanw Exp $	*/
      2       1.1   chopps 
      3       1.5       is /*-
      4       1.6       is  * Copyright (c) 1995 The NetBSD Foundation, Inc.
      5       1.1   chopps  * All rights reserved.
      6       1.1   chopps  *
      7       1.5       is  * This code is derived from software contributed to The NetBSD Foundation
      8       1.5       is  * by Ignatios Souvatzis.
      9       1.5       is  *
     10       1.1   chopps  * Redistribution and use in source and binary forms, with or without
     11       1.1   chopps  * modification, are permitted provided that the following conditions
     12       1.1   chopps  * are met:
     13       1.1   chopps  * 1. Redistributions of source code must retain the above copyright
     14       1.1   chopps  *    notice, this list of conditions and the following disclaimer.
     15       1.1   chopps  * 2. Redistributions in binary form must reproduce the above copyright
     16       1.1   chopps  *    notice, this list of conditions and the following disclaimer in the
     17       1.1   chopps  *    documentation and/or other materials provided with the distribution.
     18       1.1   chopps  * 3. All advertising materials mentioning features or use of this software
     19       1.1   chopps  *    must display the following acknowledgement:
     20       1.5       is  *        This product includes software developed by the NetBSD
     21       1.5       is  *        Foundation, Inc. and its contributors.
     22       1.5       is  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23       1.5       is  *    contributors may be used to endorse or promote products derived
     24       1.5       is  *    from this software without specific prior written permission.
     25       1.1   chopps  *
     26       1.5       is  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27       1.5       is  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28       1.5       is  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29       1.5       is  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30       1.5       is  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31       1.5       is  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32       1.5       is  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33       1.5       is  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34       1.5       is  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35       1.5       is  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36       1.5       is  * POSSIBILITY OF SUCH DAMAGE.
     37       1.1   chopps  */
     38       1.5       is 
     39       1.1   chopps /*
     40       1.1   chopps  * Registers etc. for the University of Lowell graphics board.
     41       1.1   chopps  */
     42       1.1   chopps 
     43       1.1   chopps struct gspregs {
     44       1.1   chopps 	/*
     45  1.6.26.1  nathanw 	 * alas, they didn't invert the A1 bit, so we have to write the
     46       1.1   chopps 	 * address pointer in two parts
     47       1.1   chopps 	 */
     48       1.1   chopps 	__volatile u_short hstadrl;
     49       1.1   chopps 	__volatile u_short hstadrh;
     50       1.1   chopps 	__volatile u_short data;
     51       1.1   chopps 	__volatile u_short ctrl;
     52       1.1   chopps };
     53       1.1   chopps 
     54       1.1   chopps /* Bits in ctrl */
     55       1.1   chopps #define HLT	0x8000
     56       1.1   chopps #define CF	0x4000
     57       1.1   chopps #define LBL	0x2000
     58       1.1   chopps #define INCR	0x1000
     59       1.1   chopps #define INCW	0x0800
     60       1.1   chopps #define NMIM	0x0200
     61       1.1   chopps #define NMI	0x0100
     62       1.1   chopps 
     63       1.1   chopps #define INTOUT	0x0080
     64       1.1   chopps #define MSGOUT	0x0070
     65       1.1   chopps #define INTIN	0x0008
     66       1.1   chopps #define	MSGIN	0x0007
     67       1.1   chopps 
     68       1.1   chopps /* address macros */
     69       1.1   chopps 
     70       1.3   chopps #define GSPSETHADRS(gsp,adrs)	do {	\
     71       1.3   chopps     (gsp)->hstadrh = (adrs) >> 16;	\
     72       1.3   chopps     (gsp)->hstadrl = (adrs) & 0xFFFF;	\
     73       1.3   chopps     } while (0)
     74       1.3   chopps #define GSPGETHADRS(gsp)	((gsp)->hstadrh << 16 | (gsp)->hstadrl)
     75       1.1   chopps 
     76       1.1   chopps /* Standard addresses in GSP memory */
     77       1.1   chopps 
     78       1.1   chopps #define PUT_PTR_ADRS    0xFFA20000	/* put pointer in ring buffer */
     79       1.1   chopps #define PUT_HI_PTR_ADRS 0xFFA20010	/* put pointer high word */
     80       1.1   chopps #define GET_PTR_ADRS    0xFFA20020	/* get pointer (low word) */
     81       1.1   chopps #define GSP_MODE_ADRS   0xFFA20040	/* GSP mode word */
     82       1.1   chopps 
     83       1.1   chopps /* Bits in GSP mode word */
     84       1.1   chopps #define GMODE_HOLD      1               /* hold screen */
     85       1.1   chopps #define GMODE_FLUSH     2               /* flush GSP input queue */
     86       1.1   chopps #define GMODE_ALTSCRN   4               /* use alternate screen */
     87       1.1   chopps #define GMODE_DISPCTRL  8               /* display control chars */
     88       1.1   chopps 
     89       1.1   chopps /* command words */
     90       1.1   chopps #define GCMD_CMD_MSK	0x000F
     91       1.1   chopps #define GCMD_PAR_MSK	0xFFF0
     92       1.1   chopps 
     93       1.1   chopps #define GCMD_NOP	0
     94       1.1   chopps #define GCMD_CHAR	1	/* char, fg, bg, x, y */
     95       1.1   chopps #define GCMD_FILL	2	/* fg, x, y, w, h, ppop */
     96       1.1   chopps #define GCMD_PIXBLT	3	/* x, y, w, h, dx, dy */
     97       1.1   chopps #define GCMD_FNTMIR	4	/* */
     98       1.1   chopps #define GCMD_CMAP	5	/* overlay==1, index, red, green, blue */
     99       1.1   chopps #define GCMD_MCHG	6	/* width, height, baseh, basel, pitch, depth */
    100       1.1   chopps 
    101       1.1   chopps struct grf_ul_softc {
    102       1.1   chopps 	struct grf_softc	gus_sc;
    103       1.1   chopps 	u_int8_t		gus_imcmap[768];
    104       1.1   chopps 	u_int8_t		gus_ovcmap[12];
    105       1.1   chopps 	u_int8_t		gus_ovslct;
    106       1.1   chopps 	/* realconfig stuff assumes this is last, else it would get copied: */
    107       1.1   chopps 	struct isr		gus_isr;
    108       1.1   chopps };
    109       1.1   chopps 
    110       1.1   chopps #ifdef _KERNEL
    111       1.1   chopps void gsp_write(struct gspregs *gsp, u_int16_t *data, size_t size);
    112       1.2   chopps int grful_cnprobe(void);
    113       1.2   chopps void grful_iteinit(struct grf_softc *gp);
    114       1.1   chopps #endif
    115       1.1   chopps 
    116