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      1 /*	$NetBSD: pfourreg.h,v 1.4 2008/04/28 20:23:58 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Copyright (c) 1995 Theo de Raadt
     34  * All rights reserved.
     35  *
     36  * Redistribution and use in source and binary forms, with or without
     37  * modification, are permitted provided that the following conditions
     38  * are met:
     39  * 1. Redistributions of source code must retain the above copyright
     40  *    notice, this list of conditions and the following disclaimer.
     41  * 2. Redistributions in binary form must reproduce the above copyright
     42  *    notice, this list of conditions and the following disclaimer in the
     43  *    documentation and/or other materials provided with the distribution.
     44  *
     45  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     46  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     47  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     48  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     49  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     50  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     51  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     52  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     53  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     54  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     55  */
     56 
     57 /*
     58  * pfour framebuffer registers.
     59  */
     60 
     61 /* Offset of bwtwo framebuffer from pfour register */
     62 #define PFOUR_BW_OFF		0x00100000
     63 
     64 /* Offsets for color framebuffers */
     65 #define PFOUR_COLOR_OFF_OVERLAY	0x00100000
     66 #define PFOUR_COLOR_OFF_ENABLE	0x00300000
     67 #define PFOUR_COLOR_OFF_COLOR	0x00500000
     68 #define PFOUR_COLOR_OFF_END	0x00700000
     69 #define PFOUR_COLOR_OFF_CMAP	0xfff00000	/* (-0x00100000) */
     70 
     71 #define PFOUR_REG_DIAG		0x80
     72 #define PFOUR_REG_READBACKCLR	0x40
     73 #define PFOUR_REG_VIDEO		0x20
     74 #define PFOUR_REG_SYNC		0x10
     75 #define PFOUR_REG_VTRACE	0x08
     76 #define PFOUR_REG_INT		0x04
     77 #define PFOUR_REG_INTCLR	0x04
     78 #define PFOUR_REG_INTEN		0x02
     79 #define PFOUR_REG_FIRSTHALF	0x01
     80 #define PFOUR_REG_RESET		0x01
     81 
     82 #define PFOUR_FBTYPE_MASK	0x7f000000
     83 #define	PFOUR_FBTYPE(x)		((x) >> 24)
     84 
     85 #define	PFOUR_ID_MASK		0xf0
     86 #define PFOUR_ID(x)		(PFOUR_FBTYPE((x)) == PFOUR_ID_COLOR24 ? \
     87 				    PFOUR_ID_COLOR24 : \
     88 				    PFOUR_FBTYPE((x)) & PFOUR_ID_MASK)
     89 #define PFOUR_ID_BW		0x00	/* monochrome */
     90 #define PFOUR_ID_FASTCOLOR	0x60	/* accelerated 8-bit color */
     91 #define PFOUR_ID_COLOR8P1	0x40	/* 8-bit color + overlay */
     92 #define PFOUR_ID_COLOR24	0x45	/* 24-bit color + overlay */
     93 
     94 #define PFOUR_SIZE_MASK		0x0f
     95 #define PFOUR_SIZE(x)		(PFOUR_FBTYPE((x)) & PFOUR_SIZE_MASK)
     96 #define PFOUR_SIZE_1152X900	0x01
     97 #define PFOUR_SIZE_1024X1024	0x02
     98 #define PFOUR_SIZE_1280X1024	0x03
     99 #define PFOUR_SIZE_1600X1280	0x00
    100 #define PFOUR_SIZE_1440X1440	0x04
    101 #define PFOUR_SIZE_640X480	0x05
    102 
    103 #define PFOUR_NOTPFOUR		-1
    104