xref: /netbsd-src/sys/dev/ic/dc503reg.h (revision 335c818591cfd60555032024aa22def6e4708cd9)
1 /*	$NetBSD: dc503reg.h,v 1.1 2023/02/11 05:59:39 tsutsui Exp $	*/
2 /*	$OpenBSD: dc503reg.h,v 1.1 2006/07/23 19:17:23 miod Exp $	*/
3 /*	NetBSD: pmreg.h,v 1.7 2005/12/11 12:18:36 christos Exp 	*/
4 
5 /*
6  * Copyright (c) 1992, 1993
7  *	The Regents of the University of California.  All rights reserved.
8  *
9  * This code is derived from software contributed to Berkeley by
10  * Ralph Campbell.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. Neither the name of the University nor the names of its contributors
21  *    may be used to endorse or promote products derived from this software
22  *    without specific prior written permission.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  *	@(#)pmreg.h	8.1 (Berkeley) 6/10/93
37  */
38 
39 /*
40  * Layout of the programmable cursor chip (DC503) registers.
41  * All registers are 16 bit wide.
42  */
43 
44 #define	PCC_CMD		0x00	/* cursor command register */
45 #define	PCCCMD_TEST	0x8000
46 #define	PCCCMD_HSHI	0x4000
47 #define	PCCCMD_VBHI	0x2000
48 #define	PCCCMD_LODSA	0x1000
49 #define	PCCCMD_FORG2	0x0800
50 #define	PCCCMD_ENRG2	0x0400
51 #define	PCCCMD_FORG1	0x0200
52 #define	PCCCMD_ENRG1	0x0100
53 #define	PCCCMD_XHWID	0x0080
54 #define	PCCCMD_XHCL1	0x0040
55 #define	PCCCMD_XHCLP	0x0020
56 #define	PCCCMD_XHAIR	0x0010
57 #define	PCCCMD_FOPB	0x0008
58 #define	PCCCMD_ENPB	0x0004
59 #define	PCCCMD_FOPA	0x0002
60 #define	PCCCMD_ENPA	0x0001
61 
62 #define	PCC_XPOS	0x04	/* cursor X position */
63 #define	PCC_YPOS	0x08	/* cursor Y position */
64 #define	PCC_XMIN_1	0x0c	/* region 1 left edge */
65 #define	PCC_XMAX_1	0x10	/* region 1 right edge */
66 #define	PCC_YMIN_1	0x14	/* region 1 top edge */
67 #define	PCC_YMAX_1	0x18	/* region 1 bottom edge */
68 #define	PCC_XMIN_2	0x1c	/* region 2 left edge */
69 #define	PCC_XMAX_2	0x20	/* region 2 right edge */
70 #define	PCC_YMIN_2	0x24	/* region 2 top edge */
71 #define	PCC_YMAX_2	0x28	/* region 2 bottom edge */
72 #define	PCC_LOAD	0x2c	/* cursor pattern load */
73 
74 struct dc503reg {
75 	volatile uint16_t	cmdr;
76 	int16_t	pad1;
77 	volatile uint16_t	xpos;
78 	int16_t	pad2;
79 	volatile uint16_t	ypos;
80 	int16_t	pad3;
81 	volatile uint16_t	xmin1;
82 	int16_t	pad4;
83 	volatile uint16_t	xmax1;
84 	int16_t	pad5;
85 	volatile uint16_t	ymin1;
86 	int16_t	pad6;
87 	volatile uint16_t	ymax1;
88 	int16_t	pad7[9];
89 	volatile uint16_t	xmin2;
90 	int16_t	pad8;
91 	volatile uint16_t	xmax2;
92 	int16_t	pad9;
93 	volatile uint16_t	ymin2;
94 	int16_t	pad10;
95 	volatile uint16_t	ymax2;
96 	int16_t	pad11;
97 	volatile uint16_t	load;
98 };
99 
100 #define	PCC_CURSOR_SIZE	16
101