1 /* $NetBSD: vrc4172gpioreg.h,v 1.2 2001/05/06 14:25:16 takemura Exp $ */ 2 3 /* 4 * Copyright (c) 2000 SATO Kazumi. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions, and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 /* 29 * Vrc4172 GPIO (General Purpose I/O) Unit Registers. 30 */ 31 #define VRC2_EXGPREG_MAX 0x4a 32 #define VRC2_EXGP_NPORTS 24 33 #define VRC2_EXGP_OFFSET 0x40 34 35 #define VRC2_EXGPDATA VRC2_EXGPDATA0 36 #define VRC2_EXGPDIR VRC2_EXGPDIR0 37 #define VRC2_EXGPINTEN VRC2_EXGPINTEN0 38 #define VRC2_EXGPINTST VRC2_EXGPINTST0 39 #define VRC2_EXGPINTTYP VRC2_EXGPINTTYP0 40 41 #define VRC2_EXGPDATA0 0x00 /* I/O data (0..15) */ 42 #define VRC2_EXGPDIR0 0x02 /* direction (0..15) */ 43 #define VRC2_EXGPINTEN0 0x04 /* interrupt enable (0..15) */ 44 #define VRC2_EXGPINTST0 0x06 /* interrupt status (0..15) */ 45 #define VRC2_EXGPINTTYP0 0x08 /* interrupt type (0..15) */ 46 #define VRC2_EXGPINTLV0L 0x0a /* interrupt level low (0..15) */ 47 #define VRC2_EXGPINTLV0H 0x0c /* interrupt level high (0..15) */ 48 49 #define VRC2_EXGPDATA1 0x40 /* I/O data (16..23) */ 50 #define VRC2_EXGPDIR1 0x42 /* direction (16..23) */ 51 #define VRC2_EXGPINTEN1 0x44 /* interrupt enable (16..23) */ 52 #define VRC2_EXGPINTST1 0x46 /* interrupt status (16..23) */ 53 #define VRC2_EXGPINTTYP1 0x48 /* interrupt type (16..23) */ 54 #define VRC2_EXGPINTLV1L 0x4a /* interrupt level low (16..23) */ 55 56 #define VRC2_EXGPINTTYP_EDGE 1 57 #define VRC2_EXGPINTTYP_LEVEL 0 58 #define VRC2_EXGPINTAL_HIGH 1 59 #define VRC2_EXGPINTAL_LOW 0 60 #define VRC2_EXGPINTHT_HOLD 1 61 #define VRC2_EXGPINTHT_THROUGH 0 62 63 /* end */ 64