1 /* $NetBSD: vrc4172gpioreg.h,v 1.1 2000/11/11 04:42:08 sato Exp $ */
4 * Copyright (c) 2000 SATO Kazumi. All rights reserved.
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7 * modification, are permitted provided that the following conditions
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11 * 2. Redistributions in binary form must reproduce the above copyright
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13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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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
29 * Vrc4172 GPIO (General Purpose I/O) Unit Registers.
31 #define VRC2_EXGPREG_MAX 0x4a
32 #define VRC2_EXGP_NPORTS 24
33 #define VRC2_EXGP_OFFSET 0x40
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
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) */
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) */
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