pi1ppcreg.h revision 1.1.18.2 1 1.1.18.2 yamt /* $NetBSD: pi1ppcreg.h,v 1.1.18.2 2006/06/21 14:55:30 yamt Exp $ */
2 1.1.18.2 yamt
3 1.1.18.2 yamt /*-
4 1.1.18.2 yamt * Copyright (c) 2001 Alcove - Nicolas Souchu
5 1.1.18.2 yamt * Copyright (c) 2005 Joe Britt <britt (at) danger.com> - SGI PI1 version
6 1.1.18.2 yamt * All rights reserved.
7 1.1.18.2 yamt *
8 1.1.18.2 yamt * Redistribution and use in source and binary forms, with or without
9 1.1.18.2 yamt * modification, are permitted provided that the following conditions
10 1.1.18.2 yamt * are met:
11 1.1.18.2 yamt * 1. Redistributions of source code must retain the above copyright
12 1.1.18.2 yamt * notice, this list of conditions and the following disclaimer.
13 1.1.18.2 yamt * 2. Redistributions in binary form must reproduce the above copyright
14 1.1.18.2 yamt * notice, this list of conditions and the following disclaimer in the
15 1.1.18.2 yamt * documentation and/or other materials provided with the distribution.
16 1.1.18.2 yamt *
17 1.1.18.2 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 1.1.18.2 yamt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 1.1.18.2 yamt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 1.1.18.2 yamt * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 1.1.18.2 yamt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 1.1.18.2 yamt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 1.1.18.2 yamt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 1.1.18.2 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 1.1.18.2 yamt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 1.1.18.2 yamt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 1.1.18.2 yamt * SUCH DAMAGE.
28 1.1.18.2 yamt *
29 1.1.18.2 yamt * FreeBSD: src/sys/isa/ppcreg.h,v 1.10.2.4 2001/10/02 05:21:45 nsouch Exp
30 1.1.18.2 yamt *
31 1.1.18.2 yamt */
32 1.1.18.2 yamt
33 1.1.18.2 yamt #ifndef __PI1PPCREG_H
34 1.1.18.2 yamt #define __PI1PPCREG_H
35 1.1.18.2 yamt
36 1.1.18.2 yamt /* see iocreg.h for data/ctl/status reg offsets */
37 1.1.18.2 yamt
38 1.1.18.2 yamt /* SPP mode control register bit positions. */
39 1.1.18.2 yamt #define STROBE 0x01
40 1.1.18.2 yamt #define AUTOFEED 0x02
41 1.1.18.2 yamt #define nINIT 0x04
42 1.1.18.2 yamt #define SELECTIN 0x08
43 1.1.18.2 yamt
44 1.1.18.2 yamt /* we emulate this bit */
45 1.1.18.2 yamt #define IRQENABLE 0x10
46 1.1.18.2 yamt
47 1.1.18.2 yamt /* data dir in PS/2 mode */
48 1.1.18.2 yamt #define PCD 0x20
49 1.1.18.2 yamt
50 1.1.18.2 yamt /* SPP status register bit positions. */
51 1.1.18.2 yamt /* #define TIMEOUT 0x01 */
52 1.1.18.2 yamt
53 1.1.18.2 yamt #define nFAULT 0x08
54 1.1.18.2 yamt #define SELECT 0x10
55 1.1.18.2 yamt #define PERROR 0x20
56 1.1.18.2 yamt #define nACK 0x40
57 1.1.18.2 yamt #define nBUSY 0x80
58 1.1.18.2 yamt
59 1.1.18.2 yamt /* Flags indicating ready condition */
60 1.1.18.2 yamt #define SPP_READY (SELECT | nFAULT | nBUSY)
61 1.1.18.2 yamt #define SPP_MASK (SELECT | nFAULT | PERROR | nBUSY)
62 1.1.18.2 yamt
63 1.1.18.2 yamt /* Byte mode signals */
64 1.1.18.2 yamt #define HOSTCLK STROBE
65 1.1.18.2 yamt #define HOSTBUSY AUTOFEED
66 1.1.18.2 yamt #define ACTIVE1284 SELECTIN
67 1.1.18.2 yamt #define PTRCLK nACK
68 1.1.18.2 yamt #define PTRBUSY nBUSY
69 1.1.18.2 yamt #define ACKDATAREQ PERROR
70 1.1.18.2 yamt #define XFLAG SELECT
71 1.1.18.2 yamt #define nDATAVAIL nFAULT
72 1.1.18.2 yamt
73 1.1.18.2 yamt /* interrupt mask & status bit positions */
74 1.1.18.2 yamt
75 1.1.18.2 yamt /* these interrupts are asserted on rising AND falling edges */
76 1.1.18.2 yamt #define PI1_PLP_PERROR_INTR 0x80
77 1.1.18.2 yamt #define PI1_PLP_FAULT_INTR 0x40
78 1.1.18.2 yamt #define PI1_PLP_SELECT_INTR 0x20
79 1.1.18.2 yamt
80 1.1.18.2 yamt /* this interupt is only asserted on rising edge */
81 1.1.18.2 yamt #define PI1_PLP_ACK_INTR 0x04
82 1.1.18.2 yamt
83 1.1.18.2 yamt #endif /* __PI1PPCREG_H */
84