1/*	$NetBSD: via82c586reg.h,v 1.2 2000/04/22 15:00:41 uch Exp $	*/
2
3/*
4 * Copyright (c) 1999, by UCHIYAMA Yasushi
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. The name of the developer may NOT be used to endorse or promote products
13 *    derived from this software without specific prior written permission.
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 * Register definitions for the VIA 82c586 PCI-ISA bridge interrupt controller.
30 */
31
32#define	VP3_CFG_PIRQ_REG		0x54	/* PCI configuration space */
33#define	VP3_CFG_KBDMISCCTRL12_REG	0x44
34#define	VP3_CFG_IDEMISCCTRL3_REG	0x48
35
36#define	VP3_CFG_MISCCTRL2_SHIFT		24
37#define	VP3_CFG_MISCCTRL2_MASK		0x0f
38#define	VP3_CFG_MISCCTRL2_EISA4D04D1PORT_ENABLE 0x20
39#define	VP3_CFG_MISCCTRL2_REG(reg)					\
40	(((reg) >> VP3_CFG_MISCCTRL2_SHIFT) & VP3_CFG_MISCCTRL2_MASK)
41
42#define	VP3_CFG_TRIGGER_LEVEL		0
43#define	VP3_CFG_TRIGGER_EDGE		1
44
45#define	VP3_CFG_TRIGGER_MASK		0x01
46#define	VP3_CFG_TRIGGER_SHIFT_PIRQA	3
47#define	VP3_CFG_TRIGGER_SHIFT_PIRQB	2
48#define	VP3_CFG_TRIGGER_SHIFT_PIRQC	1
49#define	VP3_CFG_TRIGGER_SHIFT_PIRQD	0
50
51#define	VP3_CFG_INTR_MASK		0x0f
52#define	VP3_PIRQ_MASK			0xdefa
53
54#define	VP3_CFG_INTR_SHIFT_PIRQA	0x14
55#define	VP3_CFG_INTR_SHIFT_PIRQB	0x10
56#define	VP3_CFG_INTR_SHIFT_PIRQC	0x1c
57#define	VP3_CFG_INTR_SHIFT_PIRQD	0x0c
58#define	VP3_CFG_INTR_SHIFT_PIRQ0	0x10
59#define	VP3_CFG_INTR_SHIFT_PIRQ1	0x08
60#define	VP3_CFG_INTR_SHIFT_PIRQ2	0x00
61
62#define	VP3_PIRQ_NONE			0
63#define	VP3_LEGAL_LINK(link)		((link) >= 0 && (link) <= 6)
64#define	VP3_LEGAL_IRQ(irq)		((irq) >= 0 && (irq) <= 15 &&	\
65					 ((1 << (irq)) & VP3_PIRQ_MASK) != 0)
66