1 /*        $NetBSD: via82c586reg.h,v 1.3 2006/06/18 09:55:11 xtraeme 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