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/* $OpenBSD: via82c586reg.h,v 1.5 2001/06/08 03:18:04 mickey Exp $ */
/* $NetBSD: via82c586reg.h,v 1.2 2000/04/22 15:00:41 uch Exp $ */
/*
* Copyright (c) 1999, by UCHIYAMA Yasushi
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. The name of the developer may NOT be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* Register definitions for the VIA 82c586 PCI-ISA bridge interrupt controller.
*/
#define VP3_CFG_PIRQ_REG 0x54 /* PCI configuration space */
#define VP3_CFG_KBDMISCCTRL12_REG 0x44
#define VP3_CFG_IDEMISCCTRL3_REG 0x48
#define VP3_CFG_MISCCTRL2_SHIFT 24
#define VP3_CFG_MISCCTRL2_MASK 0x0f
#define VP3_CFG_MISCCTRL2_EISA4D04D1PORT_ENABLE 0x20
#define VP3_CFG_MISCCTRL2_REG(reg) \
(((reg) >> VP3_CFG_MISCCTRL2_SHIFT) & VP3_CFG_MISCCTRL2_MASK)
#define VP3_CFG_TRIGGER_LEVEL 0
#define VP3_CFG_TRIGGER_EDGE 1
#define VP3_CFG_TRIGGER_MASK 0x01
#define VP3_CFG_TRIGGER_SHIFT_PIRQA 3
#define VP3_CFG_TRIGGER_SHIFT_PIRQB 2
#define VP3_CFG_TRIGGER_SHIFT_PIRQC 1
#define VP3_CFG_TRIGGER_SHIFT_PIRQD 0
#define VP3_CFG_INTR_MASK 0x0f
#define VP3_PIRQ_MASK 0xdefa
#define VP3_CFG_INTR_SHIFT_PIRQA 0x14
#define VP3_CFG_INTR_SHIFT_PIRQB 0x10
#define VP3_CFG_INTR_SHIFT_PIRQC 0x1c
#define VP3_CFG_INTR_SHIFT_PIRQD 0x0c
#define VP3_CFG_INTR_SHIFT_PIRQ0 0x10
#define VP3_CFG_INTR_SHIFT_PIRQ1 0x08
#define VP3_CFG_INTR_SHIFT_PIRQ2 0x00
#define VP3_PIRQ_NONE 0
#define VP3_LEGAL_LINK(link) ((link) >= 0 && (link) <= 6)
#define VP3_LEGAL_IRQ(irq) ((irq) >= 0 && (irq) <= 15 && \
((1 << (irq)) & VP3_PIRQ_MASK) != 0)
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