1 /* $OpenBSD: opti82c558reg.h,v 1.3 2000/03/28 03:37:59 mickey Exp $ */ 2 /* $NetBSD: opti82c558reg.h,v 1.1 1999/11/17 01:21:20 thorpej Exp $ */ 3 4 /* 5 * Copyright (c) 1999, by UCHIYAMA Yasushi 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. The name of the developer may NOT be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 /* 30 * Register definitions for the Opti 82c558 PCI-ISA bridge interrupt 31 * controller. 32 */ 33 34 /* 35 * PCI IRQ Select Register 36 */ 37 38 #define VIPER_CFG_PIRQ 0x40 /* PCI configuration space */ 39 40 /* 41 * Trigger setting: 42 * 43 * [1:7]=>5,9,10,11,12,14,15 Edge = 0 Level = 1 44 */ 45 #define VIPER_CFG_TRIGGER_SHIFT 16 46 47 #define VIPER_LEGAL_LINK(link) ((link) >= 0 && (link) <= 3) 48 49 #define VIPER_PIRQ_MASK 0xde20 50 #define VIPER_LEGAL_IRQ(irq) ((irq) >= 0 && (irq) <= 15 && \ 51 ((1 << (irq)) & VIPER_PIRQ_MASK) != 0) 52 53 #define VIPER_PIRQ_NONE 0 54 #define VIPER_PIRQ_5 1 55 #define VIPER_PIRQ_9 2 56 #define VIPER_PIRQ_10 3 57 #define VIPER_PIRQ_11 4 58 #define VIPER_PIRQ_12 5 59 #define VIPER_PIRQ_14 6 60 #define VIPER_PIRQ_15 7 61 62 #define VIPER_PIRQ_SELECT_MASK 0x07 63 #define VIPER_PIRQ_SELECT_SHIFT 3 64 65 #define VIPER_PIRQ(reg, x) (((reg) >> ((x) * VIPER_PIRQ_SELECT_SHIFT)) \ 66 & VIPER_PIRQ_SELECT_MASK) 67