1 /* $NetBSD: opti82c700reg.h,v 1.2 2000/07/18 11:07:21 soda 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 Opti 82c700 PCI-ISA bridge interrupt 30 * controller. 31 */ 32 33 #define FIRESTAR_CFG_INTR_IRQ 0xb0 /* PCI configuration space */ 34 #define FIRESTAR_CFG_INTR_PIRQ 0xb8 /* PCI configuration space */ 35 36 #define FIRESTAR_PIRQ_NONE 0 37 #define FIRESTAR_PIRQ_MASK 0xdffa 38 #define FIRESTAR_LEGAL_IRQ(irq) ((irq) >= 0 && (irq) <= 15 && \ 39 ((1 << (irq)) & FIRESTAR_PIRQ_MASK) != 0) 40 41 #define FIRESTAR_CFG_PIRQ_MASK 0x0f 42 43 #define FIRESTAR_TRIGGER_MASK 0x01 44 #define FIRESTAR_TRIGGER_SHIFT 4 45 46 /* 47 * Opti's suggested Link values. 48 */ 49 #define FIRESTAR_PIR_REGOFS_MASK 0x07 50 #define FIRESTAR_PIR_REGOFS_SHIFT 4 51 #define FIRESTAR_PIR_REGOFS(link) \ 52 (((link) >> FIRESTAR_PIR_REGOFS_SHIFT) & FIRESTAR_PIR_REGOFS_MASK) 53 54 #define FIRESTAR_PIR_SELECTSRC_MASK 0x07 55 #define FIRESTAR_PIR_SELECTSRC_SHIFT 0 56 #define FIRESTAR_PIR_SELECTSRC(link) \ 57 (((link) >> FIRESTAR_PIR_SELECTSRC_SHIFT) & FIRESTAR_PIR_SELECTSRC_MASK) 58 59 #define FIRESTAR_PIR_SELECT_NONE 0 60 #define FIRESTAR_PIR_SELECT_IRQ 1 61 #define FIRESTAR_PIR_SELECT_PIRQ 2 62 #define FIRESTAR_PIR_SELECT_BRIDGE 3 63 64 #define FIRESTAR_PIR_MAKELINK(src, ofs) \ 65 (((src) << FIRESTAR_PIR_SELECTSRC_SHIFT) | \ 66 ((ofs) << FIRESTAR_PIR_REGOFS_SHIFT)) 67