1 /* $OpenBSD: opti82c700reg.h,v 1.4 2000/08/08 19:12:47 mickey Exp $ */ 2 /* $NetBSD: opti82c700reg.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 82c700 PCI-ISA bridge interrupt 31 * controller. 32 */ 33 34 #define FIRESTAR_CFG_INTR_IRQ 0xb0 /* PCI configuration space */ 35 #define FIRESTAR_CFG_INTR_PIRQ 0xb8 /* PCI configuration space */ 36 37 #define FIRESTAR_PIRQ_NONE 0 38 #define FIRESTAR_PIRQ_MASK 0xdffa 39 #define FIRESTAR_LEGAL_IRQ(irq) ((irq) >= 0 && (irq) <= 15 && \ 40 ((1 << (irq)) & FIRESTAR_PIRQ_MASK) != 0) 41 42 #define FIRESTAR_CFG_PIRQ_MASK 0x0f 43 44 #define FIRESTAR_TRIGGER_MASK 0x01 45 #define FIRESTAR_TRIGGER_SHIFT 4 46 47 /* 48 * Opti's suggested Link values. 49 */ 50 #define FIRESTAR_PIR_REGOFS_MASK 0x07 51 #define FIRESTAR_PIR_REGOFS_SHIFT 4 52 #define FIRESTAR_PIR_REGOFS(link) \ 53 (((link) >> FIRESTAR_PIR_REGOFS_SHIFT) & FIRESTAR_PIR_REGOFS_MASK) 54 55 #define FIRESTAR_PIR_SELECTSRC_MASK 0x07 56 #define FIRESTAR_PIR_SELECTSRC_SHIFT 0 57 #define FIRESTAR_PIR_SELECTSRC(link) \ 58 (((link) >> FIRESTAR_PIR_SELECTSRC_SHIFT) & FIRESTAR_PIR_SELECTSRC_MASK) 59 60 #define FIRESTAR_PIR_SELECT_NONE 0 61 #define FIRESTAR_PIR_SELECT_IRQ 1 62 #define FIRESTAR_PIR_SELECT_PIRQ 2 63 #define FIRESTAR_PIR_SELECT_BRIDGE 3 64 65 #define FIRESTAR_PIR_MAKELINK(src, ofs) \ 66 (((src) << FIRESTAR_PIR_SELECTSRC_SHIFT) | \ 67 ((ofs) << FIRESTAR_PIR_REGOFS_SHIFT)) 68