1 /* $NetBSD: sis85c503reg.h,v 1.1 1999/11/17 01:21:21 thorpej 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 SiS 85c503 PCI-ISA bridge interrupt controller. 30 */ 31 32 #define SIS85C503_CFG_PIRQ_REGSTART 0x41 /* PCI configuration space */ 33 #define SIS85C503_CFG_PIRQ_REGEND 0x44 34 35 #define SIS85C503_LEGAL_LINK(link) ((link) >= SIS85C503_CFG_PIRQ_REGSTART && \ 36 (link) <= SIS85C503_CFG_PIRQ_REGEND) 37 38 #define SIS85C503_CFG_PIRQ_REGOFS(regofs) (((regofs) >> 2) << 2) 39 #define SIS85C503_CFG_PIRQ_SHIFT(regofs) \ 40 (((regofs) - SIS85C503_CFG_PIRQ_REGOFS(regofs)) << 3) 41 42 #define SIS85C503_CFG_PIRQ_MASK 0xff 43 #define SIS85C503_CFG_PIRQ_INTR_MASK 0x0f 44 45 #define SIS85C503_CFG_PIRQ_REG(reg, regofs) \ 46 (((reg) >> SIS85C503_CFG_PIRQ_SHIFT(regofs)) & SIS85C503_CFG_PIRQ_MASK) 47 48 #define SIS85C503_CFG_PIRQ_ROUTE_DISABLE 0x80 49 50 #define SIS85C503_PIRQ_MASK 0xdef8 51 #define SIS85C503_LEGAL_IRQ(irq) ((irq) >= 0 && (irq) <= 15 && \ 52 ((1 << (irq)) & SIS85C503_PIRQ_MASK) != 0) 53