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Annotation of sys/arch/i386/pci/sis85c503reg.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: sis85c503reg.h,v 1.3 2000/03/28 03:38:00 mickey Exp $ */
                      2: /*     $NetBSD: sis85c503reg.h,v 1.1 1999/11/17 01:21:21 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 SiS 85c503 PCI-ISA bridge interrupt controller.
                     31:  */
                     32:
                     33: #define        SIS85C503_CFG_PIRQ_REGSTART     0x41    /* PCI configuration space */
                     34: #define        SIS85C503_CFG_PIRQ_REGEND       0x44
                     35:
                     36: #define        SIS85C503_LEGAL_LINK(link) ((link) >= SIS85C503_CFG_PIRQ_REGSTART && \
                     37:                                    (link) <= SIS85C503_CFG_PIRQ_REGEND)
                     38:
                     39: #define        SIS85C503_CFG_PIRQ_REGOFS(regofs) (((regofs) >> 2) << 2)
                     40: #define        SIS85C503_CFG_PIRQ_SHIFT(regofs)                                \
                     41:        (((regofs) - SIS85C503_CFG_PIRQ_REGOFS(regofs)) << 3)
                     42:
                     43: #define        SIS85C503_CFG_PIRQ_MASK         0xff
                     44: #define        SIS85C503_CFG_PIRQ_INTR_MASK    0x0f
                     45:
                     46: #define        SIS85C503_CFG_PIRQ_REG(reg, regofs)                             \
                     47:        (((reg) >> SIS85C503_CFG_PIRQ_SHIFT(regofs)) & SIS85C503_CFG_PIRQ_MASK)
                     48:
                     49: #define        SIS85C503_CFG_PIRQ_ROUTE_DISABLE 0x80
                     50:
                     51: #define        SIS85C503_PIRQ_MASK             0xdef8
                     52: #define        SIS85C503_LEGAL_IRQ(irq)        ((irq) >= 0 && (irq) <= 15 &&   \
                     53:                                 ((1 << (irq)) & SIS85C503_PIRQ_MASK) != 0)