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Annotation of sys/arch/i386/pci/opti82c558reg.h, Revision 1.1.1.1

1.1       nbrk        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)