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Annotation of sys/arch/i386/pci/opti82c700reg.h, Revision 1.1.1.1

1.1       nbrk        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))