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Annotation of kernel/machdep/ppc/interrupts.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: #ifndef _POWERMAC_INTERRUPTS_H_
        !            26: #define _POWERMAC_INTERRUPTS_H_
        !            27: 
        !            28: #include <mach/ppc/boolean.h>
        !            29: #include <mach/ppc/thread_status.h> /* for struct ppc_saved_state */
        !            30: #include <machdep/ppc/machspl.h>
        !            31: 
        !            32: /*
        !            33:  * Generic Power Macintosh Interrupts
        !            34:  * (Things common across all systems)
        !            35:  *
        !            36:  */
        !            37: 
        !            38: /* DMA Interrupts */
        !            39: #define        PMAC_DMA_SCSI0          0
        !            40: #define        PMAC_DMA_SCSI1          1
        !            41: #define        PMAC_DMA_AUDIO_OUT      2
        !            42: #define        PMAC_DMA_AUDIO_IN       3
        !            43: #define        PMAC_DMA_FLOPPY         4
        !            44: #define        PMAC_DMA_ETHERNET_TX    5
        !            45: #define        PMAC_DMA_ETHERNET_RX    6
        !            46: #define        PMAC_DMA_SCC_A_TX       7
        !            47: #define        PMAC_DMA_SCC_A_RX       8
        !            48: #define        PMAC_DMA_SCC_B_TX       9
        !            49: #define        PMAC_DMA_SCC_B_RX       10
        !            50: #define PMAC_DMA_IDE0           11
        !            51: #define PMAC_DMA_IDE1           12
        !            52: 
        !            53: #define        PMAC_DMA_START          0
        !            54: #define        PMAC_DMA_END            125
        !            55: 
        !            56: /* Device Interrupts */
        !            57: 
        !            58: #define        PMAC_DEV_SCSI0          128
        !            59: #define        PMAC_DEV_SCSI1          129
        !            60: #define        PMAC_DEV_ETHERNET       130
        !            61: #define        PMAC_DEV_SCC_A          131
        !            62: #define        PMAC_DEV_SCC_B          132
        !            63: #define        PMAC_DEV_AUDIO          134
        !            64: #define        PMAC_DEV_VIA1           135
        !            65: #define        PMAC_DEV_FLOPPY         136
        !            66: #define        PMAC_DEV_NMI            137
        !            67: #define PMAC_DEV_IDE0           138
        !            68: #define PMAC_DEV_IDE1           139
        !            69: #define PMAC_DEV_IN             140
        !            70: #define PMAC_DEV_ADB            141
        !            71: #define        PMAC_DEV_VIA2           142
        !            72: #define        PMAC_DEV_VIA3           143
        !            73: 
        !            74: #define        PMAC_DEV_SCC            PMAC_DEV_SCC_A  /* Older SCC chip. */
        !            75: 
        !            76: /* Add-on cards */
        !            77: 
        !            78: #define        PMAC_DEV_CARD0          256
        !            79: #define        PMAC_DEV_CARD1          257
        !            80: #define        PMAC_DEV_CARD2          258
        !            81: #define        PMAC_DEV_CARD3          259
        !            82: #define        PMAC_DEV_CARD4          260
        !            83: #define        PMAC_DEV_CARD5          261
        !            84: #define        PMAC_DEV_CARD6          262
        !            85: #define        PMAC_DEV_CARD7          263
        !            86: #define        PMAC_DEV_CARD8          264
        !            87: #define        PMAC_DEV_CARD9          265
        !            88: #define        PMAC_DEV_CARD10         266
        !            89: #define PMAC_DEV_CARD11         267
        !            90: 
        !            91: #define        PMAC_DEV_PDS            270     /* Processor Direct Slot - Nubus only */
        !            92: 
        !            93: /* Some NuBus aliases.. */
        !            94: #define        PMAC_DEV_NUBUS0         PMAC_DEV_CARD0
        !            95: #define        PMAC_DEV_NUBUS1         PMAC_DEV_CARD1
        !            96: #define        PMAC_DEV_NUBUS2         PMAC_DEV_CARD2
        !            97: #define        PMAC_DEV_NUBUS3         PMAC_DEV_CARD3
        !            98: 
        !            99: #define        PMAC_DEV_HZTICK         300
        !           100: #define        PMAC_DEV_TIMER1         301
        !           101: #define        PMAC_DEV_TIMER2         302
        !           102: #define        PMAC_DEV_VBL            303     /* VBL Interrupt */
        !           103: 
        !           104: #define        PMAC_DEV_START          128
        !           105: #define        PMAC_DEV_END            511
        !           106: 
        !           107: /* Macro for accessing VIA registers */
        !           108: #define via_reg(X) reg8(X)
        !           109: 
        !           110: struct powermac_interrupt {
        !           111:        void            (*i_handler)(int, void *, void *);
        !           112:        spl_t           i_level;
        !           113:        void *          i_arg;
        !           114:        int             i_device;
        !           115: };
        !           116: 
        !           117: extern unsigned int (*pmac_int_to_number)(int index);
        !           118: 
        !           119: extern void    (*pmac_register_int)(int interrupt, spl_t level,
        !           120:                                     void (*handler)(int, void *, void *), 
        !           121:                                     void *);
        !           122: 
        !           123: extern void    (*pmac_interrupt)(int type, struct ppc_saved_state *ssp,
        !           124:                                        unsigned int dsisr, unsigned int dar);
        !           125: 
        !           126: extern boolean_t (*pmac_enable_irq)(int irq);
        !           127: extern boolean_t (*pmac_disable_irq)(int irq);
        !           128: 
        !           129: #endif /* !POWERMAC_INTERRUPTS_H_ */

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