openpicvar.h

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (C) 2002 Benno Rice.
    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. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND ANY EXPRESS OR
   17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
   19  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
   22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
   23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
   24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
   25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   26  *
   27  * $FreeBSD$
   28  */
   29 
   30 #ifndef _POWERPC_OPENPICVAR_H_
   31 #define _POWERPC_OPENPICVAR_H_
   32 
   33 #define OPENPIC_DEVSTR  "OpenPIC Interrupt Controller"
   34 
   35 #define OPENPIC_IRQMAX  256     /* h/w allows more */
   36 
   37 #define OPENPIC_QUIRK_SINGLE_BIND       1       /* Bind interrupts to only 1 CPU */
   38 #define OPENPIC_QUIRK_HIDDEN_IRQS       2       /* May have IRQs beyond FRR[NIRQ] */
   39 
   40 /* Names match the macros in openpicreg.h. */
   41 struct openpic_timer {
   42         uint32_t        tcnt;
   43         uint32_t        tbase;
   44         uint32_t        tvec;
   45         uint32_t        tdst;
   46 };
   47 
   48 struct openpic_softc {
   49         device_t        sc_dev;
   50         struct resource *sc_memr;
   51         struct resource *sc_intr;
   52         bus_space_tag_t sc_bt;
   53         bus_space_handle_t sc_bh;
   54         char            *sc_version;
   55         int             sc_rid;
   56         int             sc_irq;
   57         void            *sc_icookie;
   58         u_int           sc_ncpu;
   59         u_int           sc_nirq;
   60         int             sc_psim;
   61         u_int           sc_quirks;
   62 
   63         /* Saved states. */
   64         uint32_t                sc_saved_config;
   65         uint32_t                sc_saved_ipis[4];
   66         uint32_t                sc_saved_prios[4];
   67         struct openpic_timer    sc_saved_timers[OPENPIC_TIMERS];
   68         uint32_t                sc_saved_vectors[OPENPIC_SRC_VECTOR_COUNT];
   69 
   70 };
   71 
   72 /*
   73  * Bus-independent attach i/f
   74  */
   75 int     openpic_common_attach(device_t, uint32_t);
   76 
   77 /*
   78  * PIC interface.
   79  */
   80 void    openpic_bind(device_t dev, u_int irq, cpuset_t cpumask, void **);
   81 void    openpic_config(device_t, u_int, enum intr_trigger, enum intr_polarity);
   82 void    openpic_dispatch(device_t, struct trapframe *);
   83 void    openpic_enable(device_t, u_int, u_int, void **);
   84 void    openpic_eoi(device_t, u_int, void *);
   85 void    openpic_ipi(device_t, u_int);
   86 void    openpic_mask(device_t, u_int, void *);
   87 void    openpic_unmask(device_t, u_int, void *);
   88 
   89 int     openpic_suspend(device_t dev);
   90 int     openpic_resume(device_t dev);
   91 
   92 #endif /* _POWERPC_OPENPICVAR_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/powerpc/include/openpicvar.h

FreeBSD/Linux Kernel Cross Reference
sys/powerpc/include/openpicvar.h