FreeBSD/Linux Kernel Cross Reference
sys/arm/include/intr.h

     /*      $NetBSD: intr.h,v 1.7 2003/06/16 20:01:00 thorpej Exp $ */
     
     /*-
      * Copyright (c) 1997 Mark Brinicombe.
      * All rights reserved.
      *
      * Redistribution and use in source and binary forms, with or without
      * modification, are permitted provided that the following conditions
      * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     * 3. All advertising materials mentioning features or use of this software
     *    must display the following acknowledgement:
     *      This product includes software developed by Mark Brinicombe
     *      for the NetBSD Project.
     * 4. The name of the company nor the name of the author may be used to
     *    endorse or promote products derived from this software without specific
     *    prior written permission.
     *
     * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
     * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     * SUCH DAMAGE.
     *
     * $FreeBSD: releng/11.0/sys/arm/include/intr.h 298068 2016-04-15 16:05:41Z andrew $
     *
     */
    
    #ifndef _MACHINE_INTR_H_
    #define _MACHINE_INTR_H_
    
    #ifdef FDT
    #include <dev/ofw/openfirm.h>
    #endif
    
    #ifdef INTRNG
    
    #ifndef NIRQ
    #define NIRQ            1024    /* XXX - It should be an option. */
    #endif
    
    #include <sys/intr.h>
    
    #ifdef SMP
    typedef void intr_ipi_send_t(void *, cpuset_t, u_int);
    typedef void intr_ipi_handler_t(void *);
    
    void intr_ipi_dispatch(u_int, struct trapframe *);
    void intr_ipi_send(cpuset_t, u_int);
    
    void intr_ipi_setup(u_int, const char *, intr_ipi_handler_t *, void *,
        intr_ipi_send_t *, void *);
    
    int intr_pic_ipi_setup(u_int, const char *, intr_ipi_handler_t *, void *);
    #endif
    #else /* INTRNG */
    
    /* XXX move to std.* files? */
    #ifdef CPU_XSCALE_81342
    #define NIRQ            128
    #elif defined(CPU_XSCALE_PXA2X0)
    #include <arm/xscale/pxa/pxareg.h>
    #define NIRQ            IRQ_GPIO_MAX
    #elif defined(SOC_MV_DISCOVERY)
    #define NIRQ            96
    #elif defined(CPU_ARM9) || defined(SOC_MV_KIRKWOOD) || \
        defined(CPU_XSCALE_IXP435)
    #define NIRQ            64
    #elif defined(CPU_CORTEXA)
    #define NIRQ            1020
    #elif defined(CPU_KRAIT)
    #define NIRQ            288
    #elif defined(CPU_ARM1176)
    #define NIRQ            128
    #elif defined(SOC_MV_ARMADAXP)
    #define MAIN_IRQ_NUM            116
    #define ERR_IRQ_NUM             32
    #define ERR_IRQ                 (MAIN_IRQ_NUM)
    #define MSI_IRQ_NUM             32
    #define MSI_IRQ                 (ERR_IRQ + ERR_IRQ_NUM)
    #define NIRQ                    (MAIN_IRQ_NUM + ERR_IRQ_NUM + MSI_IRQ_NUM)
    #else
    #define NIRQ            32
    #endif
    
    int arm_get_next_irq(int);
    void arm_mask_irq(uintptr_t);
    void arm_unmask_irq(uintptr_t);
    void arm_intrnames_init(void);
   void arm_setup_irqhandler(const char *, int (*)(void*), void (*)(void*),
       void *, int, int, void **);
   int arm_remove_irqhandler(int, void *);
   extern void (*arm_post_filter)(void *);
   extern int (*arm_config_irq)(int irq, enum intr_trigger trig,
       enum intr_polarity pol);
   
   void intr_pic_init_secondary(void);
   
   #ifdef FDT
   int gic_decode_fdt(phandle_t, pcell_t *, int *, int *, int *);
   int intr_fdt_map_irq(phandle_t, pcell_t *, int);
   #endif
   
   #endif /* INTRNG */
   
   void arm_irq_memory_barrier(uintptr_t);
   
   #endif  /* _MACHINE_INTR_H */

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