1 /* $NetBSD: intr.h,v 1.7 2003/06/16 20:01:00 thorpej Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-4-Clause 5 * 6 * Copyright (c) 1997 Mark Brinicombe. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by Mark Brinicombe 20 * for the NetBSD Project. 21 * 4. The name of the company nor the name of the author may be used to 22 * endorse or promote products derived from this software without specific 23 * prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 26 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 27 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 28 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 29 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 30 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * $FreeBSD$ 38 * 39 */ 40 41 #ifndef _MACHINE_INTR_H_ 42 #define _MACHINE_INTR_H_ 43 44 #ifdef FDT 45 #include <dev/ofw/openfirm.h> 46 #endif 47 48 #ifdef INTRNG 49 50 #ifndef NIRQ 51 #define NIRQ 1024 /* XXX - It should be an option. */ 52 #endif 53 54 #include <sys/intr.h> 55 56 #ifdef SMP 57 typedef void intr_ipi_send_t(void *, cpuset_t, u_int); 58 typedef void intr_ipi_handler_t(void *); 59 60 void intr_ipi_dispatch(u_int, struct trapframe *); 61 void intr_ipi_send(cpuset_t, u_int); 62 63 void intr_ipi_setup(u_int, const char *, intr_ipi_handler_t *, void *, 64 intr_ipi_send_t *, void *); 65 66 int intr_pic_ipi_setup(u_int, const char *, intr_ipi_handler_t *, void *); 67 #endif 68 #else /* INTRNG */ 69 70 /* XXX move to std.* files? */ 71 #ifdef CPU_XSCALE_81342 72 #define NIRQ 128 73 #elif defined(CPU_XSCALE_PXA2X0) 74 #include <arm/xscale/pxa/pxareg.h> 75 #define NIRQ IRQ_GPIO_MAX 76 #elif defined(SOC_MV_DISCOVERY) 77 #define NIRQ 96 78 #elif defined(CPU_ARM9) || defined(SOC_MV_KIRKWOOD) || \ 79 defined(CPU_XSCALE_IXP435) 80 #define NIRQ 64 81 #elif defined(CPU_CORTEXA) 82 #define NIRQ 1020 83 #elif defined(CPU_KRAIT) 84 #define NIRQ 288 85 #elif defined(CPU_ARM1176) 86 #define NIRQ 128 87 #else 88 #define NIRQ 32 89 #endif 90 91 int arm_get_next_irq(int); 92 void arm_mask_irq(uintptr_t); 93 void arm_unmask_irq(uintptr_t); 94 void arm_intrnames_init(void); 95 void arm_setup_irqhandler(const char *, int (*)(void*), void (*)(void*), 96 void *, int, int, void **); 97 int arm_remove_irqhandler(int, void *); 98 extern void (*arm_post_filter)(void *); 99 extern int (*arm_config_irq)(int irq, enum intr_trigger trig, 100 enum intr_polarity pol); 101 102 void intr_pic_init_secondary(void); 103 104 #ifdef FDT 105 int gic_decode_fdt(phandle_t, pcell_t *, int *, int *, int *); 106 int intr_fdt_map_irq(phandle_t, pcell_t *, int); 107 #endif 108 109 #endif /* INTRNG */ 110 111 void arm_irq_memory_barrier(uintptr_t); 112 113 #endif /* _MACHINE_INTR_H */ 114