1 /* $NetBSD: intr.h,v 1.7 2003/06/16 20:01:00 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1997 Mark Brinicombe. 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Mark Brinicombe 18 * for the NetBSD Project. 19 * 4. The name of the company nor the name of the author may be used to 20 * endorse or promote products derived from this software without specific 21 * prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * $FreeBSD$ 36 * 37 */ 38 39 #ifndef _MACHINE_INTR_H_ 40 #define _MACHINE_INTR_H_ 41 42 #ifdef FDT 43 #include <dev/ofw/openfirm.h> 44 #endif 45 46 /* XXX move to std.* files? */ 47 #ifdef CPU_XSCALE_81342 48 #define NIRQ 128 49 #elif defined(CPU_XSCALE_PXA2X0) 50 #include <arm/xscale/pxa/pxareg.h> 51 #define NIRQ IRQ_GPIO_MAX 52 #elif defined(SOC_MV_DISCOVERY) 53 #define NIRQ 96 54 #elif defined(CPU_ARM9) || defined(SOC_MV_KIRKWOOD) || \ 55 defined(CPU_XSCALE_IXP435) 56 #define NIRQ 64 57 #elif defined(CPU_CORTEXA) 58 #define NIRQ 1020 59 #elif defined(CPU_KRAIT) 60 #define NIRQ 288 61 #elif defined(CPU_ARM1176) 62 #define NIRQ 128 63 #elif defined(SOC_MV_ARMADAXP) 64 #define MAIN_IRQ_NUM 116 65 #define ERR_IRQ_NUM 32 66 #define ERR_IRQ (MAIN_IRQ_NUM) 67 #define MSI_IRQ_NUM 32 68 #define MSI_IRQ (ERR_IRQ + ERR_IRQ_NUM) 69 #define NIRQ (MAIN_IRQ_NUM + ERR_IRQ_NUM + MSI_IRQ_NUM) 70 #else 71 #define NIRQ 32 72 #endif 73 74 75 int arm_get_next_irq(int); 76 void arm_mask_irq(uintptr_t); 77 void arm_unmask_irq(uintptr_t); 78 void arm_intrnames_init(void); 79 void arm_setup_irqhandler(const char *, int (*)(void*), void (*)(void*), 80 void *, int, int, void **); 81 int arm_remove_irqhandler(int, void *); 82 extern void (*arm_post_filter)(void *); 83 extern int (*arm_config_irq)(int irq, enum intr_trigger trig, 84 enum intr_polarity pol); 85 86 void arm_irq_memory_barrier(uintptr_t); 87 88 void arm_init_secondary_ic(void); 89 int gic_decode_fdt(uint32_t iparentnode, uint32_t *intrcells, int *interrupt, 90 int *trig, int *pol); 91 92 #ifdef FDT 93 int arm_fdt_map_irq(phandle_t, pcell_t *, int); 94 #endif 95 96 #endif /* _MACHINE_INTR_H */ 97