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/* $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.
*
* $FreeBSD$
*
*/
#ifndef _MACHINE_INTR_H_
#define _MACHINE_INTR_H_
#ifdef FDT
#include <dev/ofw/openfirm.h>
#endif
#ifdef ARM_INTRNG
#ifndef NIRQ
#define NIRQ 1024 /* XXX - It should be an option. */
#endif
#ifdef notyet
#define INTR_SOLO INTR_MD1
typedef int intr_irq_filter_t(void *arg, struct trapframe *tf);
#else
typedef int intr_irq_filter_t(void *arg);
#endif
#define INTR_ISRC_NAMELEN (MAXCOMLEN + 1)
typedef void intr_ipi_filter_t(void *arg);
enum intr_isrc_type {
INTR_ISRCT_NAMESPACE,
INTR_ISRCT_FDT
};
#define INTR_ISRCF_REGISTERED 0x01 /* registered in a controller */
#define INTR_ISRCF_PERCPU 0x02 /* per CPU interrupt */
#define INTR_ISRCF_BOUND 0x04 /* bound to a CPU */
/* Interrupt source definition. */
struct intr_irqsrc {
device_t isrc_dev; /* where isrc is mapped */
intptr_t isrc_xref; /* device reference key */
uintptr_t isrc_data; /* device data for isrc */
u_int isrc_irq; /* unique identificator */
enum intr_isrc_type isrc_type; /* how is isrc decribed */
u_int isrc_flags;
char isrc_name[INTR_ISRC_NAMELEN];
uint16_t isrc_nspc_type;
uint16_t isrc_nspc_num;
enum intr_trigger isrc_trig;
enum intr_polarity isrc_pol;
cpuset_t isrc_cpu; /* on which CPUs is enabled */
u_int isrc_index;
u_long * isrc_count;
u_int isrc_handlers;
struct intr_event * isrc_event;
intr_irq_filter_t * isrc_filter;
intr_ipi_filter_t * isrc_ipifilter;
void * isrc_arg;
#ifdef FDT
u_int isrc_ncells;
pcell_t isrc_cells[]; /* leave it last */
#endif
};
void intr_irq_set_name(struct intr_irqsrc *isrc, const char *fmt, ...)
__printflike(2, 3);
void intr_irq_dispatch(struct intr_irqsrc *isrc, struct trapframe *tf);
#define INTR_IRQ_NSPC_NONE 0
#define INTR_IRQ_NSPC_PLAIN 1
#define INTR_IRQ_NSPC_IRQ 2
#define INTR_IRQ_NSPC_IPI 3
u_int intr_namespace_map_irq(device_t dev, uint16_t type, uint16_t num);
#ifdef FDT
u_int intr_fdt_map_irq(phandle_t, pcell_t *, u_int);
#endif
int intr_pic_register(device_t dev, intptr_t xref);
int intr_pic_unregister(device_t dev, intptr_t xref);
int intr_pic_claim_root(device_t dev, intptr_t xref, intr_irq_filter_t *filter,
void *arg, u_int ipicount);
int intr_irq_add_handler(device_t dev, driver_filter_t, driver_intr_t, void *,
u_int, int, void **);
int intr_irq_remove_handler(device_t dev, u_int, void *);
int intr_irq_config(u_int, enum intr_trigger, enum intr_polarity);
int intr_irq_describe(u_int, void *, const char *);
u_int intr_irq_next_cpu(u_int current_cpu, cpuset_t *cpumask);
#ifdef SMP
int intr_irq_bind(u_int, int);
void intr_ipi_dispatch(struct intr_irqsrc *isrc, struct trapframe *tf);
#define AISHF_NOALLOC 0x0001
int intr_ipi_set_handler(u_int ipi, const char *name, intr_ipi_filter_t *filter,
void *arg, u_int flags);
void intr_pic_init_secondary(void);
#endif
#else /* ARM_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 /* ARM_INTRNG */
void arm_irq_memory_barrier(uintptr_t);
#endif /* _MACHINE_INTR_H */
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