mirror of
https://github.com/torvalds/linux.git
synced 2024-11-15 00:21:59 +00:00
c88a15c6f1
Based on 1 normalized pattern(s): distributed under the terms of the gpl version 2 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 1 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Steve Winslow <swinslow@gmail.com> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190528171439.671734884@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
47 lines
1.5 KiB
C
47 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* drivers/parisc/gsc.h
|
|
* Declarations for functions in gsc.c
|
|
* Copyright (c) 2000-2002 Helge Deller, Matthew Wilcox
|
|
*/
|
|
|
|
#include <linux/interrupt.h>
|
|
#include <asm/hardware.h>
|
|
#include <asm/parisc-device.h>
|
|
|
|
#define OFFSET_IRR 0x0000 /* Interrupt request register */
|
|
#define OFFSET_IMR 0x0004 /* Interrupt mask register */
|
|
#define OFFSET_IPR 0x0008 /* Interrupt pending register */
|
|
#define OFFSET_ICR 0x000C /* Interrupt control register */
|
|
#define OFFSET_IAR 0x0010 /* Interrupt address register */
|
|
|
|
/* PA I/O Architected devices support at least 5 bits in the EIM register. */
|
|
#define GSC_EIM_WIDTH 5
|
|
|
|
struct gsc_irq {
|
|
unsigned long txn_addr; /* IRQ "target" */
|
|
int txn_data; /* HW "IRQ" */
|
|
int irq; /* virtual IRQ */
|
|
};
|
|
|
|
struct gsc_asic {
|
|
struct parisc_device *gsc;
|
|
unsigned long hpa;
|
|
char *name;
|
|
int version;
|
|
int type;
|
|
int eim;
|
|
int global_irq[32];
|
|
};
|
|
|
|
int gsc_common_setup(struct parisc_device *parent, struct gsc_asic *gsc_asic);
|
|
int gsc_alloc_irq(struct gsc_irq *dev); /* dev needs an irq */
|
|
int gsc_claim_irq(struct gsc_irq *dev, int irq); /* dev needs this irq */
|
|
int gsc_assign_irq(struct irq_chip *type, void *data);
|
|
int gsc_find_local_irq(unsigned int irq, int *global_irq, int limit);
|
|
void gsc_fixup_irqs(struct parisc_device *parent, void *ctrl,
|
|
void (*choose)(struct parisc_device *child, void *ctrl));
|
|
void gsc_asic_assign_irq(struct gsc_asic *asic, int local_irq, int *irqp);
|
|
|
|
irqreturn_t gsc_asic_intr(int irq, void *dev);
|