53 lines
1.3 KiB
C
53 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
|
|
/*
|
|
* Copyright (C) 2021 Western Digital Corporation or its affiliates.
|
|
* Copyright (C) 2022 Ventana Micro Systems Inc.
|
|
*/
|
|
|
|
#ifndef _IRQ_RISCV_APLIC_MAIN_H
|
|
#define _IRQ_RISCV_APLIC_MAIN_H
|
|
|
|
#include <linux/device.h>
|
|
#include <linux/io.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/irqdomain.h>
|
|
#include <linux/fwnode.h>
|
|
|
|
#define APLIC_DEFAULT_PRIORITY 1
|
|
|
|
struct aplic_msicfg {
|
|
phys_addr_t base_ppn;
|
|
u32 hhxs;
|
|
u32 hhxw;
|
|
u32 lhxs;
|
|
u32 lhxw;
|
|
};
|
|
|
|
struct aplic_priv {
|
|
struct device *dev;
|
|
u32 gsi_base;
|
|
u32 nr_irqs;
|
|
u32 nr_idcs;
|
|
void __iomem *regs;
|
|
struct aplic_msicfg msicfg;
|
|
};
|
|
|
|
void aplic_irq_unmask(struct irq_data *d);
|
|
void aplic_irq_mask(struct irq_data *d);
|
|
int aplic_irq_set_type(struct irq_data *d, unsigned int type);
|
|
int aplic_irqdomain_translate(struct irq_fwspec *fwspec, u32 gsi_base,
|
|
unsigned long *hwirq, unsigned int *type);
|
|
void aplic_init_hw_global(struct aplic_priv *priv, bool msi_mode);
|
|
int aplic_setup_priv(struct aplic_priv *priv, struct device *dev, void __iomem *regs);
|
|
int aplic_direct_setup(struct device *dev, void __iomem *regs);
|
|
#ifdef CONFIG_RISCV_APLIC_MSI
|
|
int aplic_msi_setup(struct device *dev, void __iomem *regs);
|
|
#else
|
|
static inline int aplic_msi_setup(struct device *dev, void __iomem *regs)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
#endif
|
|
|
|
#endif
|