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/* 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_src_ctrl {
u32 sourcecfg;
u32 target;
u32 ie;
};
struct aplic_saved_regs {
u32 domaincfg;
#ifdef CONFIG_RISCV_M_MODE
u32 msiaddr;
u32 msiaddrh;
#endif
struct aplic_src_ctrl *srcs;
};
struct aplic_priv {
struct list_head head;
struct notifier_block genpd_nb;
struct aplic_saved_regs saved_hw_regs;
struct device *dev;
u32 gsi_base;
u32 nr_irqs;
u32 nr_idcs;
u32 acpi_aplic_id;
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);
void aplic_direct_restore_states(struct aplic_priv *priv);
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
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