haiku/headers/os/drivers/bus/FDT.h
David Karoly 226dd60a57 arm64: initialize PCI interrupts from FDT
see:
https://www.devicetree.org/open-firmware/practice/imap/imap0_9d.pdf

Change-Id: I4158b022fd4404e3126f92ee844743e39a9b6646
Reviewed-on: https://review.haiku-os.org/c/haiku/+/5560
Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
Reviewed-by: David Karoly <karolyd577@gmail.com>
2022-08-24 09:41:35 +00:00

36 lines
1.1 KiB
C

/*
* Copyright 2020-2021, Haiku, Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _DRIVERS_BUS_FDT_H
#define _DRIVERS_BUS_FDT_H
#include <device_manager.h>
struct fdt_bus;
struct fdt_device;
struct fdt_interrupt_map;
typedef struct fdt_bus_module_info {
driver_module_info info;
device_node* (*node_by_phandle)(struct fdt_bus* bus, int phandle);
} fdt_bus_module_info;
typedef struct fdt_device_module_info {
driver_module_info info;
device_node* (*get_bus)(struct fdt_device* dev);
const char* (*get_name)(struct fdt_device* dev);
const void* (*get_prop)(struct fdt_device* dev, const char* name, int* len);
bool (*get_reg)(struct fdt_device* dev, uint32 ord, uint64* regs, uint64* len);
bool (*get_interrupt)(struct fdt_device* dev, uint32 ord,
device_node** interruptController, uint64* interrupt);
struct fdt_interrupt_map* (*get_interrupt_map)(struct fdt_device* dev);
void (*print_interrupt_map)(struct fdt_interrupt_map* interruptMap);
uint32 (*lookup_interrupt_map)(struct fdt_interrupt_map* interruptMap, uint32 childAddr, uint32 childIrq);
} fdt_device_module_info;
#endif // _DRIVERS_BUS_FDT_H