73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0 */
|
||
|
|
#ifndef _ASM_IA64_PCI_H
|
||
|
|
#define _ASM_IA64_PCI_H
|
||
|
|
|
||
|
|
#include <linux/mm.h>
|
||
|
|
#include <linux/slab.h>
|
||
|
|
#include <linux/spinlock.h>
|
||
|
|
#include <linux/string.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <linux/scatterlist.h>
|
||
|
|
|
||
|
|
#include <asm/io.h>
|
||
|
|
#include <asm/hw_irq.h>
|
||
|
|
|
||
|
|
struct pci_vector_struct {
|
||
|
|
__u16 segment; /* PCI Segment number */
|
||
|
|
__u16 bus; /* PCI Bus number */
|
||
|
|
__u32 pci_id; /* ACPI split 16 bits device, 16 bits function (see section 6.1.1) */
|
||
|
|
__u8 pin; /* PCI PIN (0 = A, 1 = B, 2 = C, 3 = D) */
|
||
|
|
__u32 irq; /* IRQ assigned */
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Can be used to override the logic in pci_scan_bus for skipping already-configured bus
|
||
|
|
* numbers - to be used for buggy BIOSes or architectures with incomplete PCI setup by the
|
||
|
|
* loader.
|
||
|
|
*/
|
||
|
|
#define pcibios_assign_all_busses() 0
|
||
|
|
|
||
|
|
#define PCIBIOS_MIN_IO 0x1000
|
||
|
|
#define PCIBIOS_MIN_MEM 0x10000000
|
||
|
|
|
||
|
|
#define HAVE_PCI_MMAP
|
||
|
|
#define ARCH_GENERIC_PCI_MMAP_RESOURCE
|
||
|
|
#define arch_can_pci_mmap_wc() 1
|
||
|
|
|
||
|
|
#define HAVE_PCI_LEGACY
|
||
|
|
extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
|
||
|
|
struct vm_area_struct *vma,
|
||
|
|
enum pci_mmap_state mmap_state);
|
||
|
|
|
||
|
|
char *pci_get_legacy_mem(struct pci_bus *bus);
|
||
|
|
int pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size);
|
||
|
|
int pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size);
|
||
|
|
|
||
|
|
struct pci_controller {
|
||
|
|
struct acpi_device *companion;
|
||
|
|
void *iommu;
|
||
|
|
int segment;
|
||
|
|
int node; /* nearest node with memory or NUMA_NO_NODE for global allocation */
|
||
|
|
|
||
|
|
void *platform_data;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
#define PCI_CONTROLLER(busdev) ((struct pci_controller *) busdev->sysdata)
|
||
|
|
#define pci_domain_nr(busdev) (PCI_CONTROLLER(busdev)->segment)
|
||
|
|
|
||
|
|
extern struct pci_ops pci_root_ops;
|
||
|
|
|
||
|
|
static inline int pci_proc_domain(struct pci_bus *bus)
|
||
|
|
{
|
||
|
|
return (pci_domain_nr(bus) != 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
#define HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
|
||
|
|
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
|
||
|
|
{
|
||
|
|
return channel ? isa_irq_to_vector(15) : isa_irq_to_vector(14);
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* _ASM_IA64_PCI_H */
|