#ifndef _KERNEL_DEVICE_PCI_H
#define _KERNEL_DEVICE_PCI_H

#include <libk/std.h>

#define PCI_CONFIG_ADDR 0xCF8
#define PCI_CONFIG_DATA 0xCFC

#define PCI_VENDOR_ID   0x00
#define PCI_DEVICE_ID   0x02
#define PCI_COMMAND     0x04
#define PCI_STATUS      0x06
#define PCI_REVISION_ID 0x08
#define PCI_PROG_IF     0x09
#define PCI_SUBCLASS    0x0A
#define PCI_CLASS       0x0B
#define PCI_CACHELINE   0x0C
#define PCI_LATENCY     0x0D
#define PCI_HEADER_TYPE 0x0E
#define PCI_BIST        0x0F
#define PCI_BAR0        0x10

struct pci_dev {
  uint8_t bus;
  uint8_t slot;
  uint8_t func;
  uint16_t vendor;
  uint16_t device;
  uint8_t classcode;
  uint8_t subclass;
};

struct pci_vendor {
  uint16_t id;
  const char* name;
};

struct pci_device_id {
  uint16_t vendor_id;
  uint16_t device_id;
  const char* name;
};

struct pci_class {
  uint8_t class;
  uint8_t subclass;
  const char* name;
};

typedef void (*pci_cb_func_t) (struct pci_dev pci_dev);

void pci_init (void);

extern const struct pci_vendor pci_vendors[];

extern const struct pci_device_id pci_device_names[];

extern const struct pci_class pci_classes[];

#endif // _KERNEL_DEVICE_PCI_H