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#ifndef _SYS_PCI_H
#define _SYS_PCI_H
#include <inttypes.h>
#include <sys/io.h>
typedef uint32_t pciaddr_t;
static inline pciaddr_t pci_mkaddr(uint32_t bus, uint32_t dev,
uint32_t func, uint32_t reg)
{
return 0x80000000 | ((bus & 0xff) << 16) | ((dev & 0x1f) << 11) |
((func & 0x07) << 8) | (reg & 0xff);
}
enum pci_config_type {
PCI_CFG_NONE = -1, /* badness */
PCI_CFG_AUTO = 0, /* autodetect */
PCI_CFG_TYPE1 = 1,
PCI_CFG_TYPE2 = 2,
PCI_CFG_BIOS = 3,
};
enum pci_config_type pci_set_config_type(enum pci_config_type);
uint8_t pci_readb(pciaddr_t);
uint16_t pci_readw(pciaddr_t);
uint32_t pci_readl(pciaddr_t);
void pci_writeb(uint8_t, pciaddr_t);
void pci_writew(uint16_t, pciaddr_t);
void pci_writel(uint32_t, pciaddr_t);
#endif /* _SYS_PCI_H */
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