25 #define PA_PXP_CFA(bus, devfn, off) (((bus) << 20) | ((devfn) << 12) | (off))  argument
27 static inline int pa_pxp_offset_valid(u8 bus, u8 devfn, int offset)  in pa_pxp_offset_valid()  argument
33 	if (bus == 0 && devfn == 0)  in pa_pxp_offset_valid()
40 				       u8 bus, u8 devfn, int offset)  in pa_pxp_cfg_addr()  argument
42 	return hose->cfg_data + PA_PXP_CFA(bus, devfn, offset);  in pa_pxp_cfg_addr()
45 static inline int is_root_port(int busno, int devfn)  in is_root_port()  argument
47 	return ((busno == 0) && (PCI_FUNC(devfn) < 4) &&  in is_root_port()
48 		 ((PCI_SLOT(devfn) == 16) || (PCI_SLOT(devfn) == 17)));  in is_root_port()
57 static int workaround_5945(struct pci_bus *bus, unsigned int devfn,  in workaround_5945()  argument
65 	if (!is_root_port(bus->number, devfn) || !is_5945_reg(offset))  in workaround_5945()
70 	addr = pa_pxp_cfg_addr(hose, bus->number, devfn, offset & ~0x3);  in workaround_5945()
77 	dummy = pa_pxp_cfg_addr(hose, bus->number, devfn, 0x10);  in workaround_5945()
155 static int pa_pxp_read_config(struct pci_bus *bus, unsigned int devfn,  in pa_pxp_read_config()  argument
165 	if (!pa_pxp_offset_valid(bus->number, devfn, offset))  in pa_pxp_read_config()
168 	if (workaround_5945(bus, devfn, offset, len, val))  in pa_pxp_read_config()
171 	addr = pa_pxp_cfg_addr(hose, bus->number, devfn, offset);  in pa_pxp_read_config()
194 static int pa_pxp_write_config(struct pci_bus *bus, unsigned int devfn,  in pa_pxp_write_config()  argument
204 	if (!pa_pxp_offset_valid(bus->number, devfn, offset))  in pa_pxp_write_config()
207 	addr = pa_pxp_cfg_addr(hose, bus->number, devfn, offset);  in pa_pxp_write_config()
296 	return (void __iomem *)pa_pxp_cfg_addr(hose, dev->bus->number, dev->devfn, offset);  in pasemi_pci_getcfgaddr()