55 #define CONFIG_CMD(bus, devfn, where) \  argument
56 	(0x80000000 | (bus->number << 16) | (devfn << 8) | (where & ~3))
68 static inline int __query(const struct pci_bus *bus, unsigned int devfn)  in __query()  argument
71 	return bus->number == 0 && (devfn == PCI_DEVFN(0, 0));  in __query()
74 		(devfn == PCI_DEVFN(2, 0) || devfn == PCI_DEVFN(3, 0));  in __query()
82 static int pci_ampci_read_config_byte(struct pci_bus *bus, unsigned int devfn,  in pci_ampci_read_config_byte()  argument
87 	if (bus->number == 0 && devfn == PCI_DEVFN(0, 0)) {  in pci_ampci_read_config_byte()
91 		CONFIG_ADDRESS = CONFIG_CMD(bus, devfn, where);  in pci_ampci_read_config_byte()
94 		if (__query(bus, devfn))  in pci_ampci_read_config_byte()
95 			__pcidebug("=> %02hx", bus, devfn, where, value);  in pci_ampci_read_config_byte()
102 static int pci_ampci_read_config_word(struct pci_bus *bus, unsigned int devfn,  in pci_ampci_read_config_word()  argument
107 	if (bus->number == 0 && devfn == PCI_DEVFN(0, 0)) {  in pci_ampci_read_config_word()
111 		CONFIG_ADDRESS = CONFIG_CMD(bus, devfn, where);  in pci_ampci_read_config_word()
114 		if (__query(bus, devfn))  in pci_ampci_read_config_word()
115 			__pcidebug("=> %04hx", bus, devfn, where, value);  in pci_ampci_read_config_word()
122 static int pci_ampci_read_config_dword(struct pci_bus *bus, unsigned int devfn,  in pci_ampci_read_config_dword()  argument
127 	if (bus->number == 0 && devfn == PCI_DEVFN(0, 0)) {  in pci_ampci_read_config_dword()
131 		CONFIG_ADDRESS = CONFIG_CMD(bus, devfn, where);  in pci_ampci_read_config_dword()
134 		if (__query(bus, devfn))  in pci_ampci_read_config_dword()
135 			__pcidebug("=> %08x", bus, devfn, where, value);  in pci_ampci_read_config_dword()
142 static int pci_ampci_write_config_byte(struct pci_bus *bus, unsigned int devfn,  in pci_ampci_write_config_byte()  argument
147 	if (bus->number == 0 && devfn == PCI_DEVFN(0, 0)) {  in pci_ampci_write_config_byte()
152 		    (devfn == PCI_DEVFN(2, 0) || devfn == PCI_DEVFN(3, 0))  in pci_ampci_write_config_byte()
154 			__pcidebug("<= %02x", bus, devfn, where, value);  in pci_ampci_write_config_byte()
155 		CONFIG_ADDRESS = CONFIG_CMD(bus, devfn, where);  in pci_ampci_write_config_byte()
162 static int pci_ampci_write_config_word(struct pci_bus *bus, unsigned int devfn,  in pci_ampci_write_config_word()  argument
167 	if (bus->number == 0 && devfn == PCI_DEVFN(0, 0)) {  in pci_ampci_write_config_word()
171 		if (__query(bus, devfn))  in pci_ampci_write_config_word()
172 			__pcidebug("<= %04hx", bus, devfn, where, value);  in pci_ampci_write_config_word()
173 		CONFIG_ADDRESS = CONFIG_CMD(bus, devfn, where);  in pci_ampci_write_config_word()
180 static int pci_ampci_write_config_dword(struct pci_bus *bus, unsigned int devfn,  in pci_ampci_write_config_dword()  argument
185 	if (bus->number == 0 && devfn == PCI_DEVFN(0, 0)) {  in pci_ampci_write_config_dword()
189 		if (__query(bus, devfn))  in pci_ampci_write_config_dword()
190 			__pcidebug("<= %08x", bus, devfn, where, value);  in pci_ampci_write_config_dword()
191 		CONFIG_ADDRESS = CONFIG_CMD(bus, devfn, where);  in pci_ampci_write_config_dword()
198 static int pci_ampci_read_config(struct pci_bus *bus, unsigned int devfn,  in pci_ampci_read_config()  argument
203 		return pci_ampci_read_config_byte(bus, devfn, where, val);  in pci_ampci_read_config()
205 		return pci_ampci_read_config_word(bus, devfn, where, val);  in pci_ampci_read_config()
207 		return pci_ampci_read_config_dword(bus, devfn, where, val);  in pci_ampci_read_config()
214 static int pci_ampci_write_config(struct pci_bus *bus, unsigned int devfn,  in pci_ampci_write_config()  argument
219 		return pci_ampci_write_config_byte(bus, devfn, where, val);  in pci_ampci_write_config()
221 		return pci_ampci_write_config_word(bus, devfn, where, val);  in pci_ampci_write_config()
223 		return pci_ampci_write_config_dword(bus, devfn, where, val);  in pci_ampci_write_config()