32 int ssb_pci_switch_coreidx(struct ssb_bus *bus, u8 coreidx)  in ssb_pci_switch_coreidx()  argument
39 		err = pci_write_config_dword(bus->host_pci, SSB_BAR0_WIN,  in ssb_pci_switch_coreidx()
44 		err = pci_read_config_dword(bus->host_pci, SSB_BAR0_WIN,  in ssb_pci_switch_coreidx()
63 int ssb_pci_switch_core(struct ssb_bus *bus,  in ssb_pci_switch_core()  argument
75 	spin_lock_irqsave(&bus->bar_lock, flags);  in ssb_pci_switch_core()
76 	err = ssb_pci_switch_coreidx(bus, dev->core_index);  in ssb_pci_switch_core()
78 		bus->mapped_device = dev;  in ssb_pci_switch_core()
79 	spin_unlock_irqrestore(&bus->bar_lock, flags);  in ssb_pci_switch_core()
85 int ssb_pci_xtal(struct ssb_bus *bus, u32 what, int turn_on)  in ssb_pci_xtal()  argument
91 	if (bus->bustype != SSB_BUSTYPE_PCI)  in ssb_pci_xtal()
94 	err = pci_read_config_dword(bus->host_pci, SSB_GPIO_IN, &in);  in ssb_pci_xtal()
97 	err = pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT, &out);  in ssb_pci_xtal()
100 	err = pci_read_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE, &outenable);  in ssb_pci_xtal()
117 				err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out);  in ssb_pci_xtal()
120 				err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE,  in ssb_pci_xtal()
129 				err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out);  in ssb_pci_xtal()
136 		err = pci_read_config_word(bus->host_pci, PCI_STATUS, &pci_status);  in ssb_pci_xtal()
140 		err = pci_write_config_word(bus->host_pci, PCI_STATUS, pci_status);  in ssb_pci_xtal()
152 		err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT, out);  in ssb_pci_xtal()
155 		err = pci_write_config_dword(bus->host_pci, SSB_GPIO_OUT_ENABLE, outenable);  in ssb_pci_xtal()
272 static int sprom_do_read(struct ssb_bus *bus, u16 *sprom)  in sprom_do_read()  argument
276 	for (i = 0; i < bus->sprom_size; i++)  in sprom_do_read()
277 		sprom[i] = ioread16(bus->mmio + bus->sprom_offset + (i * 2));  in sprom_do_read()
282 static int sprom_do_write(struct ssb_bus *bus, const u16 *sprom)  in sprom_do_write()  argument
284 	struct pci_dev *pdev = bus->host_pci;  in sprom_do_write()
287 	u16 size = bus->sprom_size;  in sprom_do_write()
308 		writew(sprom[i], bus->mmio + bus->sprom_offset + (i * 2));  in sprom_do_write()
813 static int sprom_extract(struct ssb_bus *bus, struct ssb_sprom *out,  in sprom_extract()  argument
823 	if ((bus->chip_id & 0xFF00) == 0x4400) {  in sprom_extract()
859 static int ssb_pci_sprom_get(struct ssb_bus *bus,  in ssb_pci_sprom_get()  argument
865 	if (!ssb_is_sprom_available(bus)) {  in ssb_pci_sprom_get()
869 	if (bus->chipco.dev) {	/* can be unavailable! */  in ssb_pci_sprom_get()
875 		if (bus->chipco.dev->id.revision >= 31)  in ssb_pci_sprom_get()
876 			bus->sprom_offset = SSB_SPROM_BASE31;  in ssb_pci_sprom_get()
877 		else if (bus->chip_id == 0x4312 &&  in ssb_pci_sprom_get()
878 			 (bus->chipco.status & 0x03) == 2)  in ssb_pci_sprom_get()
879 			bus->sprom_offset = SSB_SPROM_BASE31;  in ssb_pci_sprom_get()
881 			bus->sprom_offset = SSB_SPROM_BASE1;  in ssb_pci_sprom_get()
883 		bus->sprom_offset = SSB_SPROM_BASE1;  in ssb_pci_sprom_get()
885 	ssb_dbg("SPROM offset is 0x%x\n", bus->sprom_offset);  in ssb_pci_sprom_get()
890 	bus->sprom_size = SSB_SPROMSIZE_WORDS_R123;  in ssb_pci_sprom_get()
891 	sprom_do_read(bus, buf);  in ssb_pci_sprom_get()
892 	err = sprom_check_crc(buf, bus->sprom_size);  in ssb_pci_sprom_get()
900 		bus->sprom_size = SSB_SPROMSIZE_WORDS_R4;  in ssb_pci_sprom_get()
901 		sprom_do_read(bus, buf);  in ssb_pci_sprom_get()
902 		err = sprom_check_crc(buf, bus->sprom_size);  in ssb_pci_sprom_get()
908 			err = ssb_fill_sprom_with_fallback(bus, sprom);  in ssb_pci_sprom_get()
921 	err = sprom_extract(bus, sprom, buf, bus->sprom_size);  in ssb_pci_sprom_get()
928 static void ssb_pci_get_boardinfo(struct ssb_bus *bus,  in ssb_pci_get_boardinfo()  argument
931 	bi->vendor = bus->host_pci->subsystem_vendor;  in ssb_pci_get_boardinfo()
932 	bi->type = bus->host_pci->subsystem_device;  in ssb_pci_get_boardinfo()
935 int ssb_pci_get_invariants(struct ssb_bus *bus,  in ssb_pci_get_invariants()  argument
940 	err = ssb_pci_sprom_get(bus, &iv->sprom);  in ssb_pci_get_invariants()
943 	ssb_pci_get_boardinfo(bus, &iv->boardinfo);  in ssb_pci_get_invariants()
950 static int ssb_pci_assert_buspower(struct ssb_bus *bus)  in ssb_pci_assert_buspower()  argument
952 	if (likely(bus->powered_up))  in ssb_pci_assert_buspower()
957 	if (bus->power_warn_count <= 10) {  in ssb_pci_assert_buspower()
958 		bus->power_warn_count++;  in ssb_pci_assert_buspower()
965 static inline int ssb_pci_assert_buspower(struct ssb_bus *bus)  in ssb_pci_assert_buspower()  argument
973 	struct ssb_bus *bus = dev->bus;  in ssb_pci_read8()  local
975 	if (unlikely(ssb_pci_assert_buspower(bus)))  in ssb_pci_read8()
977 	if (unlikely(bus->mapped_device != dev)) {  in ssb_pci_read8()
978 		if (unlikely(ssb_pci_switch_core(bus, dev)))  in ssb_pci_read8()
981 	return ioread8(bus->mmio + offset);  in ssb_pci_read8()
986 	struct ssb_bus *bus = dev->bus;  in ssb_pci_read16()  local
988 	if (unlikely(ssb_pci_assert_buspower(bus)))  in ssb_pci_read16()
990 	if (unlikely(bus->mapped_device != dev)) {  in ssb_pci_read16()
991 		if (unlikely(ssb_pci_switch_core(bus, dev)))  in ssb_pci_read16()
994 	return ioread16(bus->mmio + offset);  in ssb_pci_read16()
999 	struct ssb_bus *bus = dev->bus;  in ssb_pci_read32()  local
1001 	if (unlikely(ssb_pci_assert_buspower(bus)))  in ssb_pci_read32()
1003 	if (unlikely(bus->mapped_device != dev)) {  in ssb_pci_read32()
1004 		if (unlikely(ssb_pci_switch_core(bus, dev)))  in ssb_pci_read32()
1007 	return ioread32(bus->mmio + offset);  in ssb_pci_read32()
1014 	struct ssb_bus *bus = dev->bus;  in ssb_pci_block_read()  local
1015 	void __iomem *addr = bus->mmio + offset;  in ssb_pci_block_read()
1017 	if (unlikely(ssb_pci_assert_buspower(bus)))  in ssb_pci_block_read()
1019 	if (unlikely(bus->mapped_device != dev)) {  in ssb_pci_block_read()
1020 		if (unlikely(ssb_pci_switch_core(bus, dev)))  in ssb_pci_block_read()
1047 	struct ssb_bus *bus = dev->bus;  in ssb_pci_write8()  local
1049 	if (unlikely(ssb_pci_assert_buspower(bus)))  in ssb_pci_write8()
1051 	if (unlikely(bus->mapped_device != dev)) {  in ssb_pci_write8()
1052 		if (unlikely(ssb_pci_switch_core(bus, dev)))  in ssb_pci_write8()
1055 	iowrite8(value, bus->mmio + offset);  in ssb_pci_write8()
1060 	struct ssb_bus *bus = dev->bus;  in ssb_pci_write16()  local
1062 	if (unlikely(ssb_pci_assert_buspower(bus)))  in ssb_pci_write16()
1064 	if (unlikely(bus->mapped_device != dev)) {  in ssb_pci_write16()
1065 		if (unlikely(ssb_pci_switch_core(bus, dev)))  in ssb_pci_write16()
1068 	iowrite16(value, bus->mmio + offset);  in ssb_pci_write16()
1073 	struct ssb_bus *bus = dev->bus;  in ssb_pci_write32()  local
1075 	if (unlikely(ssb_pci_assert_buspower(bus)))  in ssb_pci_write32()
1077 	if (unlikely(bus->mapped_device != dev)) {  in ssb_pci_write32()
1078 		if (unlikely(ssb_pci_switch_core(bus, dev)))  in ssb_pci_write32()
1081 	iowrite32(value, bus->mmio + offset);  in ssb_pci_write32()
1088 	struct ssb_bus *bus = dev->bus;  in ssb_pci_block_write()  local
1089 	void __iomem *addr = bus->mmio + offset;  in ssb_pci_block_write()
1091 	if (unlikely(ssb_pci_assert_buspower(bus)))  in ssb_pci_block_write()
1093 	if (unlikely(bus->mapped_device != dev)) {  in ssb_pci_block_write()
1094 		if (unlikely(ssb_pci_switch_core(bus, dev)))  in ssb_pci_block_write()
1134 	struct ssb_bus *bus;  in ssb_pci_attr_sprom_show()  local
1136 	bus = ssb_pci_dev_to_bus(pdev);  in ssb_pci_attr_sprom_show()
1137 	if (!bus)  in ssb_pci_attr_sprom_show()
1140 	return ssb_attr_sprom_show(bus, buf, sprom_do_read);  in ssb_pci_attr_sprom_show()
1148 	struct ssb_bus *bus;  in ssb_pci_attr_sprom_store()  local
1150 	bus = ssb_pci_dev_to_bus(pdev);  in ssb_pci_attr_sprom_store()
1151 	if (!bus)  in ssb_pci_attr_sprom_store()
1154 	return ssb_attr_sprom_store(bus, buf, count,  in ssb_pci_attr_sprom_store()
1162 void ssb_pci_exit(struct ssb_bus *bus)  in ssb_pci_exit()  argument
1166 	if (bus->bustype != SSB_BUSTYPE_PCI)  in ssb_pci_exit()
1169 	pdev = bus->host_pci;  in ssb_pci_exit()
1173 int ssb_pci_init(struct ssb_bus *bus)  in ssb_pci_init()  argument
1178 	if (bus->bustype != SSB_BUSTYPE_PCI)  in ssb_pci_init()
1181 	pdev = bus->host_pci;  in ssb_pci_init()
1182 	mutex_init(&bus->sprom_mutex);  in ssb_pci_init()