20 #include <linux/dma-mapping.h>
33 /* Temporary list of yet-to-be-attached buses */
62 		if (bus->bustype == SSB_BUSTYPE_PCI &&  in ssb_pci_dev_to_bus()
63 		    bus->host_pci == pdev)  in ssb_pci_dev_to_bus()
81 		if (bus->bustype == SSB_BUSTYPE_PCMCIA &&  in ssb_pcmcia_dev_to_bus()
82 		    bus->host_pcmcia == pdev)  in ssb_pcmcia_dev_to_bus()
109 	return -ENODEV;  in ssb_for_each_bus_call()
115 		get_device(dev->dev);  in ssb_device_get()
122 		put_device(dev->dev);  in ssb_device_put()
131 	if (dev->driver) {  in ssb_device_resume()
132 		ssb_drv = drv_to_ssb_drv(dev->driver);  in ssb_device_resume()
133 		if (ssb_drv && ssb_drv->resume)  in ssb_device_resume()
134 			err = ssb_drv->resume(ssb_dev);  in ssb_device_resume()
148 	if (dev->driver) {  in ssb_device_suspend()
149 		ssb_drv = drv_to_ssb_drv(dev->driver);  in ssb_device_suspend()
150 		if (ssb_drv && ssb_drv->suspend)  in ssb_device_suspend()
151 			err = ssb_drv->suspend(ssb_dev, state);  in ssb_device_suspend()
165 	bus->mapped_device = NULL;  in ssb_bus_resume()
167 	bus->pcicore.setup_done = 0;  in ssb_bus_resume()
178 	ssb_chipco_resume(&bus->chipco);  in ssb_bus_resume()
187 	ssb_chipco_suspend(&bus->chipco);  in ssb_bus_suspend()
195 /** ssb_devices_freeze - Freeze all devices on the bus.
211 	ctx->bus = bus;  in ssb_devices_freeze()
212 	WARN_ON(bus->nr_devices > ARRAY_SIZE(ctx->device_frozen));  in ssb_devices_freeze()
214 	for (i = 0; i < bus->nr_devices; i++) {  in ssb_devices_freeze()
215 		sdev = ssb_device_get(&bus->devices[i]);  in ssb_devices_freeze()
217 		if (!sdev->dev || !sdev->dev->driver ||  in ssb_devices_freeze()
218 		    !device_is_registered(sdev->dev)) {  in ssb_devices_freeze()
222 		sdrv = drv_to_ssb_drv(sdev->dev->driver);  in ssb_devices_freeze()
223 		if (WARN_ON(!sdrv->remove))  in ssb_devices_freeze()
225 		sdrv->remove(sdev);  in ssb_devices_freeze()
226 		ctx->device_frozen[i] = 1;  in ssb_devices_freeze()
232 /** ssb_devices_thaw - Unfreeze all devices on the bus.
234  * This will re-attach the device drivers and re-init the devices.
240 	struct ssb_bus *bus = ctx->bus;  in ssb_devices_thaw()
246 	for (i = 0; i < bus->nr_devices; i++) {  in ssb_devices_thaw()
247 		if (!ctx->device_frozen[i])  in ssb_devices_thaw()
249 		sdev = &bus->devices[i];  in ssb_devices_thaw()
251 		if (WARN_ON(!sdev->dev || !sdev->dev->driver))  in ssb_devices_thaw()
253 		sdrv = drv_to_ssb_drv(sdev->dev->driver);  in ssb_devices_thaw()
254 		if (WARN_ON(!sdrv || !sdrv->probe))  in ssb_devices_thaw()
257 		err = sdrv->probe(sdev, &sdev->id);  in ssb_devices_thaw()
259 			dev_err(sdev->dev,  in ssb_devices_thaw()
261 				dev_name(sdev->dev));  in ssb_devices_thaw()
276 	if (!dev->driver)  in ssb_device_shutdown()
278 	ssb_drv = drv_to_ssb_drv(dev->driver);  in ssb_device_shutdown()
279 	if (ssb_drv && ssb_drv->shutdown)  in ssb_device_shutdown()
280 		ssb_drv->shutdown(ssb_dev);  in ssb_device_shutdown()
286 	struct ssb_driver *ssb_drv = drv_to_ssb_drv(dev->driver);  in ssb_device_remove()
288 	if (ssb_drv && ssb_drv->remove)  in ssb_device_remove()
289 		ssb_drv->remove(ssb_dev);  in ssb_device_remove()
298 	struct ssb_driver *ssb_drv = drv_to_ssb_drv(dev->driver);  in ssb_device_probe()
302 	if (ssb_drv && ssb_drv->probe)  in ssb_device_probe()
303 		err = ssb_drv->probe(ssb_dev, &ssb_dev->id);  in ssb_device_probe()
313 	if ((tabid->vendor != devid->vendor) &&  in ssb_match_devid()
314 	    tabid->vendor != SSB_ANY_VENDOR)  in ssb_match_devid()
316 	if ((tabid->coreid != devid->coreid) &&  in ssb_match_devid()
317 	    tabid->coreid != SSB_ANY_ID)  in ssb_match_devid()
319 	if ((tabid->revision != devid->revision) &&  in ssb_match_devid()
320 	    tabid->revision != SSB_ANY_REV)  in ssb_match_devid()
331 	for (id = ssb_drv->id_table;  in ssb_bus_match()
332 	     id->vendor || id->coreid || id->revision;  in ssb_bus_match()
334 		if (ssb_match_devid(id, &ssb_dev->id))  in ssb_bus_match()
346 		return -ENODEV;  in ssb_device_uevent()
350 			     ssb_dev->id.vendor, ssb_dev->id.coreid,  in ssb_device_uevent()
351 			     ssb_dev->id.revision);  in ssb_device_uevent()
358 	return sprintf(buf, format_string, dev_to_ssb_dev(dev)->field); \
371 		       ssb_core_name(dev_to_ssb_dev(dev)->id.coreid));  in name_show()
417 	for (i = bus->nr_devices - 1; i >= 0; i--) {  in ssb_devices_unregister()
418 		sdev = &(bus->devices[i]);  in ssb_devices_unregister()
419 		if (sdev->dev)  in ssb_devices_unregister()
420 			device_unregister(sdev->dev);  in ssb_devices_unregister()
424 	if (bus->bustype == SSB_BUSTYPE_SSB)  in ssb_devices_unregister()
425 		platform_device_unregister(bus->watchdog);  in ssb_devices_unregister()
434 	if (err == -EBUSY)  in ssb_bus_unregister()
435 		pr_debug("Some GPIOs are still in use\n");  in ssb_bus_unregister()
441 	list_del(&bus->list);  in ssb_bus_unregister()
466 	for (i = 0; i < bus->nr_devices; i++) {  in ssb_devices_register()
467 		sdev = &(bus->devices[i]);  in ssb_devices_register()
469 		/* We don't register SSB-system devices to the kernel,  in ssb_devices_register()
471 		switch (sdev->id.coreid) {  in ssb_devices_register()
484 			err = -ENOMEM;  in ssb_devices_register()
487 		dev = &devwrap->dev;  in ssb_devices_register()
488 		devwrap->sdev = sdev;  in ssb_devices_register()
490 		dev->release = ssb_release_dev;  in ssb_devices_register()
491 		dev->bus = &ssb_bustype;  in ssb_devices_register()
492 		dev_set_name(dev, "ssb%u:%d", bus->busnumber, dev_idx);  in ssb_devices_register()
494 		switch (bus->bustype) {  in ssb_devices_register()
497 			sdev->irq = bus->host_pci->irq;  in ssb_devices_register()
498 			dev->parent = &bus->host_pci->dev;  in ssb_devices_register()
499 			sdev->dma_dev = dev->parent;  in ssb_devices_register()
504 			sdev->irq = bus->host_pcmcia->irq;  in ssb_devices_register()
505 			dev->parent = &bus->host_pcmcia->dev;  in ssb_devices_register()
510 			dev->parent = &bus->host_sdio->dev;  in ssb_devices_register()
514 			dev->dma_mask = &dev->coherent_dma_mask;  in ssb_devices_register()
515 			sdev->dma_dev = dev;  in ssb_devices_register()
519 		sdev->dev = dev;  in ssb_devices_register()
525 			sdev->dev = NULL;  in ssb_devices_register()
533 	if (bus->mipscore.pflash.present) {  in ssb_devices_register()
541 	if (bus->mipscore.sflash.present) {  in ssb_devices_register()
564 			list_del(&bus->list);  in ssb_attach_queued_buses()
574 		ssb_pcicore_init(&bus->pcicore);  in ssb_attach_queued_buses()
575 		if (bus->bustype == SSB_BUSTYPE_SSB)  in ssb_attach_queued_buses()
579 		if (err == -ENOTSUPP)  in ssb_attach_queued_buses()
590 			list_del(&bus->list);  in ssb_attach_queued_buses()
593 		list_move_tail(&bus->list, &buses);  in ssb_attach_queued_buses()
609 	memcpy(&bus->boardinfo, &iv.boardinfo, sizeof(iv.boardinfo));  in ssb_fetch_invariants()
610 	memcpy(&bus->sprom, &iv.sprom, sizeof(iv.sprom));  in ssb_fetch_invariants()
611 	bus->has_cardbus_slot = iv.has_cardbus_slot;  in ssb_fetch_invariants()
623 	spin_lock_init(&bus->bar_lock);  in ssb_bus_register()
624 	INIT_LIST_HEAD(&bus->list);  in ssb_bus_register()
626 	spin_lock_init(&bus->gpio_lock);  in ssb_bus_register()
634 	/* Init SDIO-host device (if any), before the scan */  in ssb_bus_register()
640 	bus->busnumber = next_busnumber;  in ssb_bus_register()
646 	/* Init PCI-host device (if any) */  in ssb_bus_register()
650 	/* Init PCMCIA-host device (if any) */  in ssb_bus_register()
659 	ssb_chipcommon_init(&bus->chipco);  in ssb_bus_register()
660 	ssb_extif_init(&bus->extif);  in ssb_bus_register()
661 	ssb_mipscore_init(&bus->mipscore);  in ssb_bus_register()
671 	list_add_tail(&bus->list, &attach_queue);  in ssb_bus_register()
685 	list_del(&bus->list);  in ssb_bus_register()
705 	bus->bustype = SSB_BUSTYPE_PCI;  in ssb_bus_pcibus_register()
706 	bus->host_pci = host_pci;  in ssb_bus_pcibus_register()
707 	bus->ops = &ssb_pci_ops;  in ssb_bus_pcibus_register()
711 		dev_info(&host_pci->dev,  in ssb_bus_pcibus_register()
713 			 dev_name(&host_pci->dev));  in ssb_bus_pcibus_register()
715 		dev_err(&host_pci->dev,  in ssb_bus_pcibus_register()
731 	bus->bustype = SSB_BUSTYPE_PCMCIA;  in ssb_bus_pcmciabus_register()
732 	bus->host_pcmcia = pcmcia_dev;  in ssb_bus_pcmciabus_register()
733 	bus->ops = &ssb_pcmcia_ops;  in ssb_bus_pcmciabus_register()
737 		dev_info(&pcmcia_dev->dev,  in ssb_bus_pcmciabus_register()
739 			 pcmcia_dev->devname);  in ssb_bus_pcmciabus_register()
752 	bus->bustype = SSB_BUSTYPE_SDIO;  in ssb_bus_sdiobus_register()
753 	bus->host_sdio = func;  in ssb_bus_sdiobus_register()
754 	bus->ops = &ssb_sdio_ops;  in ssb_bus_sdiobus_register()
755 	bus->quirks = quirks;  in ssb_bus_sdiobus_register()
759 		dev_info(&func->dev,  in ssb_bus_sdiobus_register()
774 	bus->bustype = SSB_BUSTYPE_SSB;  in ssb_bus_host_soc_register()
775 	bus->ops = &ssb_host_soc_ops;  in ssb_bus_host_soc_register()
789 	drv->drv.name = drv->name;  in __ssb_driver_register()
790 	drv->drv.bus = &ssb_bustype;  in __ssb_driver_register()
791 	drv->drv.owner = owner;  in __ssb_driver_register()
793 	return driver_register(&drv->drv);  in __ssb_driver_register()
799 	driver_unregister(&drv->drv);  in ssb_driver_unregister()
805 	struct ssb_bus *bus = dev->bus;  in ssb_set_devtypedata()
806 	struct ssb_device *ent;  in ssb_set_devtypedata()  local
809 	for (i = 0; i < bus->nr_devices; i++) {  in ssb_set_devtypedata()
810 		ent = &(bus->devices[i]);  in ssb_set_devtypedata()
811 		if (ent->id.vendor != dev->id.vendor)  in ssb_set_devtypedata()
813 		if (ent->id.coreid != dev->id.coreid)  in ssb_set_devtypedata()
816 		ent->devtypedata = data;  in ssb_set_devtypedata()
943 	if (bus->chipco.capabilities & SSB_CHIPCO_CAP_PMU)  in ssb_clockspeed()
944 		return ssb_pmu_get_controlclock(&bus->chipco);  in ssb_clockspeed()
946 	if (ssb_extif_available(&bus->extif))  in ssb_clockspeed()
947 		ssb_extif_get_clockcontrol(&bus->extif, &plltype,  in ssb_clockspeed()
949 	else if (bus->chipco.dev)  in ssb_clockspeed()
950 		ssb_chipco_get_clockcontrol(&bus->chipco, &plltype,  in ssb_clockspeed()
955 	if (bus->chip_id == 0x5365) {  in ssb_clockspeed()
979 	case SSB_IDLOW_SSBREV_25:     /* TODO - find the proper REJECT bit */  in ssb_tmslow_reject_bitmask()
1047  * timeout is in units of ten-microseconds */
1065 	dev_err(dev->dev,  in ssb_wait_bits()
1069 	return -ETIMEDOUT;  in ssb_wait_bits()
1114 /* Some chipsets need routing known for PCIe and 64-bit DMA */
1117 	u16 chip_id = dev->bus->chip_id;  in ssb_dma_translation_special_bit()
1119 	if (dev->id.coreid == SSB_DEV_80211) {  in ssb_dma_translation_special_bit()
1129 	switch (dev->bus->bustype) {  in ssb_dma_translation()
1133 		if (pci_is_pcie(dev->bus->host_pci) &&  in ssb_dma_translation()
1157 	if (bus->bustype == SSB_BUSTYPE_SSB)  in ssb_bus_may_powerdown()
1160 	cc = &bus->chipco;  in ssb_bus_may_powerdown()
1162 	if (!cc->dev)  in ssb_bus_may_powerdown()
1164 	if (cc->dev->id.revision < 5)  in ssb_bus_may_powerdown()
1172 	bus->powered_up = 0;  in ssb_bus_may_powerdown()
1189 	bus->powered_up = 1;  in ssb_bus_powerup()
1192 	ssb_chipco_set_clockmode(&bus->chipco, mode);  in ssb_bus_powerup()
1221 	dev = bus->chipco.dev ? bus->chipco.dev : bus->pcicore.dev;  in ssb_commit_settings()
1223 	dev = bus->chipco.dev;  in ssb_commit_settings()
1304 		pr_err("Broadcom 43xx PCI-SSB-bridge initialization failed\n");  in ssb_modinit()