Lines Matching refs:device
157 static const struct ieee1394_device_id *unit_match(struct device *dev, in unit_match()
173 static bool is_fw_unit(struct device *dev);
175 static int fw_unit_match(struct device *dev, struct device_driver *drv) in fw_unit_match()
181 static int fw_unit_probe(struct device *dev) in fw_unit_probe()
189 static int fw_unit_remove(struct device *dev) in fw_unit_remove()
208 static int fw_unit_uevent(struct device *dev, struct kobj_uevent_env *env) in fw_unit_uevent()
229 int fw_device_enable_phys_dma(struct fw_device *device) in fw_device_enable_phys_dma() argument
231 int generation = device->generation; in fw_device_enable_phys_dma()
236 return device->card->driver->enable_phys_dma(device->card, in fw_device_enable_phys_dma()
237 device->node_id, in fw_device_enable_phys_dma()
247 static ssize_t show_immediate(struct device *dev, in show_immediate()
279 static ssize_t show_text_leaf(struct device *dev, in show_text_leaf()
332 static void init_fw_attribute_group(struct device *dev, in init_fw_attribute_group()
356 static ssize_t modalias_show(struct device *dev, in modalias_show()
368 static ssize_t rom_index_show(struct device *dev, in rom_index_show()
371 struct fw_device *device = fw_device(dev->parent); in rom_index_show() local
375 (int)(unit->directory - device->config_rom)); in rom_index_show()
384 static ssize_t config_rom_show(struct device *dev, in config_rom_show()
387 struct fw_device *device = fw_device(dev); in config_rom_show() local
391 length = device->config_rom_length * 4; in config_rom_show()
392 memcpy(buf, device->config_rom, length); in config_rom_show()
398 static ssize_t guid_show(struct device *dev, in guid_show()
401 struct fw_device *device = fw_device(dev); in guid_show() local
406 device->config_rom[3], device->config_rom[4]); in guid_show()
412 static ssize_t is_local_show(struct device *dev, in is_local_show()
415 struct fw_device *device = fw_device(dev); in is_local_show() local
417 return sprintf(buf, "%u\n", device->is_local); in is_local_show()
442 static ssize_t units_show(struct device *dev, in units_show()
445 struct fw_device *device = fw_device(dev); in units_show() local
450 fw_csr_iterator_init(&ci, &device->config_rom[5]); in units_show()
474 static int read_rom(struct fw_device *device, in read_rom() argument
484 rcode = fw_run_transaction(device->card, in read_rom()
485 TCODE_READ_QUADLET_REQUEST, device->node_id, in read_rom()
486 generation, device->max_speed, offset, data, 4); in read_rom()
506 static int read_config_rom(struct fw_device *device, int generation) in read_config_rom() argument
508 struct fw_card *card = device->card; in read_config_rom()
522 device->max_speed = SCODE_100; in read_config_rom()
526 ret = read_rom(device, generation, i, &rom[i]); in read_config_rom()
543 device->max_speed = device->node->max_speed; in read_config_rom()
554 if ((rom[2] & 0x7) < device->max_speed || in read_config_rom()
555 device->max_speed == SCODE_BETA || in read_config_rom()
560 if (device->max_speed == SCODE_BETA) in read_config_rom()
561 device->max_speed = card->link_speed; in read_config_rom()
563 while (device->max_speed > SCODE_100) { in read_config_rom()
564 if (read_rom(device, generation, 0, &dummy) == in read_config_rom()
567 device->max_speed--; in read_config_rom()
596 ret = read_rom(device, generation, i, &rom[i]); in read_config_rom()
620 ret = read_rom(device, generation, i, &rom[i]); in read_config_rom()
647 old_rom = device->config_rom; in read_config_rom()
655 device->config_rom = new_rom; in read_config_rom()
656 device->config_rom_length = length; in read_config_rom()
661 device->max_rec = rom[2] >> 12 & 0xf; in read_config_rom()
662 device->cmc = rom[2] >> 30 & 1; in read_config_rom()
663 device->irmc = rom[2] >> 31 & 1; in read_config_rom()
670 static void fw_unit_release(struct device *dev) in fw_unit_release()
683 static bool is_fw_unit(struct device *dev) in is_fw_unit()
688 static void create_units(struct fw_device *device) in create_units() argument
695 fw_csr_iterator_init(&ci, &device->config_rom[5]); in create_units()
709 unit->device.bus = &fw_bus_type; in create_units()
710 unit->device.type = &fw_unit_type; in create_units()
711 unit->device.parent = &device->device; in create_units()
712 dev_set_name(&unit->device, "%s.%d", dev_name(&device->device), i++); in create_units()
717 init_fw_attribute_group(&unit->device, in create_units()
721 fw_device_get(device); in create_units()
722 if (device_register(&unit->device) < 0) { in create_units()
723 put_device(&unit->device); in create_units()
729 static int shutdown_unit(struct device *device, void *data) in shutdown_unit() argument
731 device_unregister(device); in shutdown_unit()
749 struct fw_device *device; in fw_device_get_by_devt() local
752 device = idr_find(&fw_device_idr, MINOR(devt)); in fw_device_get_by_devt()
753 if (device) in fw_device_get_by_devt()
754 fw_device_get(device); in fw_device_get_by_devt()
757 return device; in fw_device_get_by_devt()
763 static void fw_schedule_device_work(struct fw_device *device, in fw_schedule_device_work() argument
766 queue_delayed_work(fw_workqueue, &device->work, delay); in fw_schedule_device_work()
787 struct fw_device *device = in fw_device_shutdown() local
789 int minor = MINOR(device->device.devt); in fw_device_shutdown()
792 device->card->reset_jiffies + SHUTDOWN_DELAY) in fw_device_shutdown()
793 && !list_empty(&device->card->link)) { in fw_device_shutdown()
794 fw_schedule_device_work(device, SHUTDOWN_DELAY); in fw_device_shutdown()
798 if (atomic_cmpxchg(&device->state, in fw_device_shutdown()
803 fw_device_cdev_remove(device); in fw_device_shutdown()
804 device_for_each_child(&device->device, NULL, shutdown_unit); in fw_device_shutdown()
805 device_unregister(&device->device); in fw_device_shutdown()
811 fw_device_put(device); in fw_device_shutdown()
814 static void fw_device_release(struct device *dev) in fw_device_release()
816 struct fw_device *device = fw_device(dev); in fw_device_release() local
817 struct fw_card *card = device->card; in fw_device_release()
826 device->node->data = NULL; in fw_device_release()
829 fw_node_put(device->node); in fw_device_release()
830 kfree(device->config_rom); in fw_device_release()
831 kfree(device); in fw_device_release()
839 static bool is_fw_device(struct device *dev) in is_fw_device()
844 static int update_unit(struct device *dev, void *data) in update_unit()
860 struct fw_device *device = in fw_device_update() local
863 fw_device_cdev_update(device); in fw_device_update()
864 device_for_each_child(&device->device, NULL, update_unit); in fw_device_update()
873 static int lookup_existing_device(struct device *dev, void *data) in lookup_existing_device()
922 static void set_broadcast_channel(struct fw_device *device, int generation) in set_broadcast_channel() argument
924 struct fw_card *card = device->card; in set_broadcast_channel()
938 if (!device->irmc || device->max_rec < 8) in set_broadcast_channel()
945 if (device->bc_implemented == BC_UNKNOWN) { in set_broadcast_channel()
947 device->node_id, generation, device->max_speed, in set_broadcast_channel()
953 device->bc_implemented = BC_IMPLEMENTED; in set_broadcast_channel()
958 device->bc_implemented = BC_UNIMPLEMENTED; in set_broadcast_channel()
962 if (device->bc_implemented == BC_IMPLEMENTED) { in set_broadcast_channel()
966 device->node_id, generation, device->max_speed, in set_broadcast_channel()
972 int fw_device_set_broadcast_channel(struct device *dev, void *gen) in fw_device_set_broadcast_channel()
982 struct fw_device *device = in fw_device_init() local
984 struct fw_card *card = device->card; in fw_device_init()
985 struct device *revived_dev; in fw_device_init()
994 ret = read_config_rom(device, device->generation); in fw_device_init()
996 if (device->config_rom_retries < MAX_RETRIES && in fw_device_init()
997 atomic_read(&device->state) == FW_DEVICE_INITIALIZING) { in fw_device_init()
998 device->config_rom_retries++; in fw_device_init()
999 fw_schedule_device_work(device, RETRY_DELAY); in fw_device_init()
1001 if (device->node->link_on) in fw_device_init()
1003 device->node_id, in fw_device_init()
1005 if (device->node == card->root_node) in fw_device_init()
1007 fw_device_release(&device->device); in fw_device_init()
1012 revived_dev = device_find_child(card->device, in fw_device_init()
1013 device, lookup_existing_device); in fw_device_init()
1016 fw_device_release(&device->device); in fw_device_init()
1021 device_initialize(&device->device); in fw_device_init()
1023 fw_device_get(device); in fw_device_init()
1025 minor = idr_alloc(&fw_device_idr, device, 0, 1 << MINORBITS, in fw_device_init()
1032 device->device.bus = &fw_bus_type; in fw_device_init()
1033 device->device.type = &fw_device_type; in fw_device_init()
1034 device->device.parent = card->device; in fw_device_init()
1035 device->device.devt = MKDEV(fw_cdev_major, minor); in fw_device_init()
1036 dev_set_name(&device->device, "fw%d", minor); in fw_device_init()
1038 BUILD_BUG_ON(ARRAY_SIZE(device->attribute_group.attrs) < in fw_device_init()
1041 init_fw_attribute_group(&device->device, in fw_device_init()
1043 &device->attribute_group); in fw_device_init()
1045 if (device_add(&device->device)) { in fw_device_init()
1050 create_units(device); in fw_device_init()
1061 if (atomic_cmpxchg(&device->state, in fw_device_init()
1064 device->workfn = fw_device_shutdown; in fw_device_init()
1065 fw_schedule_device_work(device, SHUTDOWN_DELAY); in fw_device_init()
1068 dev_name(&device->device), in fw_device_init()
1069 device->config_rom[3], device->config_rom[4], in fw_device_init()
1070 1 << device->max_speed); in fw_device_init()
1071 device->config_rom_retries = 0; in fw_device_init()
1073 set_broadcast_channel(device, device->generation); in fw_device_init()
1075 add_device_randomness(&device->config_rom[3], 8); in fw_device_init()
1084 if (device->node == card->root_node) in fw_device_init()
1094 fw_device_put(device); /* fw_device_idr's reference */ in fw_device_init()
1096 put_device(&device->device); /* our reference */ in fw_device_init()
1100 static int reread_config_rom(struct fw_device *device, int generation, in reread_config_rom() argument
1107 rcode = read_rom(device, generation, i, &q); in reread_config_rom()
1115 if (q != device->config_rom[i]) { in reread_config_rom()
1127 struct fw_device *device = in fw_device_refresh() local
1129 struct fw_card *card = device->card; in fw_device_refresh()
1130 int ret, node_id = device->node_id; in fw_device_refresh()
1133 ret = reread_config_rom(device, device->generation, &changed); in fw_device_refresh()
1138 if (atomic_cmpxchg(&device->state, in fw_device_refresh()
1144 device->config_rom_retries = 0; in fw_device_refresh()
1152 device_for_each_child(&device->device, NULL, shutdown_unit); in fw_device_refresh()
1154 ret = read_config_rom(device, device->generation); in fw_device_refresh()
1158 fw_device_cdev_update(device); in fw_device_refresh()
1159 create_units(device); in fw_device_refresh()
1162 kobject_uevent(&device->device.kobj, KOBJ_CHANGE); in fw_device_refresh()
1164 if (atomic_cmpxchg(&device->state, in fw_device_refresh()
1169 fw_notice(card, "refreshed device %s\n", dev_name(&device->device)); in fw_device_refresh()
1170 device->config_rom_retries = 0; in fw_device_refresh()
1174 if (device->config_rom_retries < MAX_RETRIES && in fw_device_refresh()
1175 atomic_read(&device->state) == FW_DEVICE_INITIALIZING) { in fw_device_refresh()
1176 device->config_rom_retries++; in fw_device_refresh()
1177 fw_schedule_device_work(device, RETRY_DELAY); in fw_device_refresh()
1182 dev_name(&device->device), fw_rcode_string(ret)); in fw_device_refresh()
1184 atomic_set(&device->state, FW_DEVICE_GONE); in fw_device_refresh()
1185 device->workfn = fw_device_shutdown; in fw_device_refresh()
1186 fw_schedule_device_work(device, SHUTDOWN_DELAY); in fw_device_refresh()
1194 struct fw_device *device = container_of(to_delayed_work(work), in fw_device_workfn() local
1196 device->workfn(work); in fw_device_workfn()
1201 struct fw_device *device; in fw_node_event() local
1212 device = kzalloc(sizeof(*device), GFP_ATOMIC); in fw_node_event()
1213 if (device == NULL) in fw_node_event()
1226 atomic_set(&device->state, FW_DEVICE_INITIALIZING); in fw_node_event()
1227 device->card = fw_card_get(card); in fw_node_event()
1228 device->node = fw_node_get(node); in fw_node_event()
1229 device->node_id = node->node_id; in fw_node_event()
1230 device->generation = card->generation; in fw_node_event()
1231 device->is_local = node == card->local_node; in fw_node_event()
1232 mutex_init(&device->client_list_mutex); in fw_node_event()
1233 INIT_LIST_HEAD(&device->client_list); in fw_node_event()
1240 node->data = device; in fw_node_event()
1248 device->workfn = fw_device_init; in fw_node_event()
1249 INIT_DELAYED_WORK(&device->work, fw_device_workfn); in fw_node_event()
1250 fw_schedule_device_work(device, INITIAL_DELAY); in fw_node_event()
1255 device = node->data; in fw_node_event()
1256 if (device == NULL) in fw_node_event()
1259 device->node_id = node->node_id; in fw_node_event()
1261 device->generation = card->generation; in fw_node_event()
1262 if (atomic_cmpxchg(&device->state, in fw_node_event()
1265 device->workfn = fw_device_refresh; in fw_node_event()
1266 fw_schedule_device_work(device, in fw_node_event()
1267 device->is_local ? 0 : INITIAL_DELAY); in fw_node_event()
1272 device = node->data; in fw_node_event()
1273 if (device == NULL) in fw_node_event()
1276 device->node_id = node->node_id; in fw_node_event()
1278 device->generation = card->generation; in fw_node_event()
1279 if (atomic_read(&device->state) == FW_DEVICE_RUNNING) { in fw_node_event()
1280 device->workfn = fw_device_update; in fw_node_event()
1281 fw_schedule_device_work(device, 0); in fw_node_event()
1302 device = node->data; in fw_node_event()
1303 if (atomic_xchg(&device->state, in fw_node_event()
1305 device->workfn = fw_device_shutdown; in fw_node_event()
1306 fw_schedule_device_work(device, in fw_node_event()