24 #define to_ishtp_cl_device(d) container_of(d, struct ishtp_cl_device, dev)
36 void ishtp_recv(struct ishtp_device *dev)  in ishtp_recv()  argument
42 	msg_hdr = dev->ops->ishtp_read_hdr(dev);  in ishtp_recv()
46 	dev->ops->sync_fw_clock(dev);  in ishtp_recv()
49 	dev->ishtp_msg_hdr = msg_hdr;  in ishtp_recv()
52 	if (ishtp_hdr->length > dev->mtu) {  in ishtp_recv()
53 		dev_err(dev->devc,  in ishtp_recv()
61 		recv_hbm(dev, ishtp_hdr);  in ishtp_recv()
64 		recv_fixed_cl_msg(dev, ishtp_hdr);  in ishtp_recv()
67 		recv_ishtp_cl_msg(dev, ishtp_hdr);  in ishtp_recv()
84 int ishtp_send_msg(struct ishtp_device *dev, struct ishtp_msg_hdr *hdr,  in ishtp_send_msg()  argument
91 	drbl_val = dev->ops->ipc_get_header(dev, hdr->length +  in ishtp_send_msg()
98 	return	dev->ops->write(dev, ipc_send_compl, ipc_send_compl_prm,  in ishtp_send_msg()
113 int ishtp_write_message(struct ishtp_device *dev, struct ishtp_msg_hdr *hdr,  in ishtp_write_message()  argument
116 	return ishtp_send_msg(dev, hdr, buf, NULL, NULL);  in ishtp_write_message()
128 int ishtp_fw_cl_by_uuid(struct ishtp_device *dev, const guid_t *uuid)  in ishtp_fw_cl_by_uuid()  argument
132 	for (i = 0; i < dev->fw_clients_num; ++i) {  in ishtp_fw_cl_by_uuid()
133 		if (guid_equal(uuid, &dev->fw_clients[i].props.protocol_name))  in ishtp_fw_cl_by_uuid()
149 struct ishtp_fw_client *ishtp_fw_cl_get_client(struct ishtp_device *dev,  in ishtp_fw_cl_get_client()  argument
155 	spin_lock_irqsave(&dev->fw_clients_lock, flags);  in ishtp_fw_cl_get_client()
156 	i = ishtp_fw_cl_by_uuid(dev, uuid);  in ishtp_fw_cl_get_client()
157 	spin_unlock_irqrestore(&dev->fw_clients_lock, flags);  in ishtp_fw_cl_get_client()
158 	if (i < 0 || dev->fw_clients[i].props.fixed_address)  in ishtp_fw_cl_get_client()
161 	return &dev->fw_clients[i];  in ishtp_fw_cl_get_client()
188 int ishtp_fw_cl_by_id(struct ishtp_device *dev, uint8_t client_id)  in ishtp_fw_cl_by_id()  argument
193 	spin_lock_irqsave(&dev->fw_clients_lock, flags);  in ishtp_fw_cl_by_id()
194 	for (i = 0; i < dev->fw_clients_num; i++) {  in ishtp_fw_cl_by_id()
195 		if (dev->fw_clients[i].client_id == client_id) {  in ishtp_fw_cl_by_id()
200 	spin_unlock_irqrestore(&dev->fw_clients_lock, flags);  in ishtp_fw_cl_by_id()
213 static int ishtp_cl_device_probe(struct device *dev)  in ishtp_cl_device_probe()  argument
215 	struct ishtp_cl_device *device = to_ishtp_cl_device(dev);  in ishtp_cl_device_probe()
221 	driver = to_ishtp_cl_driver(dev->driver);  in ishtp_cl_device_probe()
239 static int ishtp_cl_bus_match(struct device *dev, struct device_driver *drv)  in ishtp_cl_bus_match()  argument
241 	struct ishtp_cl_device *device = to_ishtp_cl_device(dev);  in ishtp_cl_bus_match()
258 static void ishtp_cl_device_remove(struct device *dev)  in ishtp_cl_device_remove()  argument
260 	struct ishtp_cl_device *device = to_ishtp_cl_device(dev);  in ishtp_cl_device_remove()
261 	struct ishtp_cl_driver *driver = to_ishtp_cl_driver(dev->driver);  in ishtp_cl_device_remove()
280 static int ishtp_cl_device_suspend(struct device *dev)  in ishtp_cl_device_suspend()  argument
282 	struct ishtp_cl_device *device = to_ishtp_cl_device(dev);  in ishtp_cl_device_suspend()
289 	driver = to_ishtp_cl_driver(dev->driver);  in ishtp_cl_device_suspend()
292 			ret = driver->driver.pm->suspend(dev);  in ishtp_cl_device_suspend()
306 static int ishtp_cl_device_resume(struct device *dev)  in ishtp_cl_device_resume()  argument
308 	struct ishtp_cl_device *device = to_ishtp_cl_device(dev);  in ishtp_cl_device_resume()
315 	driver = to_ishtp_cl_driver(dev->driver);  in ishtp_cl_device_resume()
318 			ret = driver->driver.pm->resume(dev);  in ishtp_cl_device_resume()
341 	driver = to_ishtp_cl_driver(device->dev.driver);  in ishtp_cl_device_reset()
348 static ssize_t modalias_show(struct device *dev, struct device_attribute *a,  in modalias_show()  argument
353 	len = snprintf(buf, PAGE_SIZE, ISHTP_MODULE_PREFIX "%s\n", dev_name(dev));  in modalias_show()
364 static int ishtp_cl_uevent(const struct device *dev, struct kobj_uevent_env *env)  in ishtp_cl_uevent()  argument
366 	if (add_uevent_var(env, "MODALIAS=" ISHTP_MODULE_PREFIX "%s", dev_name(dev)))  in ishtp_cl_uevent()
391 static void ishtp_cl_dev_release(struct device *dev)  in ishtp_cl_dev_release()  argument
393 	kfree(to_ishtp_cl_device(dev));  in ishtp_cl_dev_release()
411 static struct ishtp_cl_device *ishtp_bus_add_device(struct ishtp_device *dev,  in ishtp_bus_add_device()  argument
418 	spin_lock_irqsave(&dev->device_list_lock, flags);  in ishtp_bus_add_device()
419 	list_for_each_entry(device, &dev->device_list, device_link) {  in ishtp_bus_add_device()
420 		if (!strcmp(name, dev_name(&device->dev))) {  in ishtp_bus_add_device()
421 			device->fw_client = &dev->fw_clients[  in ishtp_bus_add_device()
422 				dev->fw_client_presentation_num - 1];  in ishtp_bus_add_device()
423 			spin_unlock_irqrestore(&dev->device_list_lock, flags);  in ishtp_bus_add_device()
428 	spin_unlock_irqrestore(&dev->device_list_lock, flags);  in ishtp_bus_add_device()
434 	device->dev.parent = dev->devc;  in ishtp_bus_add_device()
435 	device->dev.bus = &ishtp_cl_bus_type;  in ishtp_bus_add_device()
436 	device->dev.type = &ishtp_cl_device_type;  in ishtp_bus_add_device()
437 	device->ishtp_dev = dev;  in ishtp_bus_add_device()
440 		&dev->fw_clients[dev->fw_client_presentation_num - 1];  in ishtp_bus_add_device()
442 	dev_set_name(&device->dev, "%s", name);  in ishtp_bus_add_device()
444 	spin_lock_irqsave(&dev->device_list_lock, flags);  in ishtp_bus_add_device()
445 	list_add_tail(&device->device_link, &dev->device_list);  in ishtp_bus_add_device()
446 	spin_unlock_irqrestore(&dev->device_list_lock, flags);  in ishtp_bus_add_device()
448 	status = device_register(&device->dev);  in ishtp_bus_add_device()
450 		spin_lock_irqsave(&dev->device_list_lock, flags);  in ishtp_bus_add_device()
452 		spin_unlock_irqrestore(&dev->device_list_lock, flags);  in ishtp_bus_add_device()
453 		dev_err(dev->devc, "Failed to register ISHTP client device\n");  in ishtp_bus_add_device()
454 		put_device(&device->dev);  in ishtp_bus_add_device()
474 	device_unregister(&device->dev);  in ishtp_bus_remove_device()
643 int ishtp_bus_new_client(struct ishtp_device *dev)  in ishtp_bus_new_client()  argument
656 	i = dev->fw_client_presentation_num - 1;  in ishtp_bus_new_client()
657 	device_uuid = dev->fw_clients[i].props.protocol_name;  in ishtp_bus_new_client()
662 	cl_device = ishtp_bus_add_device(dev, device_uuid, dev_name);  in ishtp_bus_new_client()
691 	spin_lock_irqsave(&cl->dev->device_list_lock, flags);  in ishtp_cl_device_bind()
692 	list_for_each_entry(cl_device, &cl->dev->device_list,  in ishtp_cl_device_bind()
701 	spin_unlock_irqrestore(&cl->dev->device_list_lock, flags);  in ishtp_cl_device_bind()
784 void ishtp_reset_handler(struct ishtp_device *dev)  in ishtp_reset_handler()  argument
789 	dev->dev_state = ISHTP_DEV_RESETTING;  in ishtp_reset_handler()
792 	spin_lock_irqsave(&dev->rd_msg_spinlock, flags);  in ishtp_reset_handler()
793 	dev->rd_msg_fifo_head = dev->rd_msg_fifo_tail = 0;  in ishtp_reset_handler()
794 	spin_unlock_irqrestore(&dev->rd_msg_spinlock, flags);  in ishtp_reset_handler()
797 	ishtp_bus_remove_all_clients(dev, true);  in ishtp_reset_handler()
808 void ishtp_reset_compl_handler(struct ishtp_device *dev)  in ishtp_reset_compl_handler()  argument
810 	dev->dev_state = ISHTP_DEV_INIT_CLIENTS;  in ishtp_reset_compl_handler()
811 	dev->hbm_state = ISHTP_HBM_START;  in ishtp_reset_compl_handler()
812 	ishtp_hbm_start_req(dev);  in ishtp_reset_compl_handler()
839 	return &device->dev;  in ishtp_device()
850 bool ishtp_wait_resume(struct ishtp_device *dev)  in ishtp_wait_resume()  argument
856 	if (dev->resume_flag)  in ishtp_wait_resume()
857 		wait_event_interruptible_timeout(dev->resume_wait,  in ishtp_wait_resume()
858 						 !dev->resume_flag,  in ishtp_wait_resume()
861 	return (!dev->resume_flag);  in ishtp_wait_resume()
901 int ish_hw_reset(struct ishtp_device *dev)  in ish_hw_reset()  argument
903 	return dev->ops->hw_reset(dev);  in ish_hw_reset()