157 	int (*get_status)(struct rave_sp *sp, struct rave_sp_status *);
210 	struct rave_sp *sp = dev_get_drvdata(dev->parent);  in rave_sp_unregister_event_notifier()  local
212 	struct blocking_notifier_head *bnh = &sp->event_notifier_list;  in rave_sp_unregister_event_notifier()
220 	struct rave_sp *sp = dev_get_drvdata(dev->parent);  in devm_rave_sp_register_event_notifier()  local
229 	ret = blocking_notifier_chain_register(&sp->event_notifier_list, nb);  in devm_rave_sp_register_event_notifier()
282 static int rave_sp_write(struct rave_sp *sp, const u8 *data, u8 data_size)  in rave_sp_write()  argument
284 	const size_t checksum_length = sp->variant->checksum->length;  in rave_sp_write()
296 	sp->variant->checksum->subroutine(data, data_size, crc);  in rave_sp_write()
308 	return serdev_device_write(sp->serdev, frame, length, HZ);  in rave_sp_write()
342 int rave_sp_exec(struct rave_sp *sp,  in rave_sp_exec()  argument
355 	command = sp->variant->cmd.translate(data[0]);  in rave_sp_exec()
359 	ackid       = atomic_inc_return(&sp->ackid);  in rave_sp_exec()
363 	mutex_lock(&sp->bus_lock);  in rave_sp_exec()
365 	mutex_lock(&sp->reply_lock);  in rave_sp_exec()
366 	sp->reply = &reply;  in rave_sp_exec()
367 	mutex_unlock(&sp->reply_lock);  in rave_sp_exec()
372 	rave_sp_write(sp, data, data_size);  in rave_sp_exec()
375 		dev_err(&sp->serdev->dev, "Command timeout\n");  in rave_sp_exec()
378 		mutex_lock(&sp->reply_lock);  in rave_sp_exec()
379 		sp->reply = NULL;  in rave_sp_exec()
380 		mutex_unlock(&sp->reply_lock);  in rave_sp_exec()
383 	mutex_unlock(&sp->bus_lock);  in rave_sp_exec()
388 static void rave_sp_receive_event(struct rave_sp *sp,  in rave_sp_receive_event()  argument
396 	rave_sp_write(sp, cmd, sizeof(cmd));  in rave_sp_receive_event()
398 	blocking_notifier_call_chain(&sp->event_notifier_list,  in rave_sp_receive_event()
403 static void rave_sp_receive_reply(struct rave_sp *sp,  in rave_sp_receive_reply()  argument
406 	struct device *dev = &sp->serdev->dev;  in rave_sp_receive_reply()
410 	mutex_lock(&sp->reply_lock);  in rave_sp_receive_reply()
411 	reply = sp->reply;  in rave_sp_receive_reply()
422 			sp->reply = NULL;  in rave_sp_receive_reply()
434 	mutex_unlock(&sp->reply_lock);  in rave_sp_receive_reply()
437 static void rave_sp_receive_frame(struct rave_sp *sp,  in rave_sp_receive_frame()  argument
441 	const size_t checksum_length = sp->variant->checksum->length;  in rave_sp_receive_frame()
444 	struct device *dev           = &sp->serdev->dev;  in rave_sp_receive_frame()
460 	sp->variant->checksum->subroutine(data, payload_length,  in rave_sp_receive_frame()
469 		rave_sp_receive_event(sp, data, length);  in rave_sp_receive_frame()
471 		rave_sp_receive_reply(sp, data, length);  in rave_sp_receive_frame()
478 	struct rave_sp *sp = dev_get_drvdata(dev);  in rave_sp_receive_buf()  local
479 	struct rave_sp_deframer *deframer = &sp->deframer;  in rave_sp_receive_buf()
498 				rave_sp_receive_frame(sp,  in rave_sp_receive_buf()
664 static int rave_sp_rdu1_get_status(struct rave_sp *sp,  in rave_sp_rdu1_get_status()  argument
672 	return rave_sp_exec(sp, cmd, sizeof(cmd), status, sizeof(*status));  in rave_sp_rdu1_get_status()
675 static int rave_sp_emulated_get_status(struct rave_sp *sp,  in rave_sp_emulated_get_status()  argument
684 	ret = rave_sp_exec(sp, cmd, sizeof(cmd), &status->firmware_version,  in rave_sp_emulated_get_status()
690 	return rave_sp_exec(sp, cmd, sizeof(cmd), &status->bootloader_version,  in rave_sp_emulated_get_status()
694 static int rave_sp_get_status(struct rave_sp *sp)  in rave_sp_get_status()  argument
696 	struct device *dev = &sp->serdev->dev;  in rave_sp_get_status()
701 	ret = sp->variant->cmd.get_status(sp, &status);  in rave_sp_get_status()
709 	sp->part_number_firmware = version;  in rave_sp_get_status()
715 	sp->part_number_bootloader = version;  in rave_sp_get_status()
772 	struct rave_sp *sp;  in rave_sp_probe()  local
782 	sp = devm_kzalloc(dev, sizeof(*sp), GFP_KERNEL);  in rave_sp_probe()
783 	if (!sp)  in rave_sp_probe()
786 	sp->serdev = serdev;  in rave_sp_probe()
787 	dev_set_drvdata(dev, sp);  in rave_sp_probe()
789 	sp->variant = of_device_get_match_data(dev);  in rave_sp_probe()
790 	if (!sp->variant)  in rave_sp_probe()
793 	mutex_init(&sp->bus_lock);  in rave_sp_probe()
794 	mutex_init(&sp->reply_lock);  in rave_sp_probe()
795 	BLOCKING_INIT_NOTIFIER_HEAD(&sp->event_notifier_list);  in rave_sp_probe()
811 	ret = rave_sp_get_status(sp);  in rave_sp_probe()
814 		sp->part_number_firmware   = unknown;  in rave_sp_probe()
815 		sp->part_number_bootloader = unknown;  in rave_sp_probe()
822 	dev_info(dev, "Firmware version: %s",   sp->part_number_firmware);  in rave_sp_probe()
823 	dev_info(dev, "Bootloader version: %s", sp->part_number_bootloader);  in rave_sp_probe()