87 static int macii_send_request(struct adb_request *req, int sync);
88 static int macii_write(struct adb_request *req);
192 	static struct adb_request req;  in macii_queue_poll()  local
203 	adb_request(&req, NULL, ADBREQ_NOSEND, 1, ADB_READREG(next_device, 0));  in macii_queue_poll()
205 	req.sent = 0;  in macii_queue_poll()
206 	req.complete = 0;  in macii_queue_poll()
207 	req.reply_len = 0;  in macii_queue_poll()
208 	req.next = current_req;  in macii_queue_poll()
211 		current_req = &req;  in macii_queue_poll()
213 		current_req = &req;  in macii_queue_poll()
214 		last_req = &req;  in macii_queue_poll()
219 static int macii_send_request(struct adb_request *req, int sync)  in macii_send_request()  argument
223 	err = macii_write(req);  in macii_send_request()
228 		while (!req->complete)  in macii_send_request()
235 static int macii_write(struct adb_request *req)  in macii_write()  argument
239 	if (req->nbytes < 2 || req->data[0] != ADB_PACKET || req->nbytes > 15) {  in macii_write()
240 		req->complete = 1;  in macii_write()
244 	req->next = NULL;  in macii_write()
245 	req->sent = 0;  in macii_write()
246 	req->complete = 0;  in macii_write()
247 	req->reply_len = 0;  in macii_write()
252 		last_req->next = req;  in macii_write()
253 		last_req = req;  in macii_write()
255 		current_req = req;  in macii_write()
256 		last_req = req;  in macii_write()
269 	static struct adb_request req;  in macii_autopoll()  local
285 		adb_request(&req, NULL, ADBREQ_NOSEND, 1,  in macii_autopoll()
287 		err = macii_write(&req);  in macii_autopoll()
314 	static struct adb_request req;  in macii_reset_bus()  local
317 	adb_request(&req, NULL, ADBREQ_NOSEND, 1, ADB_BUSRESET);  in macii_reset_bus()
318 	macii_send_request(&req, 1);  in macii_reset_bus()
329 	struct adb_request *req;  in macii_start()  local
331 	req = current_req;  in macii_start()
339 	command_byte = req->data[1];  in macii_start()
343 	via[SR] = req->data[1];  in macii_start()
370 	struct adb_request *req;  in macii_interrupt()  local
417 		req = current_req;  in macii_interrupt()
418 		if (data_index >= req->nbytes) {  in macii_interrupt()
419 			req->sent = 1;  in macii_interrupt()
422 			if (req->reply_expected) {  in macii_interrupt()
425 				req->complete = 1;  in macii_interrupt()
426 				current_req = req->next;  in macii_interrupt()
427 				if (req->done)  in macii_interrupt()
428 					(*req->done)(req);  in macii_interrupt()
444 			via[SR] = req->data[data_index++];  in macii_interrupt()
502 			req = current_req;  in macii_interrupt()
503 			req->reply_len = reply_len;  in macii_interrupt()
504 			req->complete = 1;  in macii_interrupt()
505 			current_req = req->next;  in macii_interrupt()
506 			if (req->done)  in macii_interrupt()
507 				(*req->done)(req);  in macii_interrupt()