93 static int macii_send_request(struct adb_request *req, int sync);
94 static int macii_write(struct adb_request *req);
188 	static struct adb_request req;  in macii_queue_poll()  local
223 	adb_request(&req, NULL, ADBREQ_NOSEND, 1, poll_command);  in macii_queue_poll()
225 	req.sent = 0;  in macii_queue_poll()
226 	req.complete = 0;  in macii_queue_poll()
227 	req.reply_len = 0;  in macii_queue_poll()
228 	req.next = current_req;  in macii_queue_poll()
231 		current_req = &req;  in macii_queue_poll()
233 		current_req = &req;  in macii_queue_poll()
234 		last_req = &req;  in macii_queue_poll()
239 static int macii_send_request(struct adb_request *req, int sync)  in macii_send_request()  argument
243 	err = macii_write(req);  in macii_send_request()
248 		while (!req->complete)  in macii_send_request()
255 static int macii_write(struct adb_request *req)  in macii_write()  argument
259 	if (req->nbytes < 2 || req->data[0] != ADB_PACKET || req->nbytes > 15) {  in macii_write()
260 		req->complete = 1;  in macii_write()
264 	req->next = NULL;  in macii_write()
265 	req->sent = 0;  in macii_write()
266 	req->complete = 0;  in macii_write()
267 	req->reply_len = 0;  in macii_write()
272 		last_req->next = req;  in macii_write()
273 		last_req = req;  in macii_write()
275 		current_req = req;  in macii_write()
276 		last_req = req;  in macii_write()
316 	struct adb_request req;  in macii_reset_bus()  local
319 	adb_request(&req, NULL, ADBREQ_NOSEND, 1, ADB_BUSRESET);  in macii_reset_bus()
320 	macii_send_request(&req, 1);  in macii_reset_bus()
331 	struct adb_request *req;  in macii_start()  local
333 	req = current_req;  in macii_start()
343 	via[SR] = req->data[1];  in macii_start()
375 	struct adb_request *req;  in macii_interrupt()  local
422 		req = current_req;  in macii_interrupt()
430 			last_cmd = req->data[1];  in macii_interrupt()
453 		} else if (data_index >= req->nbytes) {  in macii_interrupt()
454 			req->sent = 1;  in macii_interrupt()
456 			if (req->reply_expected) {  in macii_interrupt()
460 				reply_ptr = req->reply;  in macii_interrupt()
461 				*reply_ptr = req->data[1];  in macii_interrupt()
466 			} else if ((req->data[1] & OP_MASK) == TALK) {  in macii_interrupt()
471 				*reply_ptr = req->data[1];  in macii_interrupt()
477 				req->complete = 1;  in macii_interrupt()
478 				current_req = req->next;  in macii_interrupt()
479 				if (req->done)  in macii_interrupt()
480 					(*req->done)(req);  in macii_interrupt()
484 				req->complete = 1;  in macii_interrupt()
485 				current_req = req->next;  in macii_interrupt()
486 				if (req->done)  in macii_interrupt()
487 					(*req->done)(req);  in macii_interrupt()
491 			via[SR] = req->data[data_index++];  in macii_interrupt()
520 					struct adb_request *req = current_req;  in macii_interrupt()  local
522 					req->reply_len = reply_len;  in macii_interrupt()
524 					req->complete = 1;  in macii_interrupt()
525 					current_req = req->next;  in macii_interrupt()
526 					if (req->done)  in macii_interrupt()
527 						(*req->done)(req);  in macii_interrupt()