196 	struct cyapa_fifo rfifo;	/* device->host */  member
334 	if (sc->data_signal || !fifo_empty(sc, &sc->rfifo)) {  in cyapa_notify()
705 	if (fifo_empty(sc, &sc->rfifo) &&  in cyaparead()
777 		fifo_write_char(sc, &sc->rfifo, c0);  in cyaparead()
778 		fifo_write_char(sc, &sc->rfifo, (uint8_t)delta_x);  in cyaparead()
779 		fifo_write_char(sc, &sc->rfifo, (uint8_t)delta_y);  in cyaparead()
783 			fifo_write_char(sc, &sc->rfifo, (uint8_t)delta_z);  in cyaparead()
795 			fifo_write_char(sc, &sc->rfifo, c0);  in cyaparead()
808 	while ((ioflag & IO_NDELAY) == 0 && fifo_empty(sc, &sc->rfifo)) {  in cyaparead()
819 	    (n = fifo_ready(sc, &sc->rfifo)) > 0) {  in cyaparead()
822 		ptr = fifo_read(sc, &sc->rfifo, 0);  in cyaparead()
828 		fifo_read(sc, &sc->rfifo, n);  in cyaparead()
877 			fifo_write_char(sc, &sc->rfifo, 0xFA);  in cyapawrite()
882 			fifo_write_char(sc, &sc->rfifo, 0xFA);  in cyapawrite()
888 				fifo_write_char(sc, &sc->rfifo, 0xFA);  in cyapawrite()
895 			fifo_write_char(sc, &sc->rfifo, 0xFA);  in cyapawrite()
927 			fifo_write_char(sc, &sc->rfifo, 0xFA);  in cyapawrite()
928 			fifo_write_char(sc, &sc->rfifo, c0);  in cyapawrite()
929 			fifo_write_char(sc, &sc->rfifo, 0x00);  in cyapawrite()
930 			fifo_write_char(sc, &sc->rfifo, 100);  in cyapawrite()
935 			fifo_write_char(sc, &sc->rfifo, 0xFA);  in cyapawrite()
945 			fifo_write_char(sc, &sc->rfifo, 0xFA);  in cyapawrite()
950 			fifo_write_char(sc, &sc->rfifo, 0xFA);  in cyapawrite()
954 			fifo_write_char(sc, &sc->rfifo, 0xFA);  in cyapawrite()
959 			fifo_write_char(sc, &sc->rfifo, 0xFA);  in cyapawrite()
977 			fifo_write_char(sc, &sc->rfifo, 0xFA);  in cyapawrite()
980 				fifo_write_char(sc, &sc->rfifo, 0x03);  in cyapawrite()
983 				fifo_write_char(sc, &sc->rfifo, 0x04);  in cyapawrite()
986 				fifo_write_char(sc, &sc->rfifo, 0x00);  in cyapawrite()
1001 				fifo_write_char(sc, &sc->rfifo, 0xFA);  in cyapawrite()
1008 			fifo_write_char(sc, &sc->rfifo, 0xFA);  in cyapawrite()
1032 			fifo_write_char(sc, &sc->rfifo, 0xFA);  in cyapawrite()
1040 			fifo_write_char(sc, &sc->rfifo, 0xFA);  in cyapawrite()
1050 			fifo_write_char(sc, &sc->rfifo, 0xFA);  in cyapawrite()
1068 			fifo_write_char(sc, &sc->rfifo, 0xFA);  in cyapawrite()
1075 			fifo_reset(sc, &sc->rfifo);	/* should we do this? */  in cyapawrite()
1077 			fifo_write_char(sc, &sc->rfifo, 0xFA);  in cyapawrite()
1142 		if (sc->data_signal || !fifo_empty(sc, &sc->rfifo))  in cyapapoll()
1175 	ready = fifo_ready(sc, &sc->rfifo) || sc->data_signal;  in cyapafilt()