594 	if(bus_dmamem_alloc(dmatag, (void *)&(sc->copper_queue),   in ips_copperhead_queue_init()
599 	bzero(sc->copper_queue, sizeof(ips_copper_queue_t));  in ips_copperhead_queue_init()
600 	sc->copper_queue->dmatag = dmatag;  in ips_copperhead_queue_init()
601 	sc->copper_queue->dmamap = dmamap;  in ips_copperhead_queue_init()
602 	sc->copper_queue->nextstatus = 1;  in ips_copperhead_queue_init()
604 			&(sc->copper_queue->status[0]), IPS_MAX_CMD_NUM * 4,   in ips_copperhead_queue_init()
605 			ips_copperhead_queue_callback, sc->copper_queue,   in ips_copperhead_queue_init()
607 	if(sc->copper_queue->base_phys_addr == 0){  in ips_copperhead_queue_init()
611 	ips_write_4(sc, COPPER_REG_SQSR, sc->copper_queue->base_phys_addr);  in ips_copperhead_queue_init()
612 	ips_write_4(sc, COPPER_REG_SQER, sc->copper_queue->base_phys_addr +   in ips_copperhead_queue_init()
614 	ips_write_4(sc, COPPER_REG_SQHR, sc->copper_queue->base_phys_addr + 4);  in ips_copperhead_queue_init()
615 	ips_write_4(sc, COPPER_REG_SQTR, sc->copper_queue->base_phys_addr);  in ips_copperhead_queue_init()
620 	if (sc->copper_queue != NULL)  in ips_copperhead_queue_init()
621 		bus_dmamem_free(dmatag, sc->copper_queue, dmamap);  in ips_copperhead_queue_init()
687 	int statnum = sc->copper_queue->nextstatus++;  in ips_copperhead_cmd_status()
688 	if(sc->copper_queue->nextstatus == IPS_MAX_CMD_NUM)  in ips_copperhead_cmd_status()
689 		sc->copper_queue->nextstatus = 0;  in ips_copperhead_cmd_status()
690 	value = sc->copper_queue->status[statnum];  in ips_copperhead_cmd_status()
691 	ips_write_4(sc, COPPER_REG_SQTR, sc->copper_queue->base_phys_addr +   in ips_copperhead_cmd_status()