488 static struct parport_ip32_dma_data parport_ip32_dma;  variable
501 	spin_lock_irqsave(&parport_ip32_dma.lock, flags);  in parport_ip32_dma_setup_context()
502 	if (parport_ip32_dma.left > 0) {  in parport_ip32_dma_setup_context()
506 		volatile u64 __iomem *ctxreg = (parport_ip32_dma.ctx == 0) ?  in parport_ip32_dma_setup_context()
511 		if (parport_ip32_dma.left <= limit) {  in parport_ip32_dma_setup_context()
512 			count = parport_ip32_dma.left;  in parport_ip32_dma_setup_context()
522 			 (unsigned int)parport_ip32_dma.buf,  in parport_ip32_dma_setup_context()
523 			 (unsigned int)parport_ip32_dma.next,  in parport_ip32_dma_setup_context()
525 			 parport_ip32_dma.ctx, ctxval ? "*" : "");  in parport_ip32_dma_setup_context()
527 		ctxval |= parport_ip32_dma.next &  in parport_ip32_dma_setup_context()
532 		parport_ip32_dma.next += count;  in parport_ip32_dma_setup_context()
533 		parport_ip32_dma.left -= count;  in parport_ip32_dma_setup_context()
534 		parport_ip32_dma.ctx ^= 1U;  in parport_ip32_dma_setup_context()
539 	if (parport_ip32_dma.left == 0 && parport_ip32_dma.irq_on) {  in parport_ip32_dma_setup_context()
543 		parport_ip32_dma.irq_on = 0;  in parport_ip32_dma_setup_context()
545 	spin_unlock_irqrestore(&parport_ip32_dma.lock, flags);  in parport_ip32_dma_setup_context()
555 	if (parport_ip32_dma.left)  in parport_ip32_dma_interrupt()
556 		pr_trace(NULL, "(%d): ctx=%d", irq, parport_ip32_dma.ctx);  in parport_ip32_dma_interrupt()
595 	if (!parport_ip32_dma.irq_on) {  in parport_ip32_dma_start()
599 		parport_ip32_dma.irq_on = 1;  in parport_ip32_dma_start()
603 	parport_ip32_dma.dir = dir;  in parport_ip32_dma_start()
604 	parport_ip32_dma.buf = dma_map_single(NULL, addr, count, dir);  in parport_ip32_dma_start()
605 	parport_ip32_dma.len = count;  in parport_ip32_dma_start()
606 	parport_ip32_dma.next = parport_ip32_dma.buf;  in parport_ip32_dma_start()
607 	parport_ip32_dma.left = parport_ip32_dma.len;  in parport_ip32_dma_start()
608 	parport_ip32_dma.ctx = 0;  in parport_ip32_dma_start()
615 		(parport_ip32_dma.next & (MACEPAR_CONTEXT_DATA_BOUND - 1));  in parport_ip32_dma_start()
643 	spin_lock_irq(&parport_ip32_dma.lock);  in parport_ip32_dma_stop()
644 	if (parport_ip32_dma.irq_on) {  in parport_ip32_dma_stop()
648 		parport_ip32_dma.irq_on = 0;  in parport_ip32_dma_stop()
650 	spin_unlock_irq(&parport_ip32_dma.lock);  in parport_ip32_dma_stop()
678 	parport_ip32_dma.left += res[0] + res[1];  in parport_ip32_dma_stop()
686 	parport_ip32_dma.irq_on = 1;  in parport_ip32_dma_stop()
688 	dma_unmap_single(NULL, parport_ip32_dma.buf, parport_ip32_dma.len,  in parport_ip32_dma_stop()
689 			 parport_ip32_dma.dir);  in parport_ip32_dma_stop()
699 	return parport_ip32_dma.left;  in parport_ip32_dma_get_residue()
711 	spin_lock_init(&parport_ip32_dma.lock);  in parport_ip32_dma_register()
712 	parport_ip32_dma.irq_on = 1;  in parport_ip32_dma_register()