196 		struct ata_queued_cmd *qc;  member
208 static enum ata_completion_errors pdc20621_qc_prep(struct ata_queued_cmd *qc);
222 static unsigned int pdc20621_qc_issue(struct ata_queued_cmd *qc);
225 static void pdc_post_internal_cmd(struct ata_queued_cmd *qc);
226 static int pdc_check_atapi_dma(struct ata_queued_cmd *qc);
414 static void pdc20621_dma_prep(struct ata_queued_cmd *qc)  in pdc20621_dma_prep()  argument
417 	struct ata_port *ap = qc->ap;  in pdc20621_dma_prep()
425 	WARN_ON(!(qc->flags & ATA_QCFLAG_DMAMAP));  in pdc20621_dma_prep()
434 	for_each_sg(qc->sg, sg, qc->n_elem, si) {  in pdc20621_dma_prep()
446 	pdc20621_host_pkt(&qc->tf, &pp->dimm_buf[0], portno);  in pdc20621_dma_prep()
449 	i = pdc20621_ata_pkt(&qc->tf, qc->dev->devno, &pp->dimm_buf[0], portno);  in pdc20621_dma_prep()
451 	if (qc->tf.flags & ATA_TFLAG_LBA48)  in pdc20621_dma_prep()
452 		i = pdc_prep_lba48(&qc->tf, &pp->dimm_buf[0], i);  in pdc20621_dma_prep()
454 		i = pdc_prep_lba28(&qc->tf, &pp->dimm_buf[0], i);  in pdc20621_dma_prep()
456 	pdc_pkt_footer(&qc->tf, &pp->dimm_buf[0], i);  in pdc20621_dma_prep()
474 static void pdc20621_nodata_prep(struct ata_queued_cmd *qc)  in pdc20621_nodata_prep()  argument
476 	struct ata_port *ap = qc->ap;  in pdc20621_nodata_prep()
486 	i = pdc20621_ata_pkt(&qc->tf, qc->dev->devno, &pp->dimm_buf[0], portno);  in pdc20621_nodata_prep()
488 	if (qc->tf.flags & ATA_TFLAG_LBA48)  in pdc20621_nodata_prep()
489 		i = pdc_prep_lba48(&qc->tf, &pp->dimm_buf[0], i);  in pdc20621_nodata_prep()
491 		i = pdc_prep_lba28(&qc->tf, &pp->dimm_buf[0], i);  in pdc20621_nodata_prep()
493 	pdc_pkt_footer(&qc->tf, &pp->dimm_buf[0], i);  in pdc20621_nodata_prep()
507 static enum ata_completion_errors pdc20621_qc_prep(struct ata_queued_cmd *qc)  in pdc20621_qc_prep()  argument
509 	switch (qc->tf.protocol) {  in pdc20621_qc_prep()
511 		pdc20621_dma_prep(qc);  in pdc20621_qc_prep()
514 		pdc20621_nodata_prep(qc);  in pdc20621_qc_prep()
523 static void __pdc20621_push_hdma(struct ata_queued_cmd *qc,  in __pdc20621_push_hdma()  argument
527 	struct ata_port *ap = qc->ap;  in __pdc20621_push_hdma()
541 static void pdc20621_push_hdma(struct ata_queued_cmd *qc,  in pdc20621_push_hdma()  argument
545 	struct ata_port *ap = qc->ap;  in pdc20621_push_hdma()
550 		__pdc20621_push_hdma(qc, seq, pkt_ofs);  in pdc20621_push_hdma()
555 	pp->hdma[idx].qc = qc;  in pdc20621_push_hdma()
561 static void pdc20621_pop_hdma(struct ata_queued_cmd *qc)  in pdc20621_pop_hdma()  argument
563 	struct ata_port *ap = qc->ap;  in pdc20621_pop_hdma()
573 	__pdc20621_push_hdma(pp->hdma[idx].qc, pp->hdma[idx].seq,  in pdc20621_pop_hdma()
578 static void pdc20621_dump_hdma(struct ata_queued_cmd *qc)  in pdc20621_dump_hdma()  argument
580 	struct ata_port *ap = qc->ap;  in pdc20621_dump_hdma()
592 static void pdc20621_packet_start(struct ata_queued_cmd *qc)  in pdc20621_packet_start()  argument
594 	struct ata_port *ap = qc->ap;  in pdc20621_packet_start()
598 	unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE);  in pdc20621_packet_start()
610 	if (rw && qc->tf.protocol == ATA_PROT_DMA) {  in pdc20621_packet_start()
613 		pdc20621_dump_hdma(qc);  in pdc20621_packet_start()
614 		pdc20621_push_hdma(qc, seq, port_ofs + PDC_DIMM_HOST_PKT);  in pdc20621_packet_start()
633 static unsigned int pdc20621_qc_issue(struct ata_queued_cmd *qc)  in pdc20621_qc_issue()  argument
635 	switch (qc->tf.protocol) {  in pdc20621_qc_issue()
637 		if (qc->tf.flags & ATA_TFLAG_POLLING)  in pdc20621_qc_issue()
641 		pdc20621_packet_start(qc);  in pdc20621_qc_issue()
652 	return ata_sff_qc_issue(qc);  in pdc20621_qc_issue()
656 					  struct ata_queued_cmd *qc,  in pdc20621_host_intr()  argument
666 	if ((qc->tf.protocol == ATA_PROT_DMA) &&	/* read */  in pdc20621_host_intr()
667 	    (!(qc->tf.flags & ATA_TFLAG_WRITE))) {  in pdc20621_host_intr()
674 			qc->err_mask |= ac_err_mask(ata_wait_idle(ap));  in pdc20621_host_intr()
675 			ata_qc_complete(qc);  in pdc20621_host_intr()
676 			pdc20621_pop_hdma(qc);  in pdc20621_host_intr()
686 			pdc20621_dump_hdma(qc);  in pdc20621_host_intr()
687 			pdc20621_push_hdma(qc, seq,  in pdc20621_host_intr()
692 	} else if (qc->tf.protocol == ATA_PROT_DMA) {	/* write */  in pdc20621_host_intr()
713 			qc->err_mask |= ac_err_mask(ata_wait_idle(ap));  in pdc20621_host_intr()
714 			ata_qc_complete(qc);  in pdc20621_host_intr()
715 			pdc20621_pop_hdma(qc);  in pdc20621_host_intr()
720 	} else if (qc->tf.protocol == ATA_PROT_NODATA) {  in pdc20621_host_intr()
724 		qc->err_mask |= ac_err_mask(status);  in pdc20621_host_intr()
725 		ata_qc_complete(qc);  in pdc20621_host_intr()
779 			struct ata_queued_cmd *qc;  in pdc20621_interrupt()  local
781 			qc = ata_qc_from_tag(ap, ap->link.active_tag);  in pdc20621_interrupt()
782 			if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING)))  in pdc20621_interrupt()
783 				handled += pdc20621_host_intr(ap, qc, (i > 4),  in pdc20621_interrupt()
863 static void pdc_post_internal_cmd(struct ata_queued_cmd *qc)  in pdc_post_internal_cmd()  argument
865 	struct ata_port *ap = qc->ap;  in pdc_post_internal_cmd()
868 	if (qc->flags & ATA_QCFLAG_EH)  in pdc_post_internal_cmd()
872 static int pdc_check_atapi_dma(struct ata_queued_cmd *qc)  in pdc_check_atapi_dma()  argument
874 	u8 *scsicmd = qc->scsicmd->cmnd;  in pdc_check_atapi_dma()