142 static enum ata_completion_errors pdc_qc_prep(struct ata_queued_cmd *qc);
145 static int pdc_check_atapi_dma(struct ata_queued_cmd *qc);
146 static int pdc_old_sata_check_atapi_dma(struct ata_queued_cmd *qc);
148 static unsigned int pdc_qc_issue(struct ata_queued_cmd *qc);
158 static void pdc_post_internal_cmd(struct ata_queued_cmd *qc);
479 static void pdc_atapi_pkt(struct ata_queued_cmd *qc)  in pdc_atapi_pkt()  argument
481 	struct ata_port *ap = qc->ap;  in pdc_atapi_pkt()
483 	unsigned int cdb_len = qc->dev->cdb_len;  in pdc_atapi_pkt()
484 	u8 *cdb = qc->cdb;  in pdc_atapi_pkt()
493 	switch (qc->tf.protocol) {  in pdc_atapi_pkt()
495 		if (!(qc->tf.flags & ATA_TFLAG_WRITE))  in pdc_atapi_pkt()
514 		dev_sel = qc->tf.device;  in pdc_atapi_pkt()
522 	buf[17] = qc->tf.nsect;  in pdc_atapi_pkt()
524 	buf[19] = qc->tf.lbal;  in pdc_atapi_pkt()
527 	if (qc->tf.protocol != ATAPI_PROT_DMA)  in pdc_atapi_pkt()
535 	buf[23] = qc->tf.lbam;  in pdc_atapi_pkt()
537 	buf[25] = qc->tf.lbah;  in pdc_atapi_pkt()
541 	buf[27] = qc->tf.command;  in pdc_atapi_pkt()
567 static void pdc_fill_sg(struct ata_queued_cmd *qc)  in pdc_fill_sg()  argument
569 	struct ata_port *ap = qc->ap;  in pdc_fill_sg()
576 	if (!(qc->flags & ATA_QCFLAG_DMAMAP))  in pdc_fill_sg()
580 	for_each_sg(qc->sg, sg, qc->n_elem, si) {  in pdc_fill_sg()
630 static enum ata_completion_errors pdc_qc_prep(struct ata_queued_cmd *qc)  in pdc_qc_prep()  argument
632 	struct pdc_port_priv *pp = qc->ap->private_data;  in pdc_qc_prep()
637 	switch (qc->tf.protocol) {  in pdc_qc_prep()
639 		pdc_fill_sg(qc);  in pdc_qc_prep()
642 		i = pdc_pkt_header(&qc->tf, qc->ap->bmdma_prd_dma,  in pdc_qc_prep()
643 				   qc->dev->devno, pp->pkt);  in pdc_qc_prep()
644 		if (qc->tf.flags & ATA_TFLAG_LBA48)  in pdc_qc_prep()
645 			i = pdc_prep_lba48(&qc->tf, pp->pkt, i);  in pdc_qc_prep()
647 			i = pdc_prep_lba28(&qc->tf, pp->pkt, i);  in pdc_qc_prep()
648 		pdc_pkt_footer(&qc->tf, pp->pkt, i);  in pdc_qc_prep()
651 		pdc_fill_sg(qc);  in pdc_qc_prep()
654 		pdc_fill_sg(qc);  in pdc_qc_prep()
657 		pdc_atapi_pkt(qc);  in pdc_qc_prep()
828 static void pdc_post_internal_cmd(struct ata_queued_cmd *qc)  in pdc_post_internal_cmd()  argument
830 	struct ata_port *ap = qc->ap;  in pdc_post_internal_cmd()
833 	if (qc->flags & ATA_QCFLAG_FAILED)  in pdc_post_internal_cmd()
837 static void pdc_error_intr(struct ata_port *ap, struct ata_queued_cmd *qc,  in pdc_error_intr()  argument
864 	qc->err_mask |= ac_err_mask;  in pdc_error_intr()
872 				  struct ata_queued_cmd *qc)  in pdc_host_intr()  argument
885 		pdc_error_intr(ap, qc, port_status, err_mask);  in pdc_host_intr()
889 	switch (qc->tf.protocol) {  in pdc_host_intr()
894 		qc->err_mask |= ac_err_mask(ata_wait_idle(ap));  in pdc_host_intr()
895 		ata_qc_complete(qc);  in pdc_host_intr()
984 			struct ata_queued_cmd *qc;  in pdc_interrupt()  local
986 			qc = ata_qc_from_tag(ap, ap->link.active_tag);  in pdc_interrupt()
987 			if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING)))  in pdc_interrupt()
988 				handled += pdc_host_intr(ap, qc);  in pdc_interrupt()
999 static void pdc_packet_start(struct ata_queued_cmd *qc)  in pdc_packet_start()  argument
1001 	struct ata_port *ap = qc->ap;  in pdc_packet_start()
1019 static unsigned int pdc_qc_issue(struct ata_queued_cmd *qc)  in pdc_qc_issue()  argument
1021 	switch (qc->tf.protocol) {  in pdc_qc_issue()
1023 		if (qc->dev->flags & ATA_DFLAG_CDB_INTR)  in pdc_qc_issue()
1027 		if (qc->tf.flags & ATA_TFLAG_POLLING)  in pdc_qc_issue()
1032 		pdc_packet_start(qc);  in pdc_qc_issue()
1037 	return ata_sff_qc_issue(qc);  in pdc_qc_issue()
1053 static int pdc_check_atapi_dma(struct ata_queued_cmd *qc)  in pdc_check_atapi_dma()  argument
1055 	u8 *scsicmd = qc->scsicmd->cmnd;  in pdc_check_atapi_dma()
1083 static int pdc_old_sata_check_atapi_dma(struct ata_queued_cmd *qc)  in pdc_old_sata_check_atapi_dma()  argument