drivers/ata/sata_sx4.c

209 static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
210 static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf);
331 static inline unsigned int pdc20621_ata_pkt(struct ata_taskfile *tf,
348 	if ((tf->protocol == ATA_PROT_DMA) && (!(tf->flags & ATA_TFLAG_WRITE)))
350 	else if (tf->protocol == ATA_PROT_NODATA)
360 	if (tf->protocol == ATA_PROT_NODATA)
378 	buf[i++] = tf->ctl;
383 static inline void pdc20621_host_pkt(struct ata_taskfile *tf, u8 *buf,
402 	if ((tf->protocol == ATA_PROT_DMA) && (!(tf->flags & ATA_TFLAG_WRITE)))
446 	pdc20621_host_pkt(&qc->tf, &pp->dimm_buf[0], portno);
449 	i = pdc20621_ata_pkt(&qc->tf, qc->dev->devno, &pp->dimm_buf[0], portno);
451 	if (qc->tf.flags & ATA_TFLAG_LBA48)
452 		i = pdc_prep_lba48(&qc->tf, &pp->dimm_buf[0], i);
454 		i = pdc_prep_lba28(&qc->tf, &pp->dimm_buf[0], i);
456 	pdc_pkt_footer(&qc->tf, &pp->dimm_buf[0], i);
486 	i = pdc20621_ata_pkt(&qc->tf, qc->dev->devno, &pp->dimm_buf[0], portno);
488 	if (qc->tf.flags & ATA_TFLAG_LBA48)
489 		i = pdc_prep_lba48(&qc->tf, &pp->dimm_buf[0], i);
491 		i = pdc_prep_lba28(&qc->tf, &pp->dimm_buf[0], i);
493 	pdc_pkt_footer(&qc->tf, &pp->dimm_buf[0], i);
509 	switch (qc->tf.protocol) {
598 	unsigned int rw = (qc->tf.flags & ATA_TFLAG_WRITE);
610 	if (rw && qc->tf.protocol == ATA_PROT_DMA) {
635 	switch (qc->tf.protocol) {
637 		if (qc->tf.flags & ATA_TFLAG_POLLING)
666 	if ((qc->tf.protocol == ATA_PROT_DMA) &&	/* read */
667 	    (!(qc->tf.flags & ATA_TFLAG_WRITE))) {
692 	} else if (qc->tf.protocol == ATA_PROT_DMA) {	/* write */
720 	} else if (qc->tf.protocol == ATA_PROT_NODATA) {
782 			if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING)))
902 static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
904 	WARN_ON(tf->protocol == ATA_PROT_DMA ||
905 		tf->protocol == ATAPI_PROT_DMA);
906 	ata_sff_tf_load(ap, tf);
910 static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
912 	WARN_ON(tf->protocol == ATA_PROT_DMA ||
913 		tf->protocol == ATAPI_PROT_DMA);
914 	ata_sff_exec_command(ap, tf);