drivers/ata/pata_octeon_cf.c

379 static void octeon_cf_tf_read16(struct ata_port *ap, struct ata_taskfile *tf)
386 	tf->error = blob >> 8;
389 	tf->nsect = blob & 0xff;
390 	tf->lbal = blob >> 8;
393 	tf->lbam = blob & 0xff;
394 	tf->lbah = blob >> 8;
397 	tf->device = blob & 0xff;
398 	tf->status = blob >> 8;
400 	if (tf->flags & ATA_TFLAG_LBA48) {
402 			iowrite8(tf->ctl | ATA_HOB, ap->ioaddr.ctl_addr);
405 			tf->hob_feature = blob >> 8;
408 			tf->hob_nsect = blob & 0xff;
409 			tf->hob_lbal = blob >> 8;
412 			tf->hob_lbam = blob & 0xff;
413 			tf->hob_lbah = blob >> 8;
415 			iowrite8(tf->ctl, ap->ioaddr.ctl_addr);
416 			ap->last_ctl = tf->ctl;
462 				const struct ata_taskfile *tf)
464 	unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR;
468 	if (tf->ctl != ap->last_ctl) {
469 		iowrite8(tf->ctl, ap->ioaddr.ctl_addr);
470 		ap->last_ctl = tf->ctl;
473 	if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) {
474 		__raw_writew(tf->hob_feature << 8, base + 0xc);
475 		__raw_writew(tf->hob_nsect | tf->hob_lbal << 8, base + 2);
476 		__raw_writew(tf->hob_lbam | tf->hob_lbah << 8, base + 4);
479 		__raw_writew(tf->feature << 8, base + 0xc);
480 		__raw_writew(tf->nsect | tf->lbal << 8, base + 2);
481 		__raw_writew(tf->lbam | tf->lbah << 8, base + 4);
498 				const struct ata_taskfile *tf)
504 	if (tf->flags & ATA_TFLAG_DEVICE)
505 		blob = tf->device;
507 	blob |= (tf->command << 8);
526 	ap->ops->sff_exec_command(ap, &qc->tf);
561 	mio_boot_dma_cfg.s.rw = ((qc->tf.flags & ATA_TFLAG_WRITE) != 0);
599 	trace_ata_bmdma_stop(ap, &qc->tf, qc->tag);
628 	if (unlikely(qc->err_mask) && (qc->tf.protocol == ATA_PROT_DMA))
663 		if (!qc || (qc->tf.flags & ATA_TFLAG_POLLING))
670 				trace_ata_bmdma_start(ap, &qc->tf, qc->tag);
736 	if (qc && (!(qc->tf.flags & ATA_TFLAG_POLLING)))
765 	switch (qc->tf.protocol) {
767 		WARN_ON(qc->tf.flags & ATA_TFLAG_POLLING);
769 		trace_ata_tf_load(ap, &qc->tf);
770 		ap->ops->sff_tf_load(ap, &qc->tf);  /* load tf registers */
771 		trace_ata_bmdma_setup(ap, &qc->tf, qc->tag);
773 		trace_ata_bmdma_start(ap, &qc->tf, qc->tag);