502 static int piix_port_start(struct ata_port *ap)  in piix_port_start()  argument
504 	if (!(ap->flags & PIIX_FLAG_PIO16))  in piix_port_start()
505 		ap->pflags |= ATA_PFLAG_PIO32 | ATA_PFLAG_PIO32CHANGE;  in piix_port_start()
507 	return ata_bmdma_port_start(ap);  in piix_port_start()
521 static int ich_pata_cable_detect(struct ata_port *ap)  in ich_pata_cable_detect()  argument
523 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);  in ich_pata_cable_detect()
524 	struct piix_host_priv *hpriv = ap->host->private_data;  in ich_pata_cable_detect()
539 	mask = ap->port_no == 0 ? PIIX_80C_PRI : PIIX_80C_SEC;  in ich_pata_cable_detect()
555 	struct ata_port *ap = link->ap;  in piix_pata_prereset()  local
556 	struct pci_dev *pdev = to_pci_dev(ap->host->dev);  in piix_pata_prereset()
558 	if (!pci_test_config_bits(pdev, &piix_enable_bits[ap->port_no]))  in piix_pata_prereset()
565 static void piix_set_timings(struct ata_port *ap, struct ata_device *adev,  in piix_set_timings()  argument
568 	struct pci_dev *dev	= to_pci_dev(ap->host->dev);  in piix_set_timings()
571 	unsigned int master_port= ap->port_no ? 0x42 : 0x40;  in piix_set_timings()
618 		slave_data &= (ap->port_no ? 0x0f : 0xf0);  in piix_set_timings()
621 						<< (ap->port_no ? 4 : 0);  in piix_set_timings()
642 	if (ap->udma_mask) {  in piix_set_timings()
644 		udma_enable &= ~(1 << (2 * ap->port_no + adev->devno));  in piix_set_timings()
662 static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev)  in piix_set_piomode()  argument
664 	piix_set_timings(ap, adev, adev->pio_mode - XFER_PIO_0);  in piix_set_piomode()
679 static void do_pata_set_dmamode(struct ata_port *ap, struct ata_device *adev, int isich)  in do_pata_set_dmamode()  argument
681 	struct pci_dev *dev	= to_pci_dev(ap->host->dev);  in do_pata_set_dmamode()
684 	int devid		= adev->devno + 2 * ap->port_no;  in do_pata_set_dmamode()
742 		piix_set_timings(ap, adev, pio);  in do_pata_set_dmamode()
757 static void piix_set_dmamode(struct ata_port *ap, struct ata_device *adev)  in piix_set_dmamode()  argument
759 	do_pata_set_dmamode(ap, adev, 0);  in piix_set_dmamode()
773 static void ich_set_dmamode(struct ata_port *ap, struct ata_device *adev)  in ich_set_dmamode()  argument
775 	do_pata_set_dmamode(ap, adev, 1);  in ich_set_dmamode()
794 	struct ata_port *ap = link->ap;  in piix_sidpr_sel()  local
795 	struct piix_host_priv *hpriv = ap->host->private_data;  in piix_sidpr_sel()
797 	iowrite32(((ap->port_no * 2 + link->pmp) << 8) | piix_sidx_map[reg],  in piix_sidpr_sel()
804 	struct piix_host_priv *hpriv = link->ap->host->private_data;  in piix_sidpr_scr_read()
817 	struct piix_host_priv *hpriv = link->ap->host->private_data;  in piix_sidpr_scr_write()
833 static bool piix_irq_check(struct ata_port *ap)  in piix_irq_check()  argument
835 	if (unlikely(!ap->ioaddr.bmdma_addr))  in piix_irq_check()
838 	return ap->ops->bmdma_status(ap) & ATA_DMA_INTR;  in piix_irq_check()
1072 static u8 piix_vmw_bmdma_status(struct ata_port *ap)  in piix_vmw_bmdma_status()  argument
1074 	return ata_bmdma_status(ap) & ~ATA_DMA_ERR;  in piix_vmw_bmdma_status()
1503 		struct ata_port *ap = host->ports[i];  in piix_init_sidpr()  local
1505 		ap->ops = &piix_sidpr_sata_ops;  in piix_init_sidpr()
1507 		if (ap->flags & ATA_FLAG_SLAVE_POSS) {  in piix_init_sidpr()
1508 			rc = ata_slave_link_init(ap);  in piix_init_sidpr()