+static void nv_nf2_freeze(struct ata_port *ap)
+{
+ unsigned long scr_addr = ap->host_set->ports[0]->ioaddr.scr_addr;
+ int shift = ap->port_no * NV_INT_PORT_SHIFT;
+ u8 mask;
+
+ mask = inb(scr_addr + NV_INT_ENABLE);
+ mask &= ~(NV_INT_ALL << shift);
+ outb(mask, scr_addr + NV_INT_ENABLE);
+}
+
+static void nv_nf2_thaw(struct ata_port *ap)
+{
+ unsigned long scr_addr = ap->host_set->ports[0]->ioaddr.scr_addr;
+ int shift = ap->port_no * NV_INT_PORT_SHIFT;
+ u8 mask;
+
+ outb(NV_INT_ALL << shift, scr_addr + NV_INT_STATUS);
+
+ mask = inb(scr_addr + NV_INT_ENABLE);
+ mask |= (NV_INT_MASK << shift);
+ outb(mask, scr_addr + NV_INT_ENABLE);
+}
+
+static void nv_ck804_freeze(struct ata_port *ap)
+{
+ void __iomem *mmio_base = ap->host_set->mmio_base;
+ int shift = ap->port_no * NV_INT_PORT_SHIFT;
+ u8 mask;
+
+ mask = readb(mmio_base + NV_INT_ENABLE_CK804);
+ mask &= ~(NV_INT_ALL << shift);
+ writeb(mask, mmio_base + NV_INT_ENABLE_CK804);
+}
+
+static void nv_ck804_thaw(struct ata_port *ap)
+{
+ void __iomem *mmio_base = ap->host_set->mmio_base;
+ int shift = ap->port_no * NV_INT_PORT_SHIFT;
+ u8 mask;
+
+ writeb(NV_INT_ALL << shift, mmio_base + NV_INT_STATUS_CK804);
+
+ mask = readb(mmio_base + NV_INT_ENABLE_CK804);
+ mask |= (NV_INT_MASK << shift);
+ writeb(mask, mmio_base + NV_INT_ENABLE_CK804);
+}
+
+static int nv_hardreset(struct ata_port *ap, unsigned int *class)
+{
+ unsigned int dummy;
+
+ /* SATA hardreset fails to retrieve proper device signature on
+ * some controllers. Don't classify on hardreset. For more
+ * info, see http://bugme.osdl.org/show_bug.cgi?id=3352
+ */
+ return sata_std_hardreset(ap, &dummy);
+}
+
+static void nv_error_handler(struct ata_port *ap)
+{
+ ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset,
+ nv_hardreset, ata_std_postreset);
+}
+