ide: add ->mwdma_mask and ->swdma_mask to ide_pci_device_t (take 2)

* Add ->mwdma_mask and ->swdma_mask to ide_pci_device_t.

* Set ide_hwif_t DMA masks using DMA masks from ide_pci_device_t in
  setup-pci.c::ide_pci_setup_ports() (iff DMA base is valid and ->init_hwif
  method may still override them).

* Convert IDE PCI host drivers to use ide_pci_device_t DMA masks.

While at it:

* Use ATA_{UDMA,MWDMA,SWDMA}* defines.

* hpt34x.c: add separate ide_pci_device_t instances for HPT343 and HPT345.

* serverworks.c: fix DMA masks being set before checking DMA base.

v2:
* Add missing masks to DECLARE_GENERIC_PCI_DEV() macro.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/drivers/ide/pci/sc1200.c b/drivers/ide/pci/sc1200.c
index 1a1c0ef..252b12f 100644
--- a/drivers/ide/pci/sc1200.c
+++ b/drivers/ide/pci/sc1200.c
@@ -376,9 +376,6 @@
 
 	hwif->udma_filter = sc1200_udma_filter;
 	hwif->ide_dma_end   = &sc1200_ide_dma_end;
-
-        hwif->ultra_mask = 0x07;
-        hwif->mwdma_mask = 0x07;
 }
 
 static ide_pci_device_t sc1200_chipset __devinitdata = {
@@ -387,6 +384,8 @@
 	.host_flags	= IDE_HFLAG_ABUSE_DMA_MODES | IDE_HFLAG_POST_SET_MODE |
 			  IDE_HFLAG_BOOTABLE,
 	.pio_mask	= ATA_PIO4,
+	.mwdma_mask	= ATA_MWDMA2,
+	.udma_mask	= ATA_UDMA2,
 };
 
 static int __devinit sc1200_init_one(struct pci_dev *dev, const struct pci_device_id *id)