ide: add PIO masks

* Add ATA_PIO[0-6] defines to <linux/ata.h>.

* Add ->pio_mask field to ide_pci_device_t and ide_hwif_t.

* Add PIO masks to host drivers.

<linux/ata.h> change ACK-ed by Jeff Garzik <jeff@garzik.org>.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

2 files changed, 12 insertions, 0 deletions

diff --git a/include/linux/ata.h b/include/linux/ata.h
index b5a20162af32..23a22df039d8 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -64,6 +64,15 @@ enum {
         ATA_ID_PROD_LEN         = 40,
 
         ATA_PCI_CTL_OFS         = 2,
+
+        ATA_PIO0                = (1 << 0),
+        ATA_PIO1                = ATA_PIO0 | (1 << 1),
+        ATA_PIO2                = ATA_PIO1 | (1 << 2),
+        ATA_PIO3                = ATA_PIO2 | (1 << 3),
+        ATA_PIO4                = ATA_PIO3 | (1 << 4),
+        ATA_PIO5                = ATA_PIO4 | (1 << 5),
+        ATA_PIO6                = ATA_PIO5 | (1 << 6),
+
         ATA_UDMA0               = (1 << 0),
         ATA_UDMA1               = ATA_UDMA0 | (1 << 1),
         ATA_UDMA2               = ATA_UDMA1 | (1 << 2),
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 9f72f6e0c954..5f5daad8bc54 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -683,6 +683,8 @@ typedef struct hwif_s {
 
         u8 host_flags;
 
+        u8 pio_mask;
+
         u8 atapi_dma;   /* host supports atapi_dma */
         u8 ultra_mask;
         u8 mwdma_mask;
@@ -1270,6 +1272,7 @@ typedef struct ide_pci_device_s {
         unsigned int            extra;
         struct ide_pci_device_s *next;
         u8                      host_flags;
+        u8                      pio_mask;
         u8                      udma_mask;
 } ide_pci_device_t;