static u8 svwks_ratemask (ide_drive_t *drive)
{
struct pci_dev *dev = HWIF(drive)->pci_dev;
u8 mode;
if (!svwks_revision)
pci_read_config_byte(dev, PCI_REVISION_ID, &svwks_revision);
if (dev->device == PCI_DEVICE_ID_SERVERWORKS_OSB4IDE) {
u32 reg = 0;
if (isa_dev)
pci_read_config_dword(isa_dev, 0x64, ®);
/*
* Don't enable UDMA on disk devices for the moment
*/
if(drive->media == ide_disk)
return 0;
/* Check the OSB4 DMA33 enable bit */
return ((reg & 0x00004000) == 0x00004000) ? 1 : 0;
}
else if (dev->device == PCI_DEVICE_ID_SERVERWORKS_BCM7038) {
return 3; /* tht Takes 3=UDMA5 */
} else if (svwks_revision < SVWKS_CSB5_REVISION_NEW) {
return 1;
} else if (svwks_revision >= SVWKS_CSB5_REVISION_NEW) {
u8 btr = 0;
pci_read_config_byte(dev, 0x5A, &btr);
mode = btr & 0x3;
if (!eighty_ninty_three(drive))
mode = min(mode, (u8)1);
/* If someone decides to do UDMA133 on CSB5 the same
issue will bite so be inclusive */
if (mode > 2 && check_in_drive_lists(drive, svwks_bad_ata100))
mode = 2;
}
if (((dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||
(dev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) &&
(!(PCI_FUNC(dev->devfn) & 1)))
mode = 2;
return mode;
}
static int pdcnew_quirkproc (ide_drive_t *drive)
{
return ((int) check_in_drive_lists(drive, pdc_quirk_drives));
}
