* based upon
*
* serverworks.c
- *
+ *
* Copyright (C) 1998-2000 Michel Aubry
* Copyright (C) 1998-2000 Andrzej Krzysztofowicz
* Copyright (C) 1998-2000 Andre Hedrick <andre@linux-ide.org>
* @ap: ATA port to do cable detect
*
* Dell hide the 40/80 pin select for their interfaces in the top two
- * bits of the subsystem ID.
+ * bits of the subsystem ID.
*/
-
+
static int dell_cable(struct ata_port *ap) {
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
-
+
if (pdev->subsystem_device & (1 << (ap->port_no + 14)))
return ATA_CBL_PATA80;
return ATA_CBL_PATA40;
* subsystem ID the same as dell. We could use one function but we may
* need to extend the Dell one in future
*/
-
+
static int sun_cable(struct ata_port *ap) {
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
-
+
if (pdev->subsystem_device & (1 << (ap->port_no + 14)))
return ATA_CBL_PATA80;
return ATA_CBL_PATA40;
* Note that we don't copy the old serverworks code because the old
* code contains obvious mistakes
*/
-
+
static struct sv_cable_table cable_detect[] = {
{ PCI_DEVICE_ID_SERVERWORKS_CSB5IDE, PCI_VENDOR_ID_DELL, dell_cable },
{ PCI_DEVICE_ID_SERVERWORKS_CSB6IDE, PCI_VENDOR_ID_DELL, dell_cable },
* serverworks_pre_reset - cable detection
* @ap: ATA port
*
- * Perform cable detection according to the device and subvendor
+ * Perform cable detection according to the device and subvendor
* identifications
*/
-
+
static int serverworks_pre_reset(struct ata_port *ap) {
struct pci_dev *pdev = to_pci_dev(ap->host->dev);
struct sv_cable_table *cb = cable_detect;
while(cb->device) {
- if (cb->device == pdev->device &&
+ if (cb->device == pdev->device &&
(cb->subvendor == pdev->subsystem_vendor ||
cb->subvendor == PCI_ANY_ID)) {
ap->cbl = cb->cable_detect(ap);
* Returns true if the device being checked is known to be a CSB
* series device.
*/
-
+
static u8 serverworks_is_csb(struct pci_dev *pdev)
{
switch (pdev->device) {
* specific rules. OSB4 requires no UDMA for disks due to a FIFO
* bug we hit.
*/
-
+
static unsigned long serverworks_osb4_filter(const struct ata_port *ap, struct ata_device *adev, unsigned long mask)
{
if (adev->class == ATA_DEV_ATA)
char model_num[40];
int len, i;
- /* Disk, UDMA */
+ /* Disk, UDMA */
if (adev->class != ATA_DEV_ATA)
return ata_pci_default_filter(ap, adev, mask);
/* Actually do need to check */
ata_id_string(adev->id, model_num, ATA_ID_PROD_OFS, sizeof(model_num));
/* Precuationary - why not do this in the libata core ?? */
-
+
len = strlen(model_num);
while ((len > 0) && (model_num[len - 1] == ' ')) {
len--;
int pio = adev->pio_mode - XFER_PIO_0;
pci_write_config_byte(pdev, 0x40 + offset, pio_mode[pio]);
-
+
/* The OSB4 just requires the timing but the CSB series want the
mode number as well */
if (serverworks_is_csb(pdev)) {
ultra_cfg |= (1 << devbits);
} else {
- pci_write_config_byte(pdev, 0x44 + offset,
+ pci_write_config_byte(pdev, 0x44 + offset,
dma_mode[adev->dma_mode - XFER_MW_DMA_0]);
ultra_cfg &= ~(1 << devbits);
}
.set_piomode = serverworks_set_piomode,
.set_dmamode = serverworks_set_dmamode,
.mode_filter = serverworks_osb4_filter,
-
+
.tf_load = ata_tf_load,
.tf_read = ata_tf_read,
.check_status = ata_check_status,
.qc_issue = ata_qc_issue_prot,
.eng_timeout = ata_eng_timeout,
.data_xfer = ata_pio_data_xfer,
-
+
.irq_handler = ata_interrupt,
.port_start = ata_port_start,
.port_stop = ata_port_stop,
.host_stop = ata_host_stop
-};
+};
static struct ata_port_operations serverworks_csb_port_ops = {
.port_disable = ata_port_disable,
.set_piomode = serverworks_set_piomode,
.set_dmamode = serverworks_set_dmamode,
.mode_filter = serverworks_csb_filter,
-
+
.tf_load = ata_tf_load,
.tf_read = ata_tf_read,
.check_status = ata_check_status,
.qc_issue = ata_qc_issue_prot,
.eng_timeout = ata_eng_timeout,
.data_xfer = ata_pio_data_xfer,
-
+
.irq_handler = ata_interrupt,
.port_start = ata_port_start,
.port_stop = ata_port_stop,
.host_stop = ata_host_stop
-};
+};
static int serverworks_fixup_osb4(struct pci_dev *pdev)
{
{
u8 rev;
u8 btr;
-
+
pci_read_config_byte(pdev, PCI_REVISION_ID, &rev);
/* Third Channel Test */
else
btr |= (rev >= SVWKS_CSB5_REVISION_NEW) ? 0x3 : 0x2;
pci_write_config_byte(pdev, 0x5A, btr);
-
+
return btr;
}
};
static struct ata_port_info *port_info[2];
struct ata_port_info *devinfo = &info[id->driver_data];
-
+
/* Force master latency timer to 64 PCI clocks */
pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x40);
else if ((pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE) ||
(pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE) ||
(pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)) {
-
+
/* If the returned btr is the newer revision then
select the right info block */
if (serverworks_fixup_csb(pdev) == 3)
devinfo = &info[3];
-
+
/* Is this the 3rd channel CSB6 IDE ? */
if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2)
ports = 1;
/* setup HT1000E */
else if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_HT1000IDE)
serverworks_fixup_ht1000(pdev);
-
+
if (pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE)
ata_pci_clear_simplex(pdev);
-
+
port_info[0] = port_info[1] = devinfo;
return ata_pci_init_one(pdev, port_info, ports);
}
projects / powerpc.git / blobdiff