aboutsummaryrefslogtreecommitdiff
path: root/drivers/staging
diff options
context:
space:
mode:
authorKevin Huang <Kevin.Huang@rdc.com.tw>2009-06-01 11:43:20 +0800
committerGreg Kroah-Hartman <gregkh@suse.de>2009-06-19 11:00:56 -0700
commitad41a8a58e15bf4dee13b78bb3b77f4e1f417506 (patch)
treea6b4ea911d12d759b35ede21833f6a0f15853931 /drivers/staging
parentba49d59ac4b0748c8d7be9d7a9f637c50592e977 (diff)
Staging: add pata_rdc driver
This is our IDE Source code. This is base on kernel 2.6.28. pata_rdc.h and pata_rdc.c From: Kevin Huang <Kevin.Huang@rdc.com.tw> Cc: Tomy Wang <Tomy.Wang@rdc.com.tw> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging')
-rw-r--r--drivers/staging/pata_rdc/pata_rdc.c1403
-rw-r--r--drivers/staging/pata_rdc/pata_rdc.h237
2 files changed, 1640 insertions, 0 deletions
diff --git a/drivers/staging/pata_rdc/pata_rdc.c b/drivers/staging/pata_rdc/pata_rdc.c
new file mode 100644
index 00000000000..657e9971f41
--- /dev/null
+++ b/drivers/staging/pata_rdc/pata_rdc.c
@@ -0,0 +1,1403 @@
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+
+#include <linux/pci.h>
+#include <linux/device.h>
+
+#include <scsi/scsi_host.h>
+#include <linux/libata.h>
+
+#include "pata_rdc.h"
+
+//#define DBGPRINTF
+
+#ifdef DBGPRINTF
+
+ #define dbgprintf(format, arg...) printk(KERN_INFO format, ## arg)
+
+#else
+
+ #define dbgprintf(...)
+
+#endif
+
+// Driver Info.
+
+#define DRIVER_NAME "pata_rdc" // sata_rdc for SATA
+#define DRIVER_VERSION "2.6.28" // based on kernel version.
+ // because each kernel main version has its libata, we follow kernel to determine the last libata version.
+
+
+static const struct pci_device_id rdc_pata_id_table[] = {
+ { 0x17F3, 0x1011, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RDC_17F31011},
+ { 0x17F3, 0x1012, PCI_ANY_ID, PCI_ANY_ID, 0, 0, RDC_17F31012},
+ { } /* terminate list */
+};
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("this version author is RDC"); // replace "RDC" with the last maintainer.
+MODULE_DESCRIPTION("RDC PCI IDE Driver");
+MODULE_DEVICE_TABLE(pci, rdc_pata_id_table);
+MODULE_VERSION(DRIVER_VERSION);
+
+// a pci driver
+static struct pci_driver rdc_pata_driver = {
+ .name = DRIVER_NAME,
+ .id_table = rdc_pata_id_table,
+ .probe = rdc_init_one,
+ .remove = ata_pci_remove_one,
+#ifdef CONFIG_PM
+ .suspend = ata_pci_device_suspend,
+ .resume = ata_pci_device_resume,
+#endif
+};
+
+static unsigned int in_module_init = 1; // hotplugging check???
+static int __init pata_rdc_init(void)
+{
+ int rc;
+
+ dbgprintf("pata_rdc_init\n");
+ rc = pci_register_driver(&rdc_pata_driver);
+ if (rc)
+ {
+ dbgprintf("pata_rdc_init faile\n");
+ return rc;
+ }
+
+ in_module_init = 0;
+
+ return 0;
+}
+
+static void __exit pata_rdc_exit(void)
+{
+ dbgprintf("pata_rdc_exit\n");
+ pci_unregister_driver(&rdc_pata_driver);
+}
+
+module_init(pata_rdc_init);
+module_exit(pata_rdc_exit);
+
+// ata device data
+
+static struct pci_bits ATA_Decode_Enable_Bits[] = { // see ATA Host Adapters Standards.
+ { 0x41U, 1U, 0x80UL, 0x80UL }, /* port (Channel) 0 */
+ { 0x43U, 1U, 0x80UL, 0x80UL }, /* port (Channel) 1 */
+};
+
+static struct scsi_host_template rdc_pata_sht = { // pata host template
+ ATA_BMDMA_SHT(DRIVER_NAME),
+};
+
+static const struct ata_port_operations rdc_pata_ops = {
+ .inherits = &ata_bmdma_port_ops,
+
+ .port_start = rdc_pata_port_start,
+ .port_stop = rdc_pata_port_stop,
+ .prereset = rdc_pata_prereset,
+ .cable_detect = rdc_pata_cable_detect,
+ .set_piomode = rdc_pata_set_piomode,
+ .set_dmamode = rdc_pata_set_dmamode,
+
+};
+
+static struct ata_port_info rdc_pata_port_info[] = {
+ [RDC_17F31011] =
+ {
+ .flags = ATA_FLAG_SLAVE_POSS,
+ .pio_mask = 0x1f, /* pio0-4 */
+ .mwdma_mask = 0x07, /* mwdma0-2 */
+ .udma_mask = ATA_UDMA5, /* udma0-5 */
+ .port_ops = &rdc_pata_ops,
+ },
+
+ [RDC_17F31012] =
+ {
+ .flags = ATA_FLAG_SLAVE_POSS,
+ .pio_mask = 0x1f, /* pio0-4 */
+ .mwdma_mask = 0x07, /* mwdma0-2 */
+ .udma_mask = ATA_UDMA5, /* udma0-5 */
+ .port_ops = &rdc_pata_ops,
+ },
+
+
+};
+
+
+
+
+// callback function for pci_driver
+
+/**
+ * Register ATA PCI device with kernel services
+ * @pdev: PCI device to register
+ * @ent: Entry in sch_pci_tbl matching with @pdev
+ *
+ * LOCKING:
+ * Inherited from PCI layer (may sleep).
+ *
+ * RETURNS:
+ * Zero on success, or -ERRNO value.
+ */
+static int __devinit rdc_init_one(
+ struct pci_dev *pdev,
+ const struct pci_device_id *ent
+ )
+{
+ //struct device *dev = &pdev->dev;
+ struct ata_port_info port_info[2];
+ struct ata_port_info *ppinfo[] = { &port_info[0], &port_info[1] };
+
+ int rc;
+
+ dbgprintf("rdc_init_one\n");
+
+ /* no hotplugging support (FIXME) */ // why???
+ if (!in_module_init)
+ {
+ dbgprintf("rdc_init_one in_module_init == 0 failed \n");
+ return -ENODEV;
+ }
+ port_info[0] = rdc_pata_port_info[ent->driver_data];
+ port_info[1] = rdc_pata_port_info[ent->driver_data];
+
+ /* enable device and prepare host */
+ rc = pci_enable_device(pdev);
+ if (rc)
+ {
+ dbgprintf("rdc_init_one pci_enable_device failed \n");
+ return rc;
+ }
+ /* initialize controller */
+
+ pci_intx(pdev, 1); // enable interrupt
+
+ return ata_pci_init_one(pdev, ppinfo);
+}
+
+// callback function for ata_port
+
+/**
+ * Set port up for dma.
+ * @ap: Port to initialize
+ *
+ * Called just after data structures for each port are
+ * initialized. Allocates space for PRD table if the device
+ * is DMA capable SFF.
+
+ Some drivers also use this entry point as a chance to allocate driverprivate
+ memory for ap->private_data.
+
+ *
+ * May be used as the port_start() entry in ata_port_operations.
+ *
+ * LOCKING:
+ * Inherited from caller.
+ */
+static int rdc_pata_port_start(
+ struct ata_port *ap
+ )
+{
+ uint Channel;
+
+ Channel = ap->port_no;
+ dbgprintf("rdc_pata_port_start Channel: %u \n", Channel);
+ if (ap->ioaddr.bmdma_addr)
+ {
+ return ata_port_start(ap);
+ }
+ else
+ {
+ dbgprintf("rdc_pata_port_start return 0 !!!\n");
+ return 0;
+ }
+}
+
+static void rdc_pata_port_stop(
+ struct ata_port *ap
+ )
+{
+ uint Channel;
+
+ Channel = ap->port_no;
+
+ dbgprintf("rdc_pata_port_stop Channel: %u \n", Channel);
+}
+
+/**
+ * prereset for PATA host controller
+ * @link: Target link
+ * @deadline: deadline jiffies for the operation
+ *
+ * LOCKING:
+ * None (inherited from caller).
+ */
+static int rdc_pata_prereset(
+ struct ata_link *link,
+ unsigned long deadline
+ )
+{
+ struct pci_dev *pdev;
+ struct ata_port *ap;
+
+ uint Channel;
+
+ dbgprintf("rdc_pata_prereset\n");
+
+ ap = link->ap;
+ pdev = to_pci_dev(ap->host->dev);
+
+ Channel = ap->port_no;
+
+ // test ATA Decode Enable Bits, should be enable.
+ if (!pci_test_config_bits(pdev, &ATA_Decode_Enable_Bits[Channel]))
+ {
+ dbgprintf("rdc_pata_prereset Channel: %u, Decode Disable\n", Channel);
+ return -ENOENT;
+ }
+ else
+ {
+ dbgprintf("rdc_pata_prereset Channel: %u, Decode Enable\n", Channel);
+ return ata_std_prereset(link, deadline);
+ }
+}
+
+/**
+ * Probe host controller cable detect info
+ * @ap: Port for which cable detect info is desired
+ *
+ * Read cable indicator from ATA PCI device's PCI config
+ * register. This register is normally set by firmware (BIOS).
+ *
+ * LOCKING:
+ * None (inherited from caller).
+ */
+
+static int rdc_pata_cable_detect(
+ struct ata_port *ap
+ )
+{
+ struct pci_dev *pdev;
+
+ uint Channel;
+
+ uint Mask;
+ u32 u32Value;
+
+ dbgprintf("rdc_pata_cable_detect\n");
+
+ pdev = to_pci_dev(ap->host->dev);
+
+ Channel = ap->port_no;
+
+ if (Channel == 0)
+ {
+ Mask = ATAConfiguration_IDEIOConfiguration_PrimaryDeviceCable80Report;
+ }
+ else
+ {
+ Mask = ATAConfiguration_IDEIOConfiguration_SecondaryDeviceCable80Report;
+ }
+
+ /* check BIOS cable detect results */
+ pci_read_config_dword(pdev, ATAConfiguration_ID_IDEIOConfiguration + ATAConfiguration_PCIOffset, &u32Value);
+
+ if ((u32Value & Mask) == 0)
+ {
+ dbgprintf("rdc_pata_cable_detect Channel: %u, PATA40 \n", Channel);
+ return ATA_CBL_PATA40;
+ }
+ else
+ {
+ dbgprintf("rdc_pata_cable_detect Channel: %u, PATA80 \n", Channel);
+ return ATA_CBL_PATA80;
+ }
+}
+
+/**
+ * Initialize host controller PATA PIO timings
+ * @ap: Port whose timings we are configuring
+ * @adev: um
+ *
+ * Set PIO mode for device, in host controller PCI config space.
+ *
+ * LOCKING:
+ * None (inherited from caller).
+ */
+
+static void rdc_pata_set_piomode(
+ struct ata_port *ap,
+ struct ata_device *adev
+ )
+{
+ struct pci_dev *pdev;
+
+ uint Channel;
+ uint DeviceID;
+
+ uint PIOTimingMode;
+ uint PrefetchPostingEnable;
+
+ dbgprintf("rdc_pata_set_piomode\n");
+
+ pdev = to_pci_dev(ap->host->dev);
+
+ Channel = ap->port_no;
+ DeviceID = adev->devno;
+ PIOTimingMode = adev->pio_mode - XFER_PIO_0; // piomode = 0, 1, 2, 3... ; adev->pio_mode = XFER_PIO_0, XFER_PIO_1, XFER_PIO_2, XFER_PIO_3...
+
+ if (adev->class == ATA_DEV_ATA)
+ {
+ PrefetchPostingEnable = TRUE;
+ }
+ else
+ { // ATAPI, CD DVD Rom
+ PrefetchPostingEnable = FALSE;
+ }
+
+ /* PIO configuration clears DTE unconditionally. It will be
+ * programmed in set_dmamode which is guaranteed to be called
+ * after set_piomode if any DMA mode is available.
+ */
+
+ /* Ensure the UDMA bit is off - it will be turned back on if
+ UDMA is selected */
+
+ if (Channel == 0)
+ {
+ ATAHostAdapter_SetPrimaryPIO(
+ pdev,
+ DeviceID,
+ PIOTimingMode,
+ TRUE,//DMAEnable,
+ PrefetchPostingEnable
+ );
+
+ ATAHostAdapter_SetPrimaryUDMA(
+ pdev,
+ DeviceID,
+ FALSE,//UDMAEnable,
+ UDMA0
+ );
+ }
+ else
+ {
+ ATAHostAdapter_SetSecondaryPIO(
+ pdev,
+ DeviceID,
+ PIOTimingMode,
+ TRUE,//DMAEnable,
+ PrefetchPostingEnable
+ );
+
+ ATAHostAdapter_SetSecondaryUDMA(
+ pdev,
+ DeviceID,
+ FALSE,//UDMAEnable,
+ UDMA0
+ );
+ }
+ dbgprintf("rdc_pata_set_piomode Channel: %u, DeviceID: %u, PIO: %d \n", Channel, DeviceID, PIOTimingMode);
+}
+
+/**
+ * Initialize host controller PATA DMA timings
+ * @ap: Port whose timings we are configuring
+ * @adev: um
+ *
+ * Set MW/UDMA mode for device, in host controller PCI config space.
+ *
+ * LOCKING:
+ * None (inherited from caller).
+ */
+
+static void rdc_pata_set_dmamode(
+ struct ata_port *ap,
+ struct ata_device *adev
+ )
+{
+ struct pci_dev *pdev;
+
+ uint Channel;
+ uint DeviceID;
+
+ uint PIOTimingMode;
+ uint PrefetchPostingEnable;
+ uint DMATimingMode;
+ uint UDMAEnable;
+
+ dbgprintf("rdc_pata_set_dmamode\n");
+
+ pdev = to_pci_dev(ap->host->dev);
+
+ Channel = ap->port_no;
+ DeviceID = adev->devno;
+ PIOTimingMode = adev->pio_mode - XFER_PIO_0; // piomode = 0, 1, 2, 3... ; adev->pio_mode = XFER_PIO_0, XFER_PIO_1, XFER_PIO_2, XFER_PIO_3...
+ DMATimingMode = adev->dma_mode; // UDMA or MDMA
+
+ if (adev->class == ATA_DEV_ATA)
+ {
+ PrefetchPostingEnable = TRUE;
+ }
+ else
+ { // ATAPI, CD DVD Rom
+ PrefetchPostingEnable = FALSE;
+ }
+
+ if (ap->udma_mask == 0)
+ { // ata_port dont support udma. depend on hardware spec.
+ UDMAEnable = FALSE;
+ }
+ else
+ {
+ UDMAEnable = TRUE;
+ }
+
+ /*if (ap->mdma_mask == 0)
+ {
+ }*/
+
+ if (Channel == 0)
+ {
+ if (DMATimingMode >= XFER_UDMA_0)
+ { // UDMA
+ ATAHostAdapter_SetPrimaryPIO(
+ pdev,
+ DeviceID,
+ PIOTimingMode,
+ TRUE,//DMAEnable,
+ PrefetchPostingEnable
+ );
+
+ ATAHostAdapter_SetPrimaryUDMA(
+ pdev,
+ DeviceID,
+ UDMAEnable,
+ DMATimingMode - XFER_UDMA_0
+ );
+ dbgprintf("rdc_pata_set_dmamode Channel: %u, DeviceID: %u, UDMA: %u \n", Channel, DeviceID, (uint)(DMATimingMode - XFER_UDMA_0));
+ }
+ else
+ { // MDMA
+ ATAHostAdapter_SetPrimaryPIO(
+ pdev,
+ DeviceID,
+ (DMATimingMode - XFER_MW_DMA_0) + PIO2, // MDMA0 = PIO2
+ TRUE,//DMAEnable,
+ PrefetchPostingEnable
+ );
+
+ ATAHostAdapter_SetPrimaryUDMA(
+ pdev,
+ DeviceID,
+ FALSE,//UDMAEnable,
+ UDMA0
+ );
+ dbgprintf("rdc_pata_set_dmamode Channel: %u, DeviceID: %u, MDMA: %u \n", Channel, DeviceID, (uint)(DMATimingMode - XFER_MW_DMA_0));
+ }
+ }
+ else
+ {
+ if (DMATimingMode >= XFER_UDMA_0)
+ { // UDMA
+ ATAHostAdapter_SetSecondaryPIO(
+ pdev,
+ DeviceID,
+ PIOTimingMode,
+ TRUE,//DMAEnable,
+ PrefetchPostingEnable
+ );
+
+ ATAHostAdapter_SetSecondaryUDMA(
+ pdev,
+ DeviceID,
+ UDMAEnable,
+ DMATimingMode - XFER_UDMA_0
+ );
+ dbgprintf("rdc_pata_set_dmamode Channel: %u, DeviceID: %u, UDMA: %u \n", Channel, DeviceID, (uint)(DMATimingMode - XFER_UDMA_0));
+ }
+ else
+ { // MDMA
+ ATAHostAdapter_SetSecondaryPIO(
+ pdev,
+ DeviceID,
+ (DMATimingMode - XFER_MW_DMA_0) + PIO2, // MDMA0 = PIO2
+ TRUE,//DMAEnable,
+ PrefetchPostingEnable
+ );
+
+ ATAHostAdapter_SetSecondaryUDMA(
+ pdev,
+ DeviceID,
+ FALSE,//UDMAEnable,
+ UDMA0
+ );
+ dbgprintf("rdc_pata_set_dmamode Channel: %u, DeviceID: %u, MDMA: %u \n", Channel, DeviceID, (uint)(DMATimingMode - XFER_MW_DMA_0));
+ }
+ }
+}
+
+// modified PCIDeviceIO code.
+
+static uint
+PCIDeviceIO_ReadPCIConfiguration(
+ struct pci_dev *pdev,
+ uint Offset,
+ uint Length,
+ void* pBuffer
+ )
+{
+ uint funcresult;
+
+ unchar* pchar;
+
+ uint i;
+
+ funcresult = TRUE;
+
+ pchar = pBuffer;
+
+ for (i = 0; i < Length; i++)
+ {
+ pci_read_config_byte(pdev, Offset, pchar);
+ Offset++;
+ pchar++;
+ }
+
+ funcresult = TRUE;
+
+ goto funcexit;
+funcexit:
+
+ return funcresult;
+}
+
+static uint
+PCIDeviceIO_WritePCIConfiguration(
+ struct pci_dev *pdev,
+ uint Offset,
+ uint Length,
+ void* pBuffer
+ )
+{
+ uint funcresult;
+
+ unchar* pchar;
+
+ uint i;
+
+ funcresult = TRUE;
+
+ pchar = pBuffer;
+
+ for (i = 0; i < Length; i++)
+ {
+ pci_write_config_byte(pdev, Offset, *pchar);
+ Offset++;
+ pchar++;
+ }
+
+ funcresult = TRUE;
+
+ goto funcexit;
+funcexit:
+
+ return funcresult;
+}
+
+
+// modified ATAHostAdapter code.
+
+static uint
+ATAHostAdapter_SetPrimaryPIO(
+ struct pci_dev *pdev,
+ uint DeviceID,
+ uint PIOTimingMode,
+ uint DMAEnable,
+ uint PrefetchPostingEnable
+ )
+{
+ uint funcresult;
+
+ uint result;
+
+ uint ATATimingRegister;
+ uint Device1TimingRegister;
+
+ funcresult = TRUE;
+
+ ATATimingRegister = 0;
+ Device1TimingRegister = 0;
+
+ result = PCIDeviceIO_ReadPCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_PrimaryTiming + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_PrimaryTiming_Size,
+ &ATATimingRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ result = PCIDeviceIO_ReadPCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_Device1Timing + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_Device1Timing_Size,
+ &Device1TimingRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device1TimingRegisterEnable;
+
+ switch(DeviceID)
+ {
+ case 0:
+ {
+ // mask clear
+ ATATimingRegister &= ~(ATAConfiguration_PrimaryTiming_Device0FastTimingEnable
+ | ATAConfiguration_PrimaryTiming_Device0IORDYSampleModeEnable
+ | ATAConfiguration_PrimaryTiming_Device0PrefetchandPostingEnable
+ | ATAConfiguration_PrimaryTiming_Device0DMATimingEnable
+ | ATAConfiguration_PrimaryTiming_Device0RecoveryMode
+ | ATAConfiguration_PrimaryTiming_Device0IORDYSampleMode
+ );
+
+ if (PIOTimingMode > PIO0)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0FastTimingEnable;
+ }
+
+ if (PIOTimingMode >= PIO3)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0IORDYSampleModeEnable;
+ }
+
+ if (PIOTimingMode >= PIO2 && PrefetchPostingEnable == TRUE)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0PrefetchandPostingEnable;
+ }
+
+ if (DMAEnable == TRUE
+ && PIOTimingMode >= PIO2)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0DMATimingEnable;
+ }
+
+ if (PIOTimingMode <= PIO2)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0RecoveryMode_0;
+ }
+ else if (PIOTimingMode == PIO3)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0RecoveryMode_1;
+ }
+ else if (PIOTimingMode == PIO4)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0RecoveryMode_3;
+ }
+
+ if (PIOTimingMode <= PIO1)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0IORDYSampleMode_0;
+ }
+ else if (PIOTimingMode == PIO2)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0IORDYSampleMode_1;
+ }
+ else if (PIOTimingMode <= PIO4)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0IORDYSampleMode_2;
+ }
+ }
+ break;
+ case 1:
+ {
+ ATATimingRegister &= ~(ATAConfiguration_PrimaryTiming_Device1FastTimingEnable
+ | ATAConfiguration_PrimaryTiming_Device1IORDYSampleModeEnable
+ | ATAConfiguration_PrimaryTiming_Device1PrefetchandPostingEnable
+ | ATAConfiguration_PrimaryTiming_Device1DMATimingEnable
+ );
+
+ if (PIOTimingMode > PIO0)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device1FastTimingEnable;
+ }
+
+ if (PIOTimingMode >= PIO3)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device1IORDYSampleModeEnable;
+ }
+
+ if (PIOTimingMode >= PIO2 && PrefetchPostingEnable == TRUE)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device1PrefetchandPostingEnable;
+ }
+
+ if (DMAEnable == TRUE
+ && PIOTimingMode >= PIO2)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device1DMATimingEnable;
+ }
+
+ Device1TimingRegister &= ~(ATAConfiguration_Device1Timing_PrimaryRecoveryMode | ATAConfiguration_Device1Timing_PrimaryIORDYSampleMode);
+
+ if (PIOTimingMode <= PIO2)
+ {
+ Device1TimingRegister |= ATAConfiguration_Device1Timing_PrimaryRecoveryMode_0;
+ }
+ else if (PIOTimingMode == PIO3)
+ {
+ Device1TimingRegister |= ATAConfiguration_Device1Timing_PrimaryRecoveryMode_1;
+ }
+ else if (PIOTimingMode == PIO4)
+ {
+ Device1TimingRegister |= ATAConfiguration_Device1Timing_PrimaryRecoveryMode_3;
+ }
+
+ if (PIOTimingMode <= PIO1)
+ {
+ Device1TimingRegister |= ATAConfiguration_Device1Timing_PrimaryIORDYSampleMode_0;
+ }
+ else if (PIOTimingMode == PIO2)
+ {
+ Device1TimingRegister |= ATAConfiguration_Device1Timing_PrimaryIORDYSampleMode_1;
+ }
+ else if (PIOTimingMode <= PIO4)
+ {
+ Device1TimingRegister |= ATAConfiguration_Device1Timing_PrimaryIORDYSampleMode_2;
+ }
+ }
+ break;
+ default:
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+ break;
+ }
+
+ result = PCIDeviceIO_WritePCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_PrimaryTiming + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_PrimaryTiming_Size,
+ &ATATimingRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ result = PCIDeviceIO_WritePCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_Device1Timing + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_Device1Timing_Size,
+ &Device1TimingRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ goto funcexit;
+funcexit:
+
+ return funcresult;
+}
+
+static uint
+ATAHostAdapter_SetSecondaryPIO(
+ struct pci_dev *pdev,
+ uint DeviceID,
+ uint PIOTimingMode,
+ uint DMAEnable,
+ uint PrefetchPostingEnable
+ )
+{
+ uint funcresult;
+
+ uint result;
+
+ uint ATATimingRegister;
+ uint Device1TimingRegister;
+
+ funcresult = TRUE;
+
+ ATATimingRegister = 0;
+ Device1TimingRegister = 0;
+
+ result = PCIDeviceIO_ReadPCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_SecondaryTiming + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_SecondaryTiming_Size,
+ &ATATimingRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ result = PCIDeviceIO_ReadPCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_Device1Timing + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_Device1Timing_Size,
+ &Device1TimingRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device1TimingRegisterEnable;
+
+ switch(DeviceID)
+ {
+ case 0:
+ {
+ // mask clear
+ ATATimingRegister &= ~(ATAConfiguration_PrimaryTiming_Device0FastTimingEnable
+ | ATAConfiguration_PrimaryTiming_Device0IORDYSampleModeEnable
+ | ATAConfiguration_PrimaryTiming_Device0PrefetchandPostingEnable
+ | ATAConfiguration_PrimaryTiming_Device0DMATimingEnable
+ | ATAConfiguration_PrimaryTiming_Device0RecoveryMode
+ | ATAConfiguration_PrimaryTiming_Device0IORDYSampleMode
+ );
+
+ if (PIOTimingMode > PIO0)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0FastTimingEnable;
+ }
+
+ if (PIOTimingMode >= PIO3)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0IORDYSampleModeEnable;
+ }
+
+ if (PIOTimingMode >= PIO2 && PrefetchPostingEnable == TRUE)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0PrefetchandPostingEnable;
+ }
+
+ if (DMAEnable == TRUE
+ && PIOTimingMode >= PIO2)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0DMATimingEnable;
+ }
+
+ if (PIOTimingMode <= PIO2)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0RecoveryMode_0;
+ }
+ else if (PIOTimingMode == PIO3)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0RecoveryMode_1;
+ }
+ else if (PIOTimingMode == PIO4)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0RecoveryMode_3;
+ }
+
+ if (PIOTimingMode <= PIO1)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0IORDYSampleMode_0;
+ }
+ else if (PIOTimingMode == PIO2)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0IORDYSampleMode_1;
+ }
+ else if (PIOTimingMode <= PIO4)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device0IORDYSampleMode_2;
+ }
+ }
+ break;
+ case 1:
+ {
+ ATATimingRegister &= ~(ATAConfiguration_PrimaryTiming_Device1FastTimingEnable
+ | ATAConfiguration_PrimaryTiming_Device1IORDYSampleModeEnable
+ | ATAConfiguration_PrimaryTiming_Device1PrefetchandPostingEnable
+ | ATAConfiguration_PrimaryTiming_Device1DMATimingEnable
+ );
+
+ if (PIOTimingMode > PIO0)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device1FastTimingEnable;
+ }
+
+ if (PIOTimingMode >= PIO3)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device1IORDYSampleModeEnable;
+ }
+
+ if (PIOTimingMode >= PIO2 && PrefetchPostingEnable == TRUE)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device1PrefetchandPostingEnable;
+ }
+
+ if (DMAEnable == TRUE
+ && PIOTimingMode >= PIO2)
+ {
+ ATATimingRegister |= ATAConfiguration_PrimaryTiming_Device1DMATimingEnable;
+ }
+
+ Device1TimingRegister &= ~(ATAConfiguration_Device1Timing_SecondaryRecoveryMode | ATAConfiguration_Device1Timing_SecondaryIORDYSampleMode);
+
+ if (PIOTimingMode <= PIO2)
+ {
+ Device1TimingRegister |= ATAConfiguration_Device1Timing_SecondaryRecoveryMode_0;
+ }
+ else if (PIOTimingMode == PIO3)
+ {
+ Device1TimingRegister |= ATAConfiguration_Device1Timing_SecondaryRecoveryMode_1;
+ }
+ else if (PIOTimingMode == PIO4)
+ {
+ Device1TimingRegister |= ATAConfiguration_Device1Timing_SecondaryRecoveryMode_3;
+ }
+
+ if (PIOTimingMode <= PIO1)
+ {
+ Device1TimingRegister |= ATAConfiguration_Device1Timing_SecondaryIORDYSampleMode_0;
+ }
+ else if (PIOTimingMode == PIO2)
+ {
+ Device1TimingRegister |= ATAConfiguration_Device1Timing_SecondaryIORDYSampleMode_1;
+ }
+ else if (PIOTimingMode <= PIO4)
+ {
+ Device1TimingRegister |= ATAConfiguration_Device1Timing_SecondaryIORDYSampleMode_2;
+ }
+ }
+ break;
+ default:
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+ break;
+ }
+
+ result = PCIDeviceIO_WritePCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_SecondaryTiming + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_SecondaryTiming_Size,
+ &ATATimingRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ result = PCIDeviceIO_WritePCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_Device1Timing + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_Device1Timing_Size,
+ &Device1TimingRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ goto funcexit;
+funcexit:
+
+ return funcresult;
+}
+
+static uint
+ATAHostAdapter_SetPrimaryUDMA(
+ struct pci_dev *pdev,
+ uint DeviceID,
+ uint UDMAEnable,
+ uint UDMATimingMode
+ )
+{
+ uint funcresult;
+
+ uint result;
+
+ uint UDMAControlRegister;
+ uint UDMATimingRegister;
+ ulong IDEIOConfigurationRegister;
+
+ funcresult = TRUE;
+
+ UDMAControlRegister = 0;
+ UDMATimingRegister = 0;
+ IDEIOConfigurationRegister = 0;
+
+ result = PCIDeviceIO_ReadPCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_UDMAControl + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_UDMAControl_Size,
+ &UDMAControlRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ result = PCIDeviceIO_ReadPCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_UDMATiming + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_UDMATiming_Size,
+ &UDMATimingRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ result = PCIDeviceIO_ReadPCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_IDEIOConfiguration + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_IDEIOConfiguration_Size,
+ &IDEIOConfigurationRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ //Rom Code will determine the device cable type and ATA 100.
+ //IDEIOConfigurationRegister |= ATAConfiguration_IDEIOConfiguration_DeviceCable80Report;
+ //IDEIOConfigurationRegister |= ATAConfiguration_IDEIOConfiguration_ATA100IsSupported;
+
+ switch(DeviceID)
+ {
+ case 0:
+ {
+ UDMAControlRegister &= ~(ATAConfiguration_UDMAControl_PrimaryDevice0UDMAModeEnable);
+ if (UDMAEnable == TRUE)
+ {
+ UDMAControlRegister |= ATAConfiguration_UDMAControl_PrimaryDevice0UDMAModeEnable;
+ }
+
+ IDEIOConfigurationRegister &= ~(ATAConfiguration_IDEIOConfiguration_PrimaryDevice066MhzEnable
+ | ATAConfiguration_IDEIOConfiguration_PrimaryDevice0100MhzEnable
+ );
+
+ if (UDMATimingMode >= UDMA5)
+ {
+ IDEIOConfigurationRegister |= ATAConfiguration_IDEIOConfiguration_PrimaryDevice0100MhzEnable;
+ }
+ else if (UDMATimingMode >= UDMA3)
+ {
+ IDEIOConfigurationRegister |= ATAConfiguration_IDEIOConfiguration_PrimaryDevice066MhzEnable;
+ }
+
+ // if 80 cable report
+
+ UDMATimingRegister &= ~(ATAConfiguration_UDMATiming_PrimaryDevice0CycleTime);
+
+ if (UDMATimingMode == UDMA0)
+ {
+ UDMATimingRegister |= ATAConfiguration_UDMATiming_PrimaryDevice0CycleTime_0;
+ }
+ else if (UDMATimingMode == UDMA1 || UDMATimingMode == UDMA3 || UDMATimingMode == UDMA5)
+ {
+ UDMATimingRegister |= ATAConfiguration_UDMATiming_PrimaryDevice0CycleTime_1;
+ }
+ else if (UDMATimingMode == UDMA2 || UDMATimingMode == UDMA4)
+ {
+ UDMATimingRegister |= ATAConfiguration_UDMATiming_PrimaryDevice0CycleTime_2;
+ }
+ }
+ break;
+ case 1:
+ {
+ UDMAControlRegister &= ~(ATAConfiguration_UDMAControl_PrimaryDevice1UDMAModeEnable);
+ if (UDMAEnable == TRUE)
+ {
+ UDMAControlRegister |= ATAConfiguration_UDMAControl_PrimaryDevice1UDMAModeEnable;
+ }
+
+ IDEIOConfigurationRegister &= ~(ATAConfiguration_IDEIOConfiguration_PrimaryDevice166MhzEnable
+ | ATAConfiguration_IDEIOConfiguration_PrimaryDevice1100MhzEnable
+ );
+
+ if (UDMATimingMode >= UDMA5)
+ {
+ IDEIOConfigurationRegister |= ATAConfiguration_IDEIOConfiguration_PrimaryDevice1100MhzEnable;
+ }
+ else if (UDMATimingMode >= UDMA3)
+ {
+ IDEIOConfigurationRegister |= ATAConfiguration_IDEIOConfiguration_PrimaryDevice166MhzEnable;
+ }
+
+ // if 80 cable report
+
+ UDMATimingRegister &= ~(ATAConfiguration_UDMATiming_PrimaryDevice1CycleTime);
+
+ if (UDMATimingMode == UDMA0)
+ {
+ UDMATimingRegister |= ATAConfiguration_UDMATiming_PrimaryDevice1CycleTime_0;
+ }
+ else if (UDMATimingMode == UDMA1 || UDMATimingMode == UDMA3 || UDMATimingMode == UDMA5)
+ {
+ UDMATimingRegister |= ATAConfiguration_UDMATiming_PrimaryDevice1CycleTime_1;
+ }
+ else if (UDMATimingMode == UDMA2 || UDMATimingMode == UDMA4)
+ {
+ UDMATimingRegister |= ATAConfiguration_UDMATiming_PrimaryDevice1CycleTime_2;
+ }
+ }
+ break;
+ default:
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+ break;
+ }
+
+ result = PCIDeviceIO_WritePCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_UDMAControl + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_UDMAControl_Size,
+ &UDMAControlRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ result = PCIDeviceIO_WritePCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_UDMATiming + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_UDMATiming_Size,
+ &UDMATimingRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ result = PCIDeviceIO_WritePCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_IDEIOConfiguration + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_IDEIOConfiguration_Size,
+ &IDEIOConfigurationRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ goto funcexit;
+funcexit:
+
+ return funcresult;
+}
+
+static uint
+ATAHostAdapter_SetSecondaryUDMA(
+ struct pci_dev *pdev,
+ uint DeviceID,
+ uint UDMAEnable,
+ uint UDMATimingMode
+ )
+{
+ uint funcresult;
+
+ uint result;
+
+ uint UDMAControlRegister;
+ uint UDMATimingRegister;
+ ulong IDEIOConfigurationRegister;
+
+ funcresult = TRUE;
+
+ UDMAControlRegister = 0;
+ UDMATimingRegister = 0;
+ IDEIOConfigurationRegister = 0;
+
+ result = PCIDeviceIO_ReadPCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_UDMAControl + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_UDMAControl_Size,
+ &UDMAControlRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ result = PCIDeviceIO_ReadPCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_UDMATiming + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_UDMATiming_Size,
+ &UDMATimingRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ result = PCIDeviceIO_ReadPCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_IDEIOConfiguration + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_IDEIOConfiguration_Size,
+ &IDEIOConfigurationRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ //Rom Code will determine the device cable type and ATA 100.
+ //IDEIOConfigurationRegister |= ATAConfiguration_IDEIOConfiguration_DeviceCable80Report;
+ //IDEIOConfigurationRegister |= ATAConfiguration_IDEIOConfiguration_ATA100IsSupported;
+
+ switch(DeviceID)
+ {
+ case 0:
+ {
+ UDMAControlRegister &= ~(ATAConfiguration_UDMAControl_SecondaryDevice0UDMAModeEnable);
+ if (UDMAEnable == TRUE)
+ {
+ UDMAControlRegister |= ATAConfiguration_UDMAControl_SecondaryDevice0UDMAModeEnable;
+ }
+
+ IDEIOConfigurationRegister &= ~(ATAConfiguration_IDEIOConfiguration_SecondaryDevice066MhzEnable
+ | ATAConfiguration_IDEIOConfiguration_SecondaryDevice0100MhzEnable
+ );
+
+ if (UDMATimingMode >= UDMA5)
+ {
+ IDEIOConfigurationRegister |= ATAConfiguration_IDEIOConfiguration_SecondaryDevice0100MhzEnable;
+ }
+ else if (UDMATimingMode >= UDMA3)
+ {
+ IDEIOConfigurationRegister |= ATAConfiguration_IDEIOConfiguration_SecondaryDevice066MhzEnable;
+ }
+
+ // if 80 cable report
+
+ UDMATimingRegister &= ~(ATAConfiguration_UDMATiming_SecondaryDevice0CycleTime);
+
+ if (UDMATimingMode == UDMA0)
+ {
+ UDMATimingRegister |= ATAConfiguration_UDMATiming_SecondaryDevice0CycleTime_0;
+ }
+ else if (UDMATimingMode == UDMA1 || UDMATimingMode == UDMA3 || UDMATimingMode == UDMA5)
+ {
+ UDMATimingRegister |= ATAConfiguration_UDMATiming_SecondaryDevice0CycleTime_1;
+ }
+ else if (UDMATimingMode == UDMA2 || UDMATimingMode == UDMA4)
+ {
+ UDMATimingRegister |= ATAConfiguration_UDMATiming_SecondaryDevice0CycleTime_2;
+ }
+ }
+ break;
+ case 1:
+ {
+ UDMAControlRegister &= ~(ATAConfiguration_UDMAControl_SecondaryDevice1UDMAModeEnable);
+ if (UDMAEnable == TRUE)
+ {
+ UDMAControlRegister |= ATAConfiguration_UDMAControl_SecondaryDevice1UDMAModeEnable;
+ }
+
+ IDEIOConfigurationRegister &= ~(ATAConfiguration_IDEIOConfiguration_SecondaryDevice166MhzEnable
+ | ATAConfiguration_IDEIOConfiguration_SecondaryDevice1100MhzEnable
+ );
+
+ if (UDMATimingMode >= UDMA5)
+ {
+ IDEIOConfigurationRegister |= ATAConfiguration_IDEIOConfiguration_SecondaryDevice1100MhzEnable;
+ }
+ else if (UDMATimingMode >= UDMA3)
+ {
+ IDEIOConfigurationRegister |= ATAConfiguration_IDEIOConfiguration_SecondaryDevice166MhzEnable;
+ }
+
+ // if 80 cable report
+
+ UDMATimingRegister &= ~(ATAConfiguration_UDMATiming_SecondaryDevice1CycleTime);
+
+ if (UDMATimingMode == UDMA0)
+ {
+ UDMATimingRegister |= ATAConfiguration_UDMATiming_SecondaryDevice1CycleTime_0;
+ }
+ else if (UDMATimingMode == UDMA1 || UDMATimingMode == UDMA3 || UDMATimingMode == UDMA5)
+ {
+ UDMATimingRegister |= ATAConfiguration_UDMATiming_SecondaryDevice1CycleTime_1;
+ }
+ else if (UDMATimingMode == UDMA2 || UDMATimingMode == UDMA4)
+ {
+ UDMATimingRegister |= ATAConfiguration_UDMATiming_SecondaryDevice1CycleTime_2;
+ }
+ }
+ break;
+ default:
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+ break;
+ }
+
+ result = PCIDeviceIO_WritePCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_UDMAControl + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_UDMAControl_Size,
+ &UDMAControlRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ result = PCIDeviceIO_WritePCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_UDMATiming + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_UDMATiming_Size,
+ &UDMATimingRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ result = PCIDeviceIO_WritePCIConfiguration(
+ pdev,
+ ATAConfiguration_ID_IDEIOConfiguration + ATAConfiguration_PCIOffset,
+ ATAConfiguration_ID_IDEIOConfiguration_Size,
+ &IDEIOConfigurationRegister
+ );
+ if (result == FALSE)
+ {
+ funcresult = FALSE;
+ goto funcexit;
+ }
+
+ goto funcexit;
+funcexit:
+
+ return funcresult;
+}
diff --git a/drivers/staging/pata_rdc/pata_rdc.h b/drivers/staging/pata_rdc/pata_rdc.h
new file mode 100644
index 00000000000..af1d79e104d
--- /dev/null
+++ b/drivers/staging/pata_rdc/pata_rdc.h
@@ -0,0 +1,237 @@
+#ifndef pata_rdc_H
+#define pata_rdc_H
+
+#ifndef TRUE
+#define TRUE 1
+#endif
+
+#ifndef FALSE
+#define FALSE 0
+#endif
+
+// ATA Configuration Register ID offset address size
+#define ATAConfiguration_PCIOffset 0x40
+#define ATAConfiguration_ID_PrimaryTiming 0x00
+#define ATAConfiguration_ID_SecondaryTiming 0x02
+#define ATAConfiguration_ID_Device1Timing 0x04
+#define ATAConfiguration_ID_UDMAControl 0x08
+#define ATAConfiguration_ID_UDMATiming 0x0A
+#define ATAConfiguration_ID_IDEIOConfiguration 0x14
+
+#define ATAConfiguration_ID_PrimaryTiming_Size 2
+#define ATAConfiguration_ID_SecondaryTiming_Size 2
+#define ATAConfiguration_ID_Device1Timing_Size 1
+#define ATAConfiguration_ID_UDMAControl_Size 1
+#define ATAConfiguration_ID_UDMATiming_Size 2
+#define ATAConfiguration_ID_IDEIOConfiguration_Size 4
+
+// ATA Configuration Register bit define
+#define ATAConfiguration_PrimaryTiming_Device0FastTimingEnable 0x0001
+#define ATAConfiguration_PrimaryTiming_Device0IORDYSampleModeEnable 0x0002 // PIO 3 or greater
+#define ATAConfiguration_PrimaryTiming_Device0PrefetchandPostingEnable 0x0004 // PIO 2 or greater
+#define ATAConfiguration_PrimaryTiming_Device0DMATimingEnable 0x0008
+#define ATAConfiguration_PrimaryTiming_Device1FastTimingEnable 0x0010
+#define ATAConfiguration_PrimaryTiming_Device1IORDYSampleModeEnable 0x0020 // PIO 3 or greater
+#define ATAConfiguration_PrimaryTiming_Device1PrefetchandPostingEnable 0x0040 // PIO 2 or greater
+#define ATAConfiguration_PrimaryTiming_Device1DMATimingEnable 0x0080
+#define ATAConfiguration_PrimaryTiming_Device0RecoveryMode 0x0300
+#define ATAConfiguration_PrimaryTiming_Device0RecoveryMode_0 0x0000 // PIO 0, PIO 2, MDMA 0
+#define ATAConfiguration_PrimaryTiming_Device0RecoveryMode_1 0x0100 // PIO 3, MDMA 1
+#define ATAConfiguration_PrimaryTiming_Device0RecoveryMode_2 0x0200 // X
+#define ATAConfiguration_PrimaryTiming_Device0RecoveryMode_3 0x0300 // PIO 4, MDMA 2
+#define ATAConfiguration_PrimaryTiming_Device0IORDYSampleMode 0x3000
+#define ATAConfiguration_PrimaryTiming_Device0IORDYSampleMode_0 0x0000 // PIO 0
+#define ATAConfiguration_PrimaryTiming_Device0IORDYSampleMode_1 0x1000 // PIO 2, MDMA 0
+#define ATAConfiguration_PrimaryTiming_Device0IORDYSampleMode_2 0x2000 // PIO 3, PIO 4, MDMA 1, MDMA 2
+#define ATAConfiguration_PrimaryTiming_Device0IORDYSampleMode_3 0x3000 // X
+#define ATAConfiguration_PrimaryTiming_Device1TimingRegisterEnable 0x4000
+#define ATAConfiguration_PrimaryTiming_IDEDecodeEnable 0x8000
+
+#define ATAConfiguration_Device1Timing_PrimaryRecoveryMode 0x0003
+#define ATAConfiguration_Device1Timing_PrimaryRecoveryMode_0 0x0000
+#define ATAConfiguration_Device1Timing_PrimaryRecoveryMode_1 0x0001
+#define ATAConfiguration_Device1Timing_PrimaryRecoveryMode_2 0x0002
+#define ATAConfiguration_Device1Timing_PrimaryRecoveryMode_3 0x0003
+#define ATAConfiguration_Device1Timing_PrimaryIORDYSampleMode 0x000C
+#define ATAConfiguration_Device1Timing_PrimaryIORDYSampleMode_0 0x0000
+#define ATAConfiguration_Device1Timing_PrimaryIORDYSampleMode_1 0x0004
+#define ATAConfiguration_Device1Timing_PrimaryIORDYSampleMode_2 0x0008
+#define ATAConfiguration_Device1Timing_PrimaryIORDYSampleMode_3 0x000C
+#define ATAConfiguration_Device1Timing_SecondaryRecoveryMode 0x0030
+#define ATAConfiguration_Device1Timing_SecondaryRecoveryMode_0 0x0000
+#define ATAConfiguration_Device1Timing_SecondaryRecoveryMode_1 0x0010
+#define ATAConfiguration_Device1Timing_SecondaryRecoveryMode_2 0x0020
+#define ATAConfiguration_Device1Timing_SecondaryRecoveryMode_3 0x0030
+#define ATAConfiguration_Device1Timing_SecondaryIORDYSampleMode 0x00C0
+#define ATAConfiguration_Device1Timing_SecondaryIORDYSampleMode_0 0x0000
+#define ATAConfiguration_Device1Timing_SecondaryIORDYSampleMode_1 0x0040
+#define ATAConfiguration_Device1Timing_SecondaryIORDYSampleMode_2 0x0080
+#define ATAConfiguration_Device1Timing_SecondaryIORDYSampleMode_3 0x00C0
+
+#define ATAConfiguration_UDMAControl_PrimaryDevice0UDMAModeEnable 0x0001
+#define ATAConfiguration_UDMAControl_PrimaryDevice1UDMAModeEnable 0x0002
+#define ATAConfiguration_UDMAControl_SecondaryDevice0UDMAModeEnable 0x0004
+#define ATAConfiguration_UDMAControl_SecondaryDevice1UDMAModeEnable 0x0008
+
+#define ATAConfiguration_UDMATiming_PrimaryDevice0CycleTime 0x0003
+#define ATAConfiguration_UDMATiming_PrimaryDevice0CycleTime_0 0x0000 // UDMA 0
+#define ATAConfiguration_UDMATiming_PrimaryDevice0CycleTime_1 0x0001 // UDMA 1, UDMA 3, UDMA 5
+#define ATAConfiguration_UDMATiming_PrimaryDevice0CycleTime_2 0x0002 // UDMA 2, UDMA 4
+#define ATAConfiguration_UDMATiming_PrimaryDevice0CycleTime_3 0x0003 // X
+#define ATAConfiguration_UDMATiming_PrimaryDevice1CycleTime 0x0030
+#define ATAConfiguration_UDMATiming_PrimaryDevice1CycleTime_0 0x0000 // UDMA 0
+#define ATAConfiguration_UDMATiming_PrimaryDevice1CycleTime_1 0x0010 // UDMA 1, UDMA 3, UDMA 5
+#define ATAConfiguration_UDMATiming_PrimaryDevice1CycleTime_2 0x0020 // UDMA 2, UDMA 4
+#define ATAConfiguration_UDMATiming_PrimaryDevice1CycleTime_3 0x0030 // X
+#define ATAConfiguration_UDMATiming_SecondaryDevice0CycleTime 0x0300
+#define ATAConfiguration_UDMATiming_SecondaryDevice0CycleTime_0 0x0000 // UDMA 0
+#define ATAConfiguration_UDMATiming_SecondaryDevice0CycleTime_1 0x0100 // UDMA 1, UDMA 3, UDMA 5
+#define ATAConfiguration_UDMATiming_SecondaryDevice0CycleTime_2 0x0200 // UDMA 2, UDMA 4
+#define ATAConfiguration_UDMATiming_SecondaryDevice0CycleTime_3 0x0300 // X
+#define ATAConfiguration_UDMATiming_SecondaryDevice1CycleTime 0x3000
+#define ATAConfiguration_UDMATiming_SecondaryDevice1CycleTime_0 0x0000 // UDMA 0
+#define ATAConfiguration_UDMATiming_SecondaryDevice1CycleTime_1 0x1000 // UDMA 1, UDMA 3, UDMA 5
+#define ATAConfiguration_UDMATiming_SecondaryDevice1CycleTime_2 0x2000 // UDMA 2, UDMA 4
+#define ATAConfiguration_UDMATiming_SecondaryDevice1CycleTime_3 0x3000 // X
+
+#define ATAConfiguration_IDEIOConfiguration_PrimaryDevice066MhzEnable 0x00000001 // UDMA 3, UDMA 4
+#define ATAConfiguration_IDEIOConfiguration_PrimaryDevice166MhzEnable 0x00000002
+#define ATAConfiguration_IDEIOConfiguration_SecondaryDevice066MhzEnable 0x00000004
+#define ATAConfiguration_IDEIOConfiguration_SecondaryDevice166MhzEnable 0x00000008
+#define ATAConfiguration_IDEIOConfiguration_DeviceCable80Report 0x000000F0
+#define ATAConfiguration_IDEIOConfiguration_PrimaryDeviceCable80Report 0x00000030
+#define ATAConfiguration_IDEIOConfiguration_PrimaryDevice0Cable80Report 0x00000010 // UDMA 3, UDMA 4, UDMA 5
+#define ATAConfiguration_IDEIOConfiguration_PrimaryDevice1Cable80Report 0x00000020
+#define ATAConfiguration_IDEIOConfiguration_SecondaryDeviceCable80Report 0x000000C0
+#define ATAConfiguration_IDEIOConfiguration_SecondaryDevice0Cable80Report 0x00000040
+#define ATAConfiguration_IDEIOConfiguration_SecondaryDevice1Cable80Report 0x00000080
+#define ATAConfiguration_IDEIOConfiguration_PrimaryDevice0100MhzEnable 0x00001000 // UDMA 5
+#define ATAConfiguration_IDEIOConfiguration_PrimaryDevice1100MhzEnable 0x00002000
+#define ATAConfiguration_IDEIOConfiguration_SecondaryDevice0100MhzEnable 0x00004000
+#define ATAConfiguration_IDEIOConfiguration_SecondaryDevice1100MhzEnable 0x00008000
+#define ATAConfiguration_IDEIOConfiguration_ATA100IsSupported 0x00F00000
+
+enum _PIOTimingMode
+{
+ PIO0 = 0,
+ PIO1,
+ PIO2, // MDMA 0
+ PIO3, // MDMA 1
+ PIO4 // MDMA 2
+};
+
+enum _DMATimingMode
+{
+ MDMA0 = 0,
+ MDMA1,
+ MDMA2
+};
+
+enum _UDMATimingMode
+{
+ UDMA0 = 0,
+ UDMA1,
+ UDMA2,
+ UDMA3,
+ UDMA4,
+ UDMA5
+};
+
+
+enum rdc_controller_ids {
+ /* controller IDs */
+ RDC_17F31011,
+ RDC_17F31012
+};
+
+// callback function for driver
+
+static int __devinit rdc_init_one(
+ struct pci_dev *pdev,
+ const struct pci_device_id *ent
+ );
+
+// callback function for ata_port
+
+static int rdc_pata_port_start(
+ struct ata_port *ap
+ );
+
+static void rdc_pata_port_stop(
+ struct ata_port *ap
+ );
+
+static int rdc_pata_prereset(
+ struct ata_link *link,
+ unsigned long deadline
+ );
+
+static int rdc_pata_cable_detect(
+ struct ata_port *ap
+ );
+
+static void rdc_pata_set_piomode(
+ struct ata_port *ap,
+ struct ata_device *adev
+ );
+
+static void rdc_pata_set_dmamode(
+ struct ata_port *ap,
+ struct ata_device *adev
+ );
+
+// modified PCIDeviceIO code.
+
+static uint
+PCIDeviceIO_ReadPCIConfiguration(
+ struct pci_dev *pdev,
+ uint Offset,
+ uint Length,
+ void* pBuffer
+ );
+
+static uint
+PCIDeviceIO_WritePCIConfiguration(
+ struct pci_dev *pdev,
+ uint Offset,
+ uint Length,
+ void* pBuffer
+ );
+
+// modify ATAHostAdapter code
+
+static uint
+ATAHostAdapter_SetPrimaryPIO(
+ struct pci_dev *pdev,
+ uint DeviceID,
+ uint PIOTimingMode,
+ uint DMAEnable,
+ uint PrefetchPostingEnable
+ );
+
+static uint
+ATAHostAdapter_SetSecondaryPIO(
+ struct pci_dev *pdev,
+ uint DeviceID,
+ uint PIOTimingMode,
+ uint DMAEnable,
+ uint PrefetchPostingEnable
+ );
+
+static uint
+ATAHostAdapter_SetPrimaryUDMA(
+ struct pci_dev *pdev,
+ uint DeviceID,
+ uint UDMAEnable,
+ uint UDMATimingMode
+ );
+
+static uint
+ATAHostAdapter_SetSecondaryUDMA(
+ struct pci_dev *pdev,
+ uint DeviceID,
+ uint UDMAEnable,
+ uint UDMATimingMode
+ );
+
+#endif