Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart

[pandora-kernel.git] / drivers / ata / pata_cmd64x.c

diff --git a/drivers/ata/pata_cmd64x.c b/drivers/ata/pata_cmd64x.c
index 29a60df..449162c 100644 (file)
--- a/drivers/ata/pata_cmd64x.c
+++ b/drivers/ata/pata_cmd64x.c
@@ -31,7 +31,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME "pata_cmd64x"
-#define DRV_VERSION "0.2.1"
+#define DRV_VERSION "0.2.2"
 
 /*
  * CMD64x specific registers definition.
@@ -197,7 +197,7 @@ static void cmd64x_set_piomode(struct ata_port *ap, struct ata_device *adev)
 static void cmd64x_set_dmamode(struct ata_port *ap, struct ata_device *adev)
 {
        static const u8 udma_data[] = {
-               0x31, 0x21, 0x11, 0x25, 0x15, 0x05
+               0x30, 0x20, 0x10, 0x20, 0x10, 0x00
        };
        static const u8 mwdma_data[] = {
                0x30, 0x20, 0x10
@@ -213,12 +213,21 @@ static void cmd64x_set_dmamode(struct ata_port *ap, struct ata_device *adev)
        pci_read_config_byte(pdev, pciD, &regD);
        pci_read_config_byte(pdev, pciU, &regU);
 
-       regD &= ~(0x20 << shift);
-       regU &= ~(0x35 << shift);
+       /* DMA bits off */
+       regD &= ~(0x20 << adev->devno);
+       /* DMA control bits */
+       regU &= ~(0x30 << shift);
+       /* DMA timing bits */
+       regU &= ~(0x05 << adev->devno);
 
-       if (adev->dma_mode >= XFER_UDMA_0)
+       if (adev->dma_mode >= XFER_UDMA_0) {
+               /* Merge thge timing value */
                regU |= udma_data[adev->dma_mode - XFER_UDMA_0] << shift;
-       else
+               /* Merge the control bits */
+               regU |= 1 << adev->devno; /* UDMA on */
+               if (adev->dma_mode > 2) /* 15nS timing */
+                       regU |= 4 << adev->devno;
+       } else
                regD |= mwdma_data[adev->dma_mode - XFER_MW_DMA_0] << shift;
 
        regD |= 0x20 << adev->devno;
@@ -239,8 +248,8 @@ static void cmd648_bmdma_stop(struct ata_queued_cmd *qc)
        struct ata_port *ap = qc->ap;
        struct pci_dev *pdev = to_pci_dev(ap->host->dev);
        u8 dma_intr;
-       int dma_reg = ap->port_no ? ARTTIM23_INTR_CH1 : CFR_INTR_CH0;
-       int dma_mask = ap->port_no ? ARTTIM2 : CFR;
+       int dma_mask = ap->port_no ? ARTTIM23_INTR_CH1 : CFR_INTR_CH0;
+       int dma_reg = ap->port_no ? ARTTIM2 : CFR;
 
        ata_bmdma_stop(qc);
 
@@ -268,7 +277,6 @@ static struct scsi_host_template cmd64x_sht = {
        .can_queue              = ATA_DEF_QUEUE,
        .this_id                = ATA_SHT_THIS_ID,
        .sg_tablesize           = LIBATA_MAX_PRD,
-       .max_sectors            = ATA_MAX_SECTORS,
        .cmd_per_lun            = ATA_SHT_CMD_PER_LUN,
        .emulated               = ATA_SHT_EMULATED,
        .use_clustering         = ATA_SHT_USE_CLUSTERING,
@@ -277,6 +285,8 @@ static struct scsi_host_template cmd64x_sht = {
        .slave_configure        = ata_scsi_slave_config,
        .slave_destroy          = ata_scsi_slave_destroy,
        .bios_param             = ata_std_bios_param,
+       .resume                 = ata_scsi_device_resume,
+       .suspend                = ata_scsi_device_suspend,
 };
 
 static struct ata_port_operations cmd64x_port_ops = {
@@ -469,6 +479,20 @@ static int cmd64x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
        return ata_pci_init_one(pdev, port_info, 2);
 }
 
+static int cmd64x_reinit_one(struct pci_dev *pdev)
+{
+       u8 mrdmode;
+       pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 64);
+       pci_read_config_byte(pdev, MRDMODE, &mrdmode);
+       mrdmode &= ~ 0x30;      /* IRQ set up */
+       mrdmode |= 0x02;        /* Memory read line enable */
+       pci_write_config_byte(pdev, MRDMODE, mrdmode);
+#ifdef CONFIG_PPC
+       pci_write_config_byte(pdev, UDIDETCR0, 0xF0);
+#endif
+       return ata_pci_device_resume(pdev);
+}
+
 static const struct pci_device_id cmd64x[] = {
        { PCI_VDEVICE(CMD, PCI_DEVICE_ID_CMD_643), 0 },
        { PCI_VDEVICE(CMD, PCI_DEVICE_ID_CMD_646), 1 },
@@ -482,7 +506,9 @@ static struct pci_driver cmd64x_pci_driver = {
        .name           = DRV_NAME,
        .id_table       = cmd64x,
        .probe          = cmd64x_init_one,
-       .remove         = ata_pci_remove_one
+       .remove         = ata_pci_remove_one,
+       .suspend        = ata_pci_device_suspend,
+       .resume         = cmd64x_reinit_one,
 };
 
 static int __init cmd64x_init(void)