]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - drivers/ata/sata_nv.c
Merge master.kernel.org:/pub/scm/linux/kernel/git/herbert/crypto-2.6
[linux-2.6-omap-h63xx.git] / drivers / ata / sata_nv.c
index 02169740ed245dd2bddc51f9297edf790b07768e..adfa693db53dea48cd7e6987c532f1bd4c1ccebe 100644 (file)
@@ -49,7 +49,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME                       "sata_nv"
-#define DRV_VERSION                    "3.3"
+#define DRV_VERSION                    "3.4"
 
 #define NV_ADMA_DMA_BOUNDARY           0xffffffffUL
 
@@ -229,7 +229,6 @@ struct nv_host_priv {
 #define NV_ADMA_CHECK_INTR(GCTL, PORT) ((GCTL) & ( 1 << (19 + (12 * (PORT)))))
 
 static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent);
-static void nv_remove_one (struct pci_dev *pdev);
 #ifdef CONFIG_PM
 static int nv_pci_device_resume(struct pci_dev *pdev);
 #endif
@@ -257,6 +256,8 @@ static void nv_adma_port_stop(struct ata_port *ap);
 static int nv_adma_port_suspend(struct ata_port *ap, pm_message_t mesg);
 static int nv_adma_port_resume(struct ata_port *ap);
 #endif
+static void nv_adma_freeze(struct ata_port *ap);
+static void nv_adma_thaw(struct ata_port *ap);
 static void nv_adma_error_handler(struct ata_port *ap);
 static void nv_adma_host_stop(struct ata_host *host);
 static void nv_adma_post_internal_cmd(struct ata_queued_cmd *qc);
@@ -286,12 +287,6 @@ static const struct pci_device_id nv_pci_tbl[] = {
        { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA), GENERIC },
        { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA2), GENERIC },
        { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA3), GENERIC },
-       { PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID,
-               PCI_ANY_ID, PCI_ANY_ID,
-               PCI_CLASS_STORAGE_IDE<<8, 0xffff00, GENERIC },
-       { PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID,
-               PCI_ANY_ID, PCI_ANY_ID,
-               PCI_CLASS_STORAGE_RAID<<8, 0xffff00, GENERIC },
 
        { } /* terminate list */
 };
@@ -304,7 +299,7 @@ static struct pci_driver nv_pci_driver = {
        .suspend                = ata_pci_device_suspend,
        .resume                 = nv_pci_device_resume,
 #endif
-       .remove                 = nv_remove_one,
+       .remove                 = ata_pci_remove_one,
 };
 
 static struct scsi_host_template nv_sht = {
@@ -323,10 +318,6 @@ static struct scsi_host_template nv_sht = {
        .slave_configure        = ata_scsi_slave_config,
        .slave_destroy          = ata_scsi_slave_destroy,
        .bios_param             = ata_std_bios_param,
-#ifdef CONFIG_PM
-       .suspend                = ata_scsi_device_suspend,
-       .resume                 = ata_scsi_device_resume,
-#endif
 };
 
 static struct scsi_host_template nv_adma_sht = {
@@ -345,10 +336,6 @@ static struct scsi_host_template nv_adma_sht = {
        .slave_configure        = nv_adma_slave_config,
        .slave_destroy          = ata_scsi_slave_destroy,
        .bios_param             = ata_std_bios_param,
-#ifdef CONFIG_PM
-       .suspend                = ata_scsi_device_suspend,
-       .resume                 = ata_scsi_device_resume,
-#endif
 };
 
 static const struct ata_port_operations nv_generic_ops = {
@@ -444,8 +431,8 @@ static const struct ata_port_operations nv_adma_ops = {
        .bmdma_status           = ata_bmdma_status,
        .qc_prep                = nv_adma_qc_prep,
        .qc_issue               = nv_adma_qc_issue,
-       .freeze                 = nv_ck804_freeze,
-       .thaw                   = nv_ck804_thaw,
+       .freeze                 = nv_adma_freeze,
+       .thaw                   = nv_adma_thaw,
        .error_handler          = nv_adma_error_handler,
        .post_internal_cmd      = nv_adma_post_internal_cmd,
        .data_xfer              = ata_data_xfer,
@@ -463,7 +450,7 @@ static const struct ata_port_operations nv_adma_ops = {
        .host_stop              = nv_adma_host_stop,
 };
 
-static struct ata_port_info nv_port_info[] = {
+static const struct ata_port_info nv_port_info[] = {
        /* generic */
        {
                .sht            = &nv_sht,
@@ -816,7 +803,15 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance)
                        u32 gen_ctl;
                        u32 notifier, notifier_error;
 
-                       /* if in ATA register mode, use standard ata interrupt handler */
+                       /* if ADMA is disabled, use standard ata interrupt handler */
+                       if (pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) {
+                               u8 irq_stat = readb(host->iomap[NV_MMIO_BAR] + NV_INT_STATUS_CK804)
+                                       >> (NV_INT_PORT_SHIFT * i);
+                               handled += nv_host_intr(ap, irq_stat);
+                               continue;
+                       }
+
+                       /* if in ATA register mode, check for standard interrupts */
                        if (pp->flags & NV_ADMA_PORT_REGISTER_MODE) {
                                u8 irq_stat = readb(host->iomap[NV_MMIO_BAR] + NV_INT_STATUS_CK804)
                                        >> (NV_INT_PORT_SHIFT * i);
@@ -826,7 +821,6 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance)
                                            command is active, to prevent losing interrupts. */
                                        irq_stat |= NV_INT_DEV;
                                handled += nv_host_intr(ap, irq_stat);
-                               continue;
                        }
 
                        notifier = readl(mmio + NV_ADMA_NOTIFIER);
@@ -912,22 +906,77 @@ static irqreturn_t nv_adma_interrupt(int irq, void *dev_instance)
        return IRQ_RETVAL(handled);
 }
 
+static void nv_adma_freeze(struct ata_port *ap)
+{
+       struct nv_adma_port_priv *pp = ap->private_data;
+       void __iomem *mmio = pp->ctl_block;
+       u16 tmp;
+
+       nv_ck804_freeze(ap);
+
+       if (pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE)
+               return;
+
+       /* clear any outstanding CK804 notifications */
+       writeb( NV_INT_ALL << (ap->port_no * NV_INT_PORT_SHIFT),
+               ap->host->iomap[NV_MMIO_BAR] + NV_INT_STATUS_CK804);
+
+       /* Disable interrupt */
+       tmp = readw(mmio + NV_ADMA_CTL);
+       writew( tmp & ~(NV_ADMA_CTL_AIEN | NV_ADMA_CTL_HOTPLUG_IEN),
+               mmio + NV_ADMA_CTL);
+       readw( mmio + NV_ADMA_CTL );    /* flush posted write */
+}
+
+static void nv_adma_thaw(struct ata_port *ap)
+{
+       struct nv_adma_port_priv *pp = ap->private_data;
+       void __iomem *mmio = pp->ctl_block;
+       u16 tmp;
+
+       nv_ck804_thaw(ap);
+
+       if (pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE)
+               return;
+
+       /* Enable interrupt */
+       tmp = readw(mmio + NV_ADMA_CTL);
+       writew( tmp | (NV_ADMA_CTL_AIEN | NV_ADMA_CTL_HOTPLUG_IEN),
+               mmio + NV_ADMA_CTL);
+       readw( mmio + NV_ADMA_CTL );    /* flush posted write */
+}
+
 static void nv_adma_irq_clear(struct ata_port *ap)
 {
        struct nv_adma_port_priv *pp = ap->private_data;
        void __iomem *mmio = pp->ctl_block;
-       u16 status = readw(mmio + NV_ADMA_STAT);
-       u32 notifier = readl(mmio + NV_ADMA_NOTIFIER);
-       u32 notifier_error = readl(mmio + NV_ADMA_NOTIFIER_ERROR);
-       void __iomem *dma_stat_addr = ap->ioaddr.bmdma_addr + ATA_DMA_STATUS;
+       u32 notifier_clears[2];
+
+       if (pp->flags & NV_ADMA_ATAPI_SETUP_COMPLETE) {
+               ata_bmdma_irq_clear(ap);
+               return;
+       }
+
+       /* clear any outstanding CK804 notifications */
+       writeb( NV_INT_ALL << (ap->port_no * NV_INT_PORT_SHIFT),
+               ap->host->iomap[NV_MMIO_BAR] + NV_INT_STATUS_CK804);
 
        /* clear ADMA status */
-       writew(status, mmio + NV_ADMA_STAT);
-       writel(notifier | notifier_error,
-              pp->notifier_clear_block);
+       writew(0xffff, mmio + NV_ADMA_STAT);
 
-       /** clear legacy status */
-       iowrite8(ioread8(dma_stat_addr), dma_stat_addr);
+       /* clear notifiers - note both ports need to be written with
+          something even though we are only clearing on one */
+       if (ap->port_no == 0) {
+               notifier_clears[0] = 0xFFFFFFFF;
+               notifier_clears[1] = 0;
+       } else {
+               notifier_clears[0] = 0;
+               notifier_clears[1] = 0xFFFFFFFF;
+       }
+       pp = ap->host->ports[0]->private_data;
+       writel(notifier_clears[0], pp->notifier_clear_block);
+       pp = ap->host->ports[1]->private_data;
+       writel(notifier_clears[1], pp->notifier_clear_block);
 }
 
 static void nv_adma_post_internal_cmd(struct ata_queued_cmd *qc)
@@ -1405,7 +1454,8 @@ static void nv_ck804_thaw(struct ata_port *ap)
        writeb(mask, mmio_base + NV_INT_ENABLE_CK804);
 }
 
-static int nv_hardreset(struct ata_port *ap, unsigned int *class)
+static int nv_hardreset(struct ata_port *ap, unsigned int *class,
+                       unsigned long deadline)
 {
        unsigned int dummy;
 
@@ -1413,7 +1463,7 @@ static int nv_hardreset(struct ata_port *ap, unsigned int *class)
         * some controllers.  Don't classify on hardreset.  For more
         * info, see http://bugme.osdl.org/show_bug.cgi?id=3352
         */
-       return sata_std_hardreset(ap, &dummy);
+       return sata_std_hardreset(ap, &dummy, deadline);
 }
 
 static void nv_error_handler(struct ata_port *ap)
@@ -1480,7 +1530,7 @@ static void nv_adma_error_handler(struct ata_port *ap)
 static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 {
        static int printed_version = 0;
-       const struct ata_port_info *ppi[2];
+       const struct ata_port_info *ppi[] = { NULL, NULL };
        struct ata_host *host;
        struct nv_host_priv *hpriv;
        int rc;
@@ -1508,8 +1558,8 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
                type = ADMA;
        }
 
-       ppi[0] = ppi[1] = &nv_port_info[type];
-       rc = ata_pci_prepare_native_host(pdev, ppi, 2, &host);
+       ppi[0] = &nv_port_info[type];
+       rc = ata_pci_prepare_native_host(pdev, ppi, &host);
        if (rc)
                return rc;
 
@@ -1556,15 +1606,6 @@ static int nv_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
                                 IRQF_SHARED, ppi[0]->sht);
 }
 
-static void nv_remove_one (struct pci_dev *pdev)
-{
-       struct ata_host *host = dev_get_drvdata(&pdev->dev);
-       struct nv_host_priv *hpriv = host->private_data;
-
-       ata_pci_remove_one(pdev);
-       kfree(hpriv);
-}
-
 #ifdef CONFIG_PM
 static int nv_pci_device_resume(struct pci_dev *pdev)
 {