sata_fsl: Split hard and soft reset
[safe/jmp/linux-2.6] / drivers / ata / pata_cs5530.c
index 78c7cdf..c974b05 100644 (file)
@@ -1,7 +1,6 @@
 /*
  * pata-cs5530.c       - CS5530 PATA for new ATA layer
  *                       (C) 2005 Red Hat Inc
- *                       Alan Cox <alan@redhat.com>
  *
  * based upon cs5530.c by Mark Lord.
  *
@@ -35,7 +34,7 @@
 #include <linux/dmi.h>
 
 #define DRV_NAME       "pata_cs5530"
-#define DRV_VERSION    "0.7.2"
+#define DRV_VERSION    "0.7.4"
 
 static void __iomem *cs5530_port_base(struct ata_port *ap)
 {
@@ -133,101 +132,50 @@ static void cs5530_set_dmamode(struct ata_port *ap, struct ata_device *adev)
 }
 
 /**
- *     cs5530_qc_issue_prot    -       command issue
+ *     cs5530_qc_issue         -       command issue
  *     @qc: command pending
  *
  *     Called when the libata layer is about to issue a command. We wrap
  *     this interface so that we can load the correct ATA timings if
- *     neccessary.  Specifically we have a problem that there is only
+ *     necessary.  Specifically we have a problem that there is only
  *     one MWDMA/UDMA bit.
  */
 
-static unsigned int cs5530_qc_issue_prot(struct ata_queued_cmd *qc)
+static unsigned int cs5530_qc_issue(struct ata_queued_cmd *qc)
 {
        struct ata_port *ap = qc->ap;
        struct ata_device *adev = qc->dev;
        struct ata_device *prev = ap->private_data;
 
        /* See if the DMA settings could be wrong */
-       if (adev->dma_mode != 0 && adev != prev && prev != NULL) {
+       if (ata_dma_enabled(adev) && adev != prev && prev != NULL) {
                /* Maybe, but do the channels match MWDMA/UDMA ? */
-               if ((adev->dma_mode >= XFER_UDMA_0 && prev->dma_mode < XFER_UDMA_0) ||
-                   (adev->dma_mode < XFER_UDMA_0 && prev->dma_mode >= XFER_UDMA_0))
+               if ((ata_using_udma(adev) && !ata_using_udma(prev)) ||
+                   (ata_using_udma(prev) && !ata_using_udma(adev)))
                        /* Switch the mode bits */
                        cs5530_set_dmamode(ap, adev);
        }
 
-       return ata_qc_issue_prot(qc);
+       return ata_sff_qc_issue(qc);
 }
 
-static int cs5530_pre_reset(struct ata_port *ap)
-{
-       ap->cbl = ATA_CBL_PATA40;
-       return ata_std_prereset(ap);
-}
-
-static void cs5530_error_handler(struct ata_port *ap)
-{
-       return ata_bmdma_drive_eh(ap, cs5530_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
-}
-
-
 static struct scsi_host_template cs5530_sht = {
-       .module                 = THIS_MODULE,
-       .name                   = DRV_NAME,
-       .ioctl                  = ata_scsi_ioctl,
-       .queuecommand           = ata_scsi_queuecmd,
-       .can_queue              = ATA_DEF_QUEUE,
-       .this_id                = ATA_SHT_THIS_ID,
-       .sg_tablesize           = LIBATA_MAX_PRD,
-       .cmd_per_lun            = ATA_SHT_CMD_PER_LUN,
-       .emulated               = ATA_SHT_EMULATED,
-       .use_clustering         = ATA_SHT_USE_CLUSTERING,
-       .proc_name              = DRV_NAME,
-       .dma_boundary           = ATA_DMA_BOUNDARY,
-       .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,
+       ATA_BMDMA_SHT(DRV_NAME),
+       .sg_tablesize   = LIBATA_DUMB_MAX_PRD,
 };
 
 static struct ata_port_operations cs5530_port_ops = {
-       .port_disable   = ata_port_disable,
-       .set_piomode    = cs5530_set_piomode,
-       .set_dmamode    = cs5530_set_dmamode,
-       .mode_filter    = ata_pci_default_filter,
-
-       .tf_load        = ata_tf_load,
-       .tf_read        = ata_tf_read,
-       .check_status   = ata_check_status,
-       .exec_command   = ata_exec_command,
-       .dev_select     = ata_std_dev_select,
-
-       .bmdma_setup    = ata_bmdma_setup,
-       .bmdma_start    = ata_bmdma_start,
-       .bmdma_stop     = ata_bmdma_stop,
-       .bmdma_status   = ata_bmdma_status,
+       .inherits       = &ata_bmdma_port_ops,
 
-       .freeze         = ata_bmdma_freeze,
-       .thaw           = ata_bmdma_thaw,
-       .error_handler  = cs5530_error_handler,
-       .post_internal_cmd = ata_bmdma_post_internal_cmd,
+       .qc_prep        = ata_sff_dumb_qc_prep,
+       .qc_issue       = cs5530_qc_issue,
 
-       .qc_prep        = ata_qc_prep,
-       .qc_issue       = cs5530_qc_issue_prot,
-
-       .data_xfer      = ata_data_xfer,
-
-       .irq_handler    = ata_interrupt,
-       .irq_clear      = ata_bmdma_irq_clear,
-       .irq_on         = ata_irq_on,
-       .irq_ack        = ata_irq_ack,
-
-       .port_start     = ata_port_start,
+       .cable_detect   = ata_cable_40wire,
+       .set_piomode    = cs5530_set_piomode,
+       .set_dmamode    = cs5530_set_dmamode,
 };
 
-static struct dmi_system_id palmax_dmi_table[] = {
+static const struct dmi_system_id palmax_dmi_table[] = {
        {
                .ident = "Palmax PD1100",
                .matches = {
@@ -279,7 +227,7 @@ static int cs5530_init_chip(void)
        }
 
        pci_set_master(cs5530_0);
-       pci_set_mwi(cs5530_0);
+       pci_try_set_mwi(cs5530_0);
 
        /*
         * Set PCI CacheLineSize to 16-bytes:
@@ -348,41 +296,55 @@ fail_put:
 
 static int cs5530_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
 {
-       static struct ata_port_info info = {
-               .sht = &cs5530_sht,
-               .flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST,
-               .pio_mask = 0x1f,
-               .mwdma_mask = 0x07,
-               .udma_mask = 0x07,
+       static const struct ata_port_info info = {
+               .flags = ATA_FLAG_SLAVE_POSS,
+               .pio_mask = ATA_PIO4,
+               .mwdma_mask = ATA_MWDMA2,
+               .udma_mask = ATA_UDMA2,
                .port_ops = &cs5530_port_ops
        };
        /* The docking connector doesn't do UDMA, and it seems not MWDMA */
-       static struct ata_port_info info_palmax_secondary = {
-               .sht = &cs5530_sht,
-               .flags = ATA_FLAG_SLAVE_POSS|ATA_FLAG_SRST,
-               .pio_mask = 0x1f,
+       static const struct ata_port_info info_palmax_secondary = {
+               .flags = ATA_FLAG_SLAVE_POSS,
+               .pio_mask = ATA_PIO4,
                .port_ops = &cs5530_port_ops
        };
-       static struct ata_port_info *port_info[2] = { &info, &info };
+       const struct ata_port_info *ppi[] = { &info, NULL };
+       int rc;
+
+       rc = pcim_enable_device(pdev);
+       if (rc)
+               return rc;
 
        /* Chip initialisation */
        if (cs5530_init_chip())
                return -ENODEV;
 
        if (cs5530_is_palmax())
-               port_info[1] = &info_palmax_secondary;
+               ppi[1] = &info_palmax_secondary;
 
        /* Now kick off ATA set up */
-       return ata_pci_init_one(pdev, port_info, 2);
+       return ata_pci_sff_init_one(pdev, ppi, &cs5530_sht, NULL);
 }
 
+#ifdef CONFIG_PM
 static int cs5530_reinit_one(struct pci_dev *pdev)
 {
+       struct ata_host *host = dev_get_drvdata(&pdev->dev);
+       int rc;
+
+       rc = ata_pci_device_do_resume(pdev);
+       if (rc)
+               return rc;
+
        /* If we fail on resume we are doomed */
        if (cs5530_init_chip())
-               BUG();
-       return ata_pci_device_resume(pdev);
+               return -EIO;
+
+       ata_host_resume(host);
+       return 0;
 }
+#endif /* CONFIG_PM */
 
 static const struct pci_device_id cs5530[] = {
        { PCI_VDEVICE(CYRIX, PCI_DEVICE_ID_CYRIX_5530_IDE), },
@@ -395,8 +357,10 @@ static struct pci_driver cs5530_pci_driver = {
        .id_table       = cs5530,
        .probe          = cs5530_init_one,
        .remove         = ata_pci_remove_one,
+#ifdef CONFIG_PM
        .suspend        = ata_pci_device_suspend,
        .resume         = cs5530_reinit_one,
+#endif
 };
 
 static int __init cs5530_init(void)