pata_sis: Implement MWDMA for the UDMA 133 capable chips

[safe/jmp/linux-2.6] / drivers / ata / pata_ns87410.c

diff --git a/drivers/ata/pata_ns87410.c b/drivers/ata/pata_ns87410.c
index 9fe66fd..ca53fac 100644 (file)
--- a/drivers/ata/pata_ns87410.c
+++ b/drivers/ata/pata_ns87410.c
@@ -1,7 +1,6 @@
 /*
  * pata_ns87410.c      - National Semiconductor 87410 PATA for new ATA layer
  *                       (C) 2006 Red Hat Inc
- *                       Alan Cox <alan@redhat.com>
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -50,21 +49,7 @@ static int ns87410_pre_reset(struct ata_link *link, unsigned long deadline)
        if (!pci_test_config_bits(pdev, &ns87410_enable_bits[ap->port_no]))
                return -ENOENT;
 
-       return ata_std_prereset(link, deadline);
-}
-
-/**
- *     ns87410_error_handler           -       probe reset
- *     @ap: ATA port
- *
- *     Perform the ATA probe and bus reset sequence plus specific handling
- *     for this hardware. The MPIIX has the enable bits in a different place
- *     to PIIX4 and friends. As a pure PIO device it has no cable detect
- */
-
-static void ns87410_error_handler(struct ata_port *ap)
-{
-       ata_bmdma_drive_eh(ap, ns87410_pre_reset, ata_std_softreset, NULL, ata_std_postreset);
+       return ata_sff_prereset(link, deadline);
 }
 
 /**
@@ -105,9 +90,9 @@ static void ns87410_set_piomode(struct ata_port *ap, struct ata_device *adev)
                return;
        }
 
-       at.active = FIT(at.active, 2, 16) - 2;
-       at.setup = FIT(at.setup, 1, 4) - 1;
-       at.recover = FIT(at.recover, 1, 12) - 1;
+       at.active = clamp_val(at.active, 2, 16) - 2;
+       at.setup = clamp_val(at.setup, 1, 4) - 1;
+       at.recover = clamp_val(at.recover, 1, 12) - 1;
 
        idetcr = (at.setup << 6) | (recoverbits[at.recover] << 3) | activebits[at.active];
 
@@ -119,7 +104,7 @@ static void ns87410_set_piomode(struct ata_port *ap, struct ata_device *adev)
 }
 
 /**
- *     ns87410_qc_issue_prot   -       command issue
+ *     ns87410_qc_issue        -       command issue
  *     @qc: command pending
  *
  *     Called when the libata layer is about to issue a command. We wrap
@@ -127,7 +112,7 @@ static void ns87410_set_piomode(struct ata_port *ap, struct ata_device *adev)
  *     necessary.
  */
 
-static unsigned int ns87410_qc_issue_prot(struct ata_queued_cmd *qc)
+static unsigned int ns87410_qc_issue(struct ata_queued_cmd *qc)
 {
        struct ata_port *ap = qc->ap;
        struct ata_device *adev = qc->dev;
@@ -140,64 +125,30 @@ static unsigned int ns87410_qc_issue_prot(struct ata_queued_cmd *qc)
        if (adev->pio_mode && adev != ap->private_data)
                ns87410_set_piomode(ap, adev);
 
-       return ata_qc_issue_prot(qc);
+       return ata_sff_qc_issue(qc);
 }
 
 static struct scsi_host_template ns87410_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,
+       ATA_PIO_SHT(DRV_NAME),
 };
 
 static struct ata_port_operations ns87410_port_ops = {
-       .set_piomode    = ns87410_set_piomode,
-
-       .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,
-
-       .freeze         = ata_bmdma_freeze,
-       .thaw           = ata_bmdma_thaw,
-       .error_handler  = ns87410_error_handler,
-       .post_internal_cmd = ata_bmdma_post_internal_cmd,
+       .inherits       = &ata_sff_port_ops,
+       .qc_issue       = ns87410_qc_issue,
        .cable_detect   = ata_cable_40wire,
-
-       .qc_prep        = ata_qc_prep,
-       .qc_issue       = ns87410_qc_issue_prot,
-
-       .data_xfer      = ata_data_xfer,
-
-       .irq_handler    = ata_interrupt,
-       .irq_clear      = ata_bmdma_irq_clear,
-       .irq_on         = ata_irq_on,
-
-       .port_start     = ata_sff_port_start,
+       .set_piomode    = ns87410_set_piomode,
+       .prereset       = ns87410_pre_reset,
 };
 
 static int ns87410_init_one(struct pci_dev *dev, const struct pci_device_id *id)
 {
        static const struct ata_port_info info = {
-               .sht = &ns87410_sht,
                .flags = ATA_FLAG_SLAVE_POSS,
-               .pio_mask = 0x0F,
+               .pio_mask = ATA_PIO3,
                .port_ops = &ns87410_port_ops
        };
        const struct ata_port_info *ppi[] = { &info, NULL };
-       return ata_pci_init_one(dev, ppi);
+       return ata_pci_sff_init_one(dev, ppi, &ns87410_sht, NULL);
 }
 
 static const struct pci_device_id ns87410[] = {