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Diffstat (limited to 'drivers/scsi/dmx3191d.c')
-rw-r--r--drivers/scsi/dmx3191d.c103
1 files changed, 40 insertions, 63 deletions
diff --git a/drivers/scsi/dmx3191d.c b/drivers/scsi/dmx3191d.c
index 4b0dd8c56707..d6d091b2f3c7 100644
--- a/drivers/scsi/dmx3191d.c
+++ b/drivers/scsi/dmx3191d.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
dmx3191d.c - driver for the Domex DMX3191D SCSI card.
Copyright (C) 2000 by Massimo Piccioni <dafastidio@libero.it>
@@ -5,19 +6,6 @@
Based on the generic NCR5380 driver by Drew Eckhardt et al.
- 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
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/init.h>
@@ -33,20 +21,16 @@
/*
* Definitions for the generic 5380 driver.
*/
-#define AUTOSENSE
-#define NCR5380_read(reg) inb(port + reg)
-#define NCR5380_write(reg, value) outb(value, port + reg)
+#define NCR5380_read(reg) inb(hostdata->base + (reg))
+#define NCR5380_write(reg, value) outb(value, hostdata->base + (reg))
-#define NCR5380_implementation_fields unsigned int port
-#define NCR5380_local_declare() NCR5380_implementation_fields
-#define NCR5380_setup(instance) port = instance->io_port
+#define NCR5380_dma_xfer_len NCR5380_dma_xfer_none
+#define NCR5380_dma_recv_setup NCR5380_dma_setup_none
+#define NCR5380_dma_send_setup NCR5380_dma_setup_none
+#define NCR5380_dma_residual NCR5380_dma_residual_none
-/*
- * Includes needed for NCR5380.[ch] (XXX: Move them to NCR5380.h)
- */
-#include <linux/delay.h>
-#include "scsi.h"
+#define NCR5380_implementation_fields /* none */
#include "NCR5380.h"
#include "NCR5380.c"
@@ -55,23 +39,27 @@
#define DMX3191D_REGION_LEN 8
-static struct scsi_host_template dmx3191d_driver_template = {
+static const struct scsi_host_template dmx3191d_driver_template = {
+ .module = THIS_MODULE,
.proc_name = DMX3191D_DRIVER_NAME,
.name = "Domex DMX3191D",
+ .info = NCR5380_info,
.queuecommand = NCR5380_queue_command,
.eh_abort_handler = NCR5380_abort,
- .eh_bus_reset_handler = NCR5380_bus_reset,
+ .eh_host_reset_handler = NCR5380_host_reset,
.can_queue = 32,
.this_id = 7,
.sg_tablesize = SG_ALL,
.cmd_per_lun = 2,
- .use_clustering = DISABLE_CLUSTERING,
+ .dma_boundary = PAGE_SIZE - 1,
+ .cmd_size = sizeof(struct NCR5380_cmd),
};
static int dmx3191d_probe_one(struct pci_dev *pdev,
const struct pci_device_id *id)
{
struct Scsi_Host *shost;
+ struct NCR5380_hostdata *hostdata;
unsigned long io;
int error = -ENODEV;
@@ -89,32 +77,34 @@ static int dmx3191d_probe_one(struct pci_dev *pdev,
sizeof(struct NCR5380_hostdata));
if (!shost)
goto out_release_region;
- shost->io_port = io;
- shost->irq = pdev->irq;
-
- NCR5380_init(shost, FLAG_NO_PSEUDO_DMA | FLAG_DTC3181E);
-
- if (request_irq(pdev->irq, NCR5380_intr, IRQF_SHARED,
- DMX3191D_DRIVER_NAME, shost)) {
- /*
- * Steam powered scsi controllers run without an IRQ anyway
- */
- printk(KERN_WARNING "dmx3191: IRQ %d not available - "
- "switching to polled mode.\n", pdev->irq);
- shost->irq = SCSI_IRQ_NONE;
- }
+
+ hostdata = shost_priv(shost);
+ hostdata->base = io;
+
+ /* This card does not seem to raise an interrupt on pdev->irq.
+ * Steam-powered SCSI controllers run without an IRQ anyway.
+ */
+ shost->irq = NO_IRQ;
+
+ error = NCR5380_init(shost, 0);
+ if (error)
+ goto out_host_put;
+
+ NCR5380_maybe_reset_bus(shost);
pci_set_drvdata(pdev, shost);
error = scsi_add_host(shost, &pdev->dev);
if (error)
- goto out_free_irq;
+ goto out_exit;
scsi_scan_host(shost);
return 0;
- out_free_irq:
- free_irq(shost->irq, shost);
+out_exit:
+ NCR5380_exit(shost);
+out_host_put:
+ scsi_host_put(shost);
out_release_region:
release_region(io, DMX3191D_REGION_LEN);
out_disable_device:
@@ -126,20 +116,18 @@ static int dmx3191d_probe_one(struct pci_dev *pdev,
static void dmx3191d_remove_one(struct pci_dev *pdev)
{
struct Scsi_Host *shost = pci_get_drvdata(pdev);
+ struct NCR5380_hostdata *hostdata = shost_priv(shost);
+ unsigned long io = hostdata->base;
scsi_remove_host(shost);
NCR5380_exit(shost);
-
- if (shost->irq != SCSI_IRQ_NONE)
- free_irq(shost->irq, shost);
- release_region(shost->io_port, DMX3191D_REGION_LEN);
- pci_disable_device(pdev);
-
scsi_host_put(shost);
+ release_region(io, DMX3191D_REGION_LEN);
+ pci_disable_device(pdev);
}
-static struct pci_device_id dmx3191d_pci_tbl[] = {
+static const struct pci_device_id dmx3191d_pci_tbl[] = {
{PCI_VENDOR_ID_DOMEX, PCI_DEVICE_ID_DOMEX_DMX3191D,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4},
{ }
@@ -153,18 +141,7 @@ static struct pci_driver dmx3191d_pci_driver = {
.remove = dmx3191d_remove_one,
};
-static int __init dmx3191d_init(void)
-{
- return pci_register_driver(&dmx3191d_pci_driver);
-}
-
-static void __exit dmx3191d_exit(void)
-{
- pci_unregister_driver(&dmx3191d_pci_driver);
-}
-
-module_init(dmx3191d_init);
-module_exit(dmx3191d_exit);
+module_pci_driver(dmx3191d_pci_driver);
MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
MODULE_DESCRIPTION("Domex DMX3191D SCSI driver");