1 files changed, 173 insertions, 0 deletions

diff --git a/drivers/scsi/dmx3191d.c b/drivers/scsi/dmx3191d.c
new file mode 100644
index 000000000000..1d2242403db8
--- /dev/null
+++ b/drivers/scsi/dmx3191d.c
@@ -0,0 +1,173 @@
+/*
+    dmx3191d.c - driver for the Domex DMX3191D SCSI card.
+    Copyright (C) 2000 by Massimo Piccioni <dafastidio@libero.it>
+    Portions Copyright (C) 2004 by Christoph Hellwig <hch@lst.de>
+
+    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>
+#include <linux/ioport.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <asm/io.h>
+
+#include <scsi/scsi_host.h>
+
+/*
+ * Defintions 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_implementation_fields   unsigned int port
+#define NCR5380_local_declare()         NCR5380_implementation_fields
+#define NCR5380_setup(instance)         port = instance->io_port
+
+/*
+ * Includes needed for NCR5380.[ch] (XXX: Move them to NCR5380.h)
+ */
+#include <linux/delay.h>
+#include "scsi.h"
+
+#include "NCR5380.h"
+#include "NCR5380.c"
+
+#define DMX3191D_DRIVER_NAME    "dmx3191d"
+#define DMX3191D_REGION_LEN     8
+
+
+static struct scsi_host_template dmx3191d_driver_template = {
+        .proc_name              = DMX3191D_DRIVER_NAME,
+        .name                   = "Domex DMX3191D",
+        .queuecommand           = NCR5380_queue_command,
+        .eh_abort_handler       = NCR5380_abort,
+        .eh_bus_reset_handler   = NCR5380_bus_reset,
+        .eh_device_reset_handler= NCR5380_device_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,
+};
+
+static int __devinit dmx3191d_probe_one(struct pci_dev *pdev,
+                const struct pci_device_id *id)
+{
+        struct Scsi_Host *shost;
+        unsigned long io;
+        int error = -ENODEV;
+
+        if (pci_enable_device(pdev))
+                goto out;
+
+        io = pci_resource_start(pdev, 0);
+        if (!request_region(io, DMX3191D_REGION_LEN, DMX3191D_DRIVER_NAME)) {
+                printk(KERN_ERR "dmx3191: region 0x%lx-0x%lx already reserved\n",
+                                io, io + DMX3191D_REGION_LEN);
+                goto out_disable_device;
+        }
+
+        shost = scsi_host_alloc(&dmx3191d_driver_template,
+                        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, SA_SHIRQ,
+                                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;
+        }
+
+        pci_set_drvdata(pdev, shost);
+
+        error = scsi_add_host(shost, &pdev->dev);
+        if (error)
+                goto out_free_irq;
+
+        scsi_scan_host(shost);
+        return 0;
+
+ out_free_irq:
+        free_irq(shost->irq, shost);
+ out_release_region:
+        release_region(shost->io_port, DMX3191D_REGION_LEN);
+ out_disable_device:
+        pci_disable_device(pdev);
+ out:
+        return error;
+}
+
+static void __devexit dmx3191d_remove_one(struct pci_dev *pdev)
+{
+        struct Scsi_Host *shost = pci_get_drvdata(pdev);
+
+        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);
+}
+
+static 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},
+        { }
+};
+MODULE_DEVICE_TABLE(pci, dmx3191d_pci_tbl);
+
+static struct pci_driver dmx3191d_pci_driver = {
+        .name           = DMX3191D_DRIVER_NAME,
+        .id_table       = dmx3191d_pci_tbl,
+        .probe          = dmx3191d_probe_one,
+        .remove         = __devexit_p(dmx3191d_remove_one),
+};
+
+static int __init dmx3191d_init(void)
+{
+        return pci_module_init(&dmx3191d_pci_driver);
+}
+
+static void __exit dmx3191d_exit(void)
+{
+        pci_unregister_driver(&dmx3191d_pci_driver);
+}
+
+module_init(dmx3191d_init);
+module_exit(dmx3191d_exit);
+
+MODULE_AUTHOR("Massimo Piccioni <dafastidio@libero.it>");
+MODULE_DESCRIPTION("Domex DMX3191D SCSI driver");
+MODULE_LICENSE("GPL");