Initial import

1 files changed, 155 insertions, 0 deletions

diff --git a/drivers/scsi/aic7xxx/aic7770_osm.c b/drivers/scsi/aic7xxx/aic7770_osm.c
new file mode 100644
index 000000000..3d401d02c
--- /dev/null
+++ b/drivers/scsi/aic7xxx/aic7770_osm.c
@@ -0,0 +1,155 @@
+/*
+ * Linux driver attachment glue for aic7770 based controllers.
+ *
+ * Copyright (c) 2000-2003 Adaptec Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ *
+ * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic7770_osm.c#14 $
+ */
+
+#include "aic7xxx_osm.h"
+
+#include <linux/device.h>
+#include <linux/eisa.h>
+
+int
+aic7770_map_registers(struct ahc_softc *ahc, u_int port)
+{
+	/*
+	 * Lock out other contenders for our i/o space.
+	 */
+	if (!request_region(port, AHC_EISA_IOSIZE, "aic7xxx"))
+		return (ENOMEM);
+	ahc->tag = BUS_SPACE_PIO;
+	ahc->bsh.ioport = port;
+	return (0);
+}
+
+int
+aic7770_map_int(struct ahc_softc *ahc, u_int irq)
+{
+	int error;
+	int shared;
+
+	shared = 0;
+	if ((ahc->flags & AHC_EDGE_INTERRUPT) == 0)
+		shared = IRQF_SHARED;
+
+	error = request_irq(irq, ahc_linux_isr, shared, "aic7xxx", ahc);
+	if (error == 0)
+		ahc->platform_data->irq = irq;
+	
+	return (-error);
+}
+
+static int
+aic7770_probe(struct device *dev)
+{
+	struct eisa_device *edev = to_eisa_device(dev);
+	u_int eisaBase = edev->base_addr+AHC_EISA_SLOT_OFFSET;
+	struct	ahc_softc *ahc;
+	char	buf[80];
+	char   *name;
+	int	error;
+
+	sprintf(buf, "ahc_eisa:%d", eisaBase >> 12);
+	name = kstrdup(buf, GFP_ATOMIC);
+	if (name == NULL)
+		return (ENOMEM);
+	ahc = ahc_alloc(&aic7xxx_driver_template, name);
+	if (ahc == NULL)
+		return (ENOMEM);
+	error = aic7770_config(ahc, aic7770_ident_table + edev->id.driver_data,
+			       eisaBase);
+	if (error != 0) {
+		ahc->bsh.ioport = 0;
+		ahc_free(ahc);
+		return (error);
+	}
+
+ 	dev_set_drvdata(dev, ahc);
+
+	error = ahc_linux_register_host(ahc, &aic7xxx_driver_template);
+	return (error);
+}
+
+static int
+aic7770_remove(struct device *dev)
+{
+	struct ahc_softc *ahc = dev_get_drvdata(dev);
+	u_long s;
+
+	if (ahc->platform_data && ahc->platform_data->host)
+			scsi_remove_host(ahc->platform_data->host);
+
+	ahc_lock(ahc, &s);
+	ahc_intr_enable(ahc, FALSE);
+	ahc_unlock(ahc, &s);
+
+	ahc_free(ahc);
+	return 0;
+}
+ 
+static struct eisa_device_id aic7770_ids[] = {
+	{ "ADP7771", 0 }, /* AHA 274x */
+	{ "ADP7756", 1 }, /* AHA 284x BIOS enabled */
+	{ "ADP7757", 2 }, /* AHA 284x BIOS disabled */
+	{ "ADP7782", 3 }, /* AHA 274x Olivetti OEM */
+	{ "ADP7783", 4 }, /* AHA 274x Olivetti OEM (Differential) */
+	{ "ADP7770", 5 }, /* AIC7770 generic */
+	{ "" }
+};
+MODULE_DEVICE_TABLE(eisa, aic7770_ids);
+
+static struct eisa_driver aic7770_driver = {
+	.id_table	= aic7770_ids,
+	.driver = {
+		.name   = "aic7xxx",
+		.probe  = aic7770_probe,
+		.remove = aic7770_remove,
+	}
+};
+  
+int
+ahc_linux_eisa_init(void)
+{
+	return eisa_driver_register(&aic7770_driver);
+}
+  
+void
+ahc_linux_eisa_exit(void)
+{
+	eisa_driver_unregister(&aic7770_driver);
+}