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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /drivers/scsi/aic7xxx/aic7770_osm.c
Initial import
Diffstat (limited to 'drivers/scsi/aic7xxx/aic7770_osm.c')
-rw-r--r--drivers/scsi/aic7xxx/aic7770_osm.c155
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);
+}