156 строки
4.3 KiB
C
156 строки
4.3 KiB
C
/*
|
|
* 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);
|
|
}
|