![Dominik Brodowski](/assets/img/avatar_default.png)
Tested-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
210 lines
5.8 KiB
C
210 lines
5.8 KiB
C
/*======================================================================
|
|
|
|
A driver for Future Domain-compatible PCMCIA SCSI cards
|
|
|
|
fdomain_cs.c 1.47 2001/10/13 00:08:52
|
|
|
|
The contents of this file are subject to the Mozilla Public
|
|
License Version 1.1 (the "License"); you may not use this file
|
|
except in compliance with the License. You may obtain a copy of
|
|
the License at http://www.mozilla.org/MPL/
|
|
|
|
Software distributed under the License is distributed on an "AS
|
|
IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
implied. See the License for the specific language governing
|
|
rights and limitations under the License.
|
|
|
|
The initial developer of the original code is David A. Hinds
|
|
<dahinds@users.sourceforge.net>. Portions created by David A. Hinds
|
|
are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
|
|
|
|
Alternatively, the contents of this file may be used under the
|
|
terms of the GNU General Public License version 2 (the "GPL"), in
|
|
which case the provisions of the GPL are applicable instead of the
|
|
above. If you wish to allow the use of your version of this file
|
|
only under the terms of the GPL and not to allow others to use
|
|
your version of this file under the MPL, indicate your decision
|
|
by deleting the provisions above and replace them with the notice
|
|
and other provisions required by the GPL. If you do not delete
|
|
the provisions above, a recipient may use your version of this
|
|
file under either the MPL or the GPL.
|
|
|
|
======================================================================*/
|
|
|
|
#include <linux/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/string.h>
|
|
#include <linux/ioport.h>
|
|
#include <scsi/scsi.h>
|
|
#include <linux/major.h>
|
|
#include <linux/blkdev.h>
|
|
#include <scsi/scsi_ioctl.h>
|
|
|
|
#include "scsi.h"
|
|
#include <scsi/scsi_host.h>
|
|
#include "fdomain.h"
|
|
|
|
#include <pcmcia/cistpl.h>
|
|
#include <pcmcia/ds.h>
|
|
|
|
/*====================================================================*/
|
|
|
|
/* Module parameters */
|
|
|
|
MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
|
|
MODULE_DESCRIPTION("Future Domain PCMCIA SCSI driver");
|
|
MODULE_LICENSE("Dual MPL/GPL");
|
|
|
|
/*====================================================================*/
|
|
|
|
typedef struct scsi_info_t {
|
|
struct pcmcia_device *p_dev;
|
|
struct Scsi_Host *host;
|
|
} scsi_info_t;
|
|
|
|
|
|
static void fdomain_release(struct pcmcia_device *link);
|
|
static void fdomain_detach(struct pcmcia_device *p_dev);
|
|
static int fdomain_config(struct pcmcia_device *link);
|
|
|
|
static int fdomain_probe(struct pcmcia_device *link)
|
|
{
|
|
scsi_info_t *info;
|
|
|
|
dev_dbg(&link->dev, "fdomain_attach()\n");
|
|
|
|
/* Create new SCSI device */
|
|
info = kzalloc(sizeof(*info), GFP_KERNEL);
|
|
if (!info)
|
|
return -ENOMEM;
|
|
|
|
info->p_dev = link;
|
|
link->priv = info;
|
|
link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO;
|
|
link->config_regs = PRESENT_OPTION;
|
|
|
|
return fdomain_config(link);
|
|
} /* fdomain_attach */
|
|
|
|
/*====================================================================*/
|
|
|
|
static void fdomain_detach(struct pcmcia_device *link)
|
|
{
|
|
dev_dbg(&link->dev, "fdomain_detach\n");
|
|
|
|
fdomain_release(link);
|
|
|
|
kfree(link->priv);
|
|
} /* fdomain_detach */
|
|
|
|
/*====================================================================*/
|
|
|
|
static int fdomain_config_check(struct pcmcia_device *p_dev, void *priv_data)
|
|
{
|
|
p_dev->io_lines = 10;
|
|
p_dev->resource[0]->end = 0x10;
|
|
p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH;
|
|
p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
|
|
return pcmcia_request_io(p_dev);
|
|
}
|
|
|
|
|
|
static int fdomain_config(struct pcmcia_device *link)
|
|
{
|
|
scsi_info_t *info = link->priv;
|
|
int ret;
|
|
char str[22];
|
|
struct Scsi_Host *host;
|
|
|
|
dev_dbg(&link->dev, "fdomain_config\n");
|
|
|
|
ret = pcmcia_loop_config(link, fdomain_config_check, NULL);
|
|
if (ret)
|
|
goto failed;
|
|
|
|
if (!link->irq)
|
|
goto failed;
|
|
ret = pcmcia_enable_device(link);
|
|
if (ret)
|
|
goto failed;
|
|
|
|
/* A bad hack... */
|
|
release_region(link->resource[0]->start, resource_size(link->resource[0]));
|
|
|
|
/* Set configuration options for the fdomain driver */
|
|
sprintf(str, "%d,%d", (unsigned int) link->resource[0]->start, link->irq);
|
|
fdomain_setup(str);
|
|
|
|
host = __fdomain_16x0_detect(&fdomain_driver_template);
|
|
if (!host) {
|
|
printk(KERN_INFO "fdomain_cs: no SCSI devices found\n");
|
|
goto failed;
|
|
}
|
|
|
|
if (scsi_add_host(host, NULL))
|
|
goto failed;
|
|
scsi_scan_host(host);
|
|
|
|
info->host = host;
|
|
|
|
return 0;
|
|
|
|
failed:
|
|
fdomain_release(link);
|
|
return -ENODEV;
|
|
} /* fdomain_config */
|
|
|
|
/*====================================================================*/
|
|
|
|
static void fdomain_release(struct pcmcia_device *link)
|
|
{
|
|
scsi_info_t *info = link->priv;
|
|
|
|
dev_dbg(&link->dev, "fdomain_release\n");
|
|
|
|
scsi_remove_host(info->host);
|
|
pcmcia_disable_device(link);
|
|
scsi_unregister(info->host);
|
|
}
|
|
|
|
/*====================================================================*/
|
|
|
|
static int fdomain_resume(struct pcmcia_device *link)
|
|
{
|
|
fdomain_16x0_bus_reset(NULL);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static struct pcmcia_device_id fdomain_ids[] = {
|
|
PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, 0x859cad20),
|
|
PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e),
|
|
PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", "SCSI PCMCIA Credit Card Controller", 0x182bdafe, 0xc80d106f),
|
|
PCMCIA_DEVICE_NULL,
|
|
};
|
|
MODULE_DEVICE_TABLE(pcmcia, fdomain_ids);
|
|
|
|
static struct pcmcia_driver fdomain_cs_driver = {
|
|
.owner = THIS_MODULE,
|
|
.name = "fdomain_cs",
|
|
.probe = fdomain_probe,
|
|
.remove = fdomain_detach,
|
|
.id_table = fdomain_ids,
|
|
.resume = fdomain_resume,
|
|
};
|
|
|
|
static int __init init_fdomain_cs(void)
|
|
{
|
|
return pcmcia_register_driver(&fdomain_cs_driver);
|
|
}
|
|
|
|
static void __exit exit_fdomain_cs(void)
|
|
{
|
|
pcmcia_unregister_driver(&fdomain_cs_driver);
|
|
}
|
|
|
|
module_init(init_fdomain_cs);
|
|
module_exit(exit_fdomain_cs);
|