--- /dev/null
+/*======================================================================
+
+ 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 const 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);
Code Review / kvmfornfv.git / blobdiff