diff options
Diffstat (limited to 'kernel/drivers/scsi/pcmcia/fdomain_stub.c')
| -rw-r--r-- | kernel/drivers/scsi/pcmcia/fdomain_stub.c | 209 |
1 files changed, 209 insertions, 0 deletions
diff --git a/kernel/drivers/scsi/pcmcia/fdomain_stub.c b/kernel/drivers/scsi/pcmcia/fdomain_stub.c new file mode 100644 index 000000000..714b248f5 --- /dev/null +++ b/kernel/drivers/scsi/pcmcia/fdomain_stub.c @@ -0,0 +1,209 @@ +/*====================================================================== + + 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); |