drivers/scsi/pcmcia/fdomain_stub.c - fp2-dev/kernel/msm - Gitiles

 /*======================================================================

     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/cs_types.h>
 #include <pcmcia/cs.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");

 #ifdef PCMCIA_DEBUG
 static int pc_debug = PCMCIA_DEBUG;
 module_param(pc_debug, int, 0);
 #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
 static char *version =
 "fdomain_cs.c 1.47 2001/10/13 00:08:52 (David Hinds)";
 #else
 #define DEBUG(n, args...)
 #endif

 /*====================================================================*/

 typedef struct scsi_info_t {
 	struct pcmcia_device	*p_dev;
     dev_node_t		node;
     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;

 	DEBUG(0, "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->io.NumPorts1 = 0x10;
 	link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
 	link->io.IOAddrLines = 10;
 	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
 	link->irq.IRQInfo1 = IRQ_LEVEL_ID;
 	link->conf.Attributes = CONF_ENABLE_IRQ;
 	link->conf.IntType = INT_MEMORY_AND_IO;
 	link->conf.Present = PRESENT_OPTION;

 	return fdomain_config(link);
 } /* fdomain_attach */

 /*====================================================================*/

 static void fdomain_detach(struct pcmcia_device *link)
 {
 	DEBUG(0, "fdomain_detach(0x%p)\n", link);

 	fdomain_release(link);

 	kfree(link->priv);
 } /* fdomain_detach */

 /*====================================================================*/

 #define CS_CHECK(fn, ret) \
 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)

 static int fdomain_config(struct pcmcia_device *link)
 {
     scsi_info_t *info = link->priv;
     tuple_t tuple;
     cisparse_t parse;
     int i, last_ret, last_fn;
     u_char tuple_data[64];
     char str[22];
     struct Scsi_Host *host;

     DEBUG(0, "fdomain_config(0x%p)\n", link);

     tuple.TupleData = tuple_data;
     tuple.TupleDataMax = 64;
     tuple.TupleOffset = 0;

     tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
     CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
     while (1) {
 	if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
 		pcmcia_parse_tuple(link, &tuple, &parse) != 0)
 	    goto next_entry;
 	link->conf.ConfigIndex = parse.cftable_entry.index;
 	link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
 	i = pcmcia_request_io(link, &link->io);
 	if (i == CS_SUCCESS) break;
     next_entry:
 	CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
     }

     CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
     CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));

     /* A bad hack... */
     release_region(link->io.BasePort1, link->io.NumPorts1);

     /* Set configuration options for the fdomain driver */
     sprintf(str, "%d,%d", link->io.BasePort1, link->irq.AssignedIRQ);
     fdomain_setup(str);

     host = __fdomain_16x0_detect(&fdomain_driver_template);
     if (!host) {
         printk(KERN_INFO "fdomain_cs: no SCSI devices found\n");
 	goto cs_failed;
     }

     if (scsi_add_host(host, NULL))
 	    goto cs_failed;
     scsi_scan_host(host);

     sprintf(info->node.dev_name, "scsi%d", host->host_no);
     link->dev_node = &info->node;
     info->host = host;

     return 0;

 cs_failed:
     cs_error(link, last_fn, last_ret);
     fdomain_release(link);
     return -ENODEV;
 } /* fdomain_config */

 /*====================================================================*/

 static void fdomain_release(struct pcmcia_device *link)
 {
 	scsi_info_t *info = link->priv;

 	DEBUG(0, "fdomain_release(0x%p)\n", link);

 	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,
 	.drv		= {
 		.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);
	/*======================================================================

	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/cs_types.h>
	#include <pcmcia/cs.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");

	#ifdef PCMCIA_DEBUG
	static int pc_debug = PCMCIA_DEBUG;
	module_param(pc_debug, int, 0);
	#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
	static char *version =
	"fdomain_cs.c 1.47 2001/10/13 00:08:52 (David Hinds)";
	#else
	#define DEBUG(n, args...)
	#endif

	/====================================================================/

	typedef struct scsi_info_t {
	struct pcmcia_device *p_dev;
	dev_node_t node;
	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;

	DEBUG(0, "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->io.NumPorts1 = 0x10;
	link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
	link->io.IOAddrLines = 10;
	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
	link->irq.IRQInfo1 = IRQ_LEVEL_ID;
	link->conf.Attributes = CONF_ENABLE_IRQ;
	link->conf.IntType = INT_MEMORY_AND_IO;
	link->conf.Present = PRESENT_OPTION;

	return fdomain_config(link);
	} /* fdomain_attach */

	/====================================================================/

	static void fdomain_detach(struct pcmcia_device *link)
	{
	DEBUG(0, "fdomain_detach(0x%p)\n", link);

	fdomain_release(link);

	kfree(link->priv);
	} /* fdomain_detach */

	/====================================================================/

	#define CS_CHECK(fn, ret) \
	do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)

	static int fdomain_config(struct pcmcia_device *link)
	{
	scsi_info_t *info = link->priv;
	tuple_t tuple;
	cisparse_t parse;
	int i, last_ret, last_fn;
	u_char tuple_data[64];
	char str[22];
	struct Scsi_Host *host;

	DEBUG(0, "fdomain_config(0x%p)\n", link);

	tuple.TupleData = tuple_data;
	tuple.TupleDataMax = 64;
	tuple.TupleOffset = 0;

	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
	while (1) {
	if (pcmcia_get_tuple_data(link, &tuple) != 0 \|\|
	pcmcia_parse_tuple(link, &tuple, &parse) != 0)
	goto next_entry;
	link->conf.ConfigIndex = parse.cftable_entry.index;
	link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
	i = pcmcia_request_io(link, &link->io);
	if (i == CS_SUCCESS) break;
	next_entry:
	CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
	}

	CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));

	/* A bad hack... */
	release_region(link->io.BasePort1, link->io.NumPorts1);

	/* Set configuration options for the fdomain driver */
	sprintf(str, "%d,%d", link->io.BasePort1, link->irq.AssignedIRQ);
	fdomain_setup(str);

	host = __fdomain_16x0_detect(&fdomain_driver_template);
	if (!host) {
	printk(KERN_INFO "fdomain_cs: no SCSI devices found\n");
	goto cs_failed;
	}

	if (scsi_add_host(host, NULL))
	goto cs_failed;
	scsi_scan_host(host);

	sprintf(info->node.dev_name, "scsi%d", host->host_no);
	link->dev_node = &info->node;
	info->host = host;

	return 0;

	cs_failed:
	cs_error(link, last_fn, last_ret);
	fdomain_release(link);
	return -ENODEV;
	} /* fdomain_config */

	/====================================================================/

	static void fdomain_release(struct pcmcia_device *link)
	{
	scsi_info_t *info = link->priv;

	DEBUG(0, "fdomain_release(0x%p)\n", link);

	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,
	.drv = {
	.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);