[deliverable/linux.git] / drivers / scsi / pcmcia / fdomain_stub.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/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");

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

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->resource[0]->end = 0x10;
	link->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO;
	link->conf.Attributes = CONF_ENABLE_IRQ;
	link->conf.Present = 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,
				cistpl_cftable_entry_t *cfg,
				cistpl_cftable_entry_t *dflt,
				unsigned int vcc,
				void *priv_data)
{
	p_dev->io_lines = 10;
	p_dev->resource[0]->start = cfg->io.win[0].base;
	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_request_configuration(link, &link->conf);
    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,
	.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);
Commit	Line	Data
1da177e4 LT	1	/*======================================================================
	2
	3	A driver for Future Domain-compatible PCMCIA SCSI cards
	4
	5	fdomain_cs.c 1.47 2001/10/13 00:08:52
	6
	7	The contents of this file are subject to the Mozilla Public
	8	License Version 1.1 (the "License"); you may not use this file
	9	except in compliance with the License. You may obtain a copy of
	10	the License at http://www.mozilla.org/MPL/
	11
	12	Software distributed under the License is distributed on an "AS
	13	IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
	14	implied. See the License for the specific language governing
	15	rights and limitations under the License.
	16
	17	The initial developer of the original code is David A. Hinds
	18	<dahinds@users.sourceforge.net>. Portions created by David A. Hinds
	19	are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
	20
	21	Alternatively, the contents of this file may be used under the
	22	terms of the GNU General Public License version 2 (the "GPL"), in
	23	which case the provisions of the GPL are applicable instead of the
	24	above. If you wish to allow the use of your version of this file
	25	only under the terms of the GPL and not to allow others to use
	26	your version of this file under the MPL, indicate your decision
	27	by deleting the provisions above and replace them with the notice
	28	and other provisions required by the GPL. If you do not delete
	29	the provisions above, a recipient may use your version of this
	30	file under either the MPL or the GPL.
	31
	32	======================================================================*/
	33
	34	#include <linux/module.h>
	35	#include <linux/init.h>
	36	#include <linux/kernel.h>
1da177e4 LT	37	#include <linux/slab.h>
	38	#include <linux/string.h>
	39	#include <linux/ioport.h>
	40	#include <scsi/scsi.h>
	41	#include <linux/major.h>
	42	#include <linux/blkdev.h>
	43	#include <scsi/scsi_ioctl.h>
	44
	45	#include "scsi.h"
	46	#include <scsi/scsi_host.h>
	47	#include "fdomain.h"
	48
1da177e4 LT	49	#include <pcmcia/cs.h>
	50	#include <pcmcia/cistpl.h>
	51	#include <pcmcia/ds.h>
	52
	53	/====================================================================/
	54
	55	/* Module parameters */
	56
	57	MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
	58	MODULE_DESCRIPTION("Future Domain PCMCIA SCSI driver");
	59	MODULE_LICENSE("Dual MPL/GPL");
	60
1da177e4 LT	61	/====================================================================/
	62
	63	typedef struct scsi_info_t {
fd238232	64	struct pcmcia_device *p_dev;
1da177e4 LT	65	struct Scsi_Host *host;
	66	} scsi_info_t;
	67
	68
fba395ee	69	static void fdomain_release(struct pcmcia_device *link);
cc3b4866	70	static void fdomain_detach(struct pcmcia_device *p_dev);
15b99ac1	71	static int fdomain_config(struct pcmcia_device *link);
1da177e4	72
15b99ac1	73	static int fdomain_probe(struct pcmcia_device *link)
1da177e4	74	{
15b99ac1 DB	75	scsi_info_t *info;
15b99ac1 DB	76
3e716617	77	dev_dbg(&link->dev, "fdomain_attach()\n");
15b99ac1 DB	78
	79	/* Create new SCSI device */
	80	info = kzalloc(sizeof(*info), GFP_KERNEL);
	81	if (!info)
	82	return -ENOMEM;
	83
	84	info->p_dev = link;
	85	link->priv = info;
90abdc3b DB	86	link->resource[0]->end = 0x10;
90abdc3b DB	87	link->resource[0]->flags \|= IO_DATA_PATH_WIDTH_AUTO;
15b99ac1	88	link->conf.Attributes = CONF_ENABLE_IRQ;
15b99ac1 DB	89	link->conf.Present = PRESENT_OPTION;
15b99ac1 DB	90
15b99ac1	91	return fdomain_config(link);
1da177e4 LT	92	} /* fdomain_attach */
	93
	94	/====================================================================/
	95
fba395ee	96	static void fdomain_detach(struct pcmcia_device *link)
1da177e4	97	{
3e716617	98	dev_dbg(&link->dev, "fdomain_detach\n");
b4635811	99
e2d40963	100	fdomain_release(link);
b4635811 DB	101
b4635811 DB	102	kfree(link->priv);
1da177e4 LT	103	} /* fdomain_detach */
	104
	105	/====================================================================/
	106
0e6f9d27	107	static int fdomain_config_check(struct pcmcia_device *p_dev,
8e2fc39d DB	108	cistpl_cftable_entry_t *cfg,
8e2fc39d DB	109	cistpl_cftable_entry_t *dflt,
ad913c11	110	unsigned int vcc,
8e2fc39d	111	void *priv_data)
0e6f9d27	112	{
90abdc3b DB	113	p_dev->io_lines = 10;
	114	p_dev->resource[0]->start = cfg->io.win[0].base;
	115	return pcmcia_request_io(p_dev);
0e6f9d27 DB	116	}
	117
	118
15b99ac1	119	static int fdomain_config(struct pcmcia_device *link)
1da177e4	120	{
1da177e4	121	scsi_info_t *info = link->priv;
3e716617	122	int ret;
ecb8a847	123	char str[22];
1da177e4 LT	124	struct Scsi_Host *host;
1da177e4 LT	125
3e716617	126	dev_dbg(&link->dev, "fdomain_config\n");
1da177e4	127
3e716617 DB	128	ret = pcmcia_loop_config(link, fdomain_config_check, NULL);
3e716617 DB	129	if (ret)
0e6f9d27	130	goto failed;
1da177e4	131
eb14120f	132	if (!link->irq)
3e716617 DB	133	goto failed;
	134	ret = pcmcia_request_configuration(link, &link->conf);
	135	if (ret)
	136	goto failed;
15b99ac1	137
1da177e4	138	/* A bad hack... */
9a017a91	139	release_region(link->resource[0]->start, resource_size(link->resource[0]));
1da177e4 LT	140
1da177e4 LT	141	/* Set configuration options for the fdomain driver */
9a017a91	142	sprintf(str, "%d,%d", (unsigned int) link->resource[0]->start, link->irq);
1da177e4	143	fdomain_setup(str);
15b99ac1	144
1da177e4 LT	145	host = __fdomain_16x0_detect(&fdomain_driver_template);
	146	if (!host) {
	147	printk(KERN_INFO "fdomain_cs: no SCSI devices found\n");
3e716617	148	goto failed;
1da177e4	149	}
15b99ac1 DB	150
15b99ac1 DB	151	if (scsi_add_host(host, NULL))
3e716617	152	goto failed;
1da177e4 LT	153	scsi_scan_host(host);
1da177e4 LT	154
1da177e4	155	info->host = host;
15b99ac1	156
15b99ac1 DB	157	return 0;
15b99ac1 DB	158
0e6f9d27	159	failed:
1da177e4	160	fdomain_release(link);
15b99ac1	161	return -ENODEV;
1da177e4 LT	162	} /* fdomain_config */
	163
	164	/====================================================================/
	165
fba395ee	166	static void fdomain_release(struct pcmcia_device *link)
1da177e4	167	{
5f2a71fc	168	scsi_info_t *info = link->priv;
1da177e4	169
3e716617	170	dev_dbg(&link->dev, "fdomain_release\n");
1da177e4	171
5f2a71fc	172	scsi_remove_host(info->host);
fba395ee	173	pcmcia_disable_device(link);
5f2a71fc	174	scsi_unregister(info->host);
1da177e4 LT	175	}
	176
	177	/====================================================================/
	178
fba395ee	179	static int fdomain_resume(struct pcmcia_device *link)
98e4c28b	180	{
e2d40963	181	fdomain_16x0_bus_reset(NULL);
98e4c28b DB	182
	183	return 0;
	184	}
	185
2d1fb376 DB	186	static struct pcmcia_device_id fdomain_ids[] = {
	187	PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, 0x859cad20),
	188	PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e),
	189	PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", "SCSI PCMCIA Credit Card Controller", 0x182bdafe, 0xc80d106f),
	190	PCMCIA_DEVICE_NULL,
	191	};
	192	MODULE_DEVICE_TABLE(pcmcia, fdomain_ids);
	193
1da177e4 LT	194	static struct pcmcia_driver fdomain_cs_driver = {
	195	.owner = THIS_MODULE,
	196	.drv = {
	197	.name = "fdomain_cs",
	198	},
15b99ac1	199	.probe = fdomain_probe,
cc3b4866	200	.remove = fdomain_detach,
2d1fb376	201	.id_table = fdomain_ids,
98e4c28b	202	.resume = fdomain_resume,
1da177e4 LT	203	};
	204
	205	static int __init init_fdomain_cs(void)
	206	{
	207	return pcmcia_register_driver(&fdomain_cs_driver);
	208	}
	209
	210	static void __exit exit_fdomain_cs(void)
	211	{
	212	pcmcia_unregister_driver(&fdomain_cs_driver);
1da177e4 LT	213	}
	214
	215	module_init(init_fdomain_cs);
	216	module_exit(exit_fdomain_cs);