[net-next-2.6.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->io.NumPorts1 = 0x10;
	link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
	link->io.IOAddrLines = 10;
	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)
{
	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.BasePort1 = cfg->io.win[0].base;
	return pcmcia_request_io(p_dev, &p_dev->io);
}


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;
	86	link->io.NumPorts1 = 0x10;
	87	link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
	88	link->io.IOAddrLines = 10;
15b99ac1 DB	89	link->conf.Attributes = CONF_ENABLE_IRQ;
	90	link->conf.IntType = INT_MEMORY_AND_IO;
	91	link->conf.Present = PRESENT_OPTION;
	92
15b99ac1	93	return fdomain_config(link);
1da177e4 LT	94	} /* fdomain_attach */
	95
	96	/====================================================================/
	97
fba395ee	98	static void fdomain_detach(struct pcmcia_device *link)
1da177e4	99	{
3e716617	100	dev_dbg(&link->dev, "fdomain_detach\n");
b4635811	101
e2d40963	102	fdomain_release(link);
b4635811 DB	103
b4635811 DB	104	kfree(link->priv);
1da177e4 LT	105	} /* fdomain_detach */
	106
	107	/====================================================================/
	108
0e6f9d27	109	static int fdomain_config_check(struct pcmcia_device *p_dev,
8e2fc39d DB	110	cistpl_cftable_entry_t *cfg,
8e2fc39d DB	111	cistpl_cftable_entry_t *dflt,
ad913c11	112	unsigned int vcc,
8e2fc39d	113	void *priv_data)
0e6f9d27	114	{
0e6f9d27 DB	115	p_dev->io.BasePort1 = cfg->io.win[0].base;
	116	return pcmcia_request_io(p_dev, &p_dev->io);
	117	}
	118
	119
15b99ac1	120	static int fdomain_config(struct pcmcia_device *link)
1da177e4	121	{
1da177e4	122	scsi_info_t *info = link->priv;
3e716617	123	int ret;
ecb8a847	124	char str[22];
1da177e4 LT	125	struct Scsi_Host *host;
1da177e4 LT	126
3e716617	127	dev_dbg(&link->dev, "fdomain_config\n");
1da177e4	128
3e716617 DB	129	ret = pcmcia_loop_config(link, fdomain_config_check, NULL);
3e716617 DB	130	if (ret)
0e6f9d27	131	goto failed;
1da177e4	132
eb14120f	133	if (!link->irq)
3e716617 DB	134	goto failed;
	135	ret = pcmcia_request_configuration(link, &link->conf);
	136	if (ret)
	137	goto failed;
15b99ac1	138
1da177e4	139	/* A bad hack... */
9a017a91	140	release_region(link->resource[0]->start, resource_size(link->resource[0]));
1da177e4 LT	141
1da177e4 LT	142	/* Set configuration options for the fdomain driver */
9a017a91	143	sprintf(str, "%d,%d", (unsigned int) link->resource[0]->start, link->irq);
1da177e4	144	fdomain_setup(str);
15b99ac1	145
1da177e4 LT	146	host = __fdomain_16x0_detect(&fdomain_driver_template);
	147	if (!host) {
	148	printk(KERN_INFO "fdomain_cs: no SCSI devices found\n");
3e716617	149	goto failed;
1da177e4	150	}
15b99ac1 DB	151
15b99ac1 DB	152	if (scsi_add_host(host, NULL))
3e716617	153	goto failed;
1da177e4 LT	154	scsi_scan_host(host);
1da177e4 LT	155
1da177e4	156	info->host = host;
15b99ac1	157
15b99ac1 DB	158	return 0;
15b99ac1 DB	159
0e6f9d27	160	failed:
1da177e4	161	fdomain_release(link);
15b99ac1	162	return -ENODEV;
1da177e4 LT	163	} /* fdomain_config */
	164
	165	/====================================================================/
	166
fba395ee	167	static void fdomain_release(struct pcmcia_device *link)
1da177e4	168	{
5f2a71fc	169	scsi_info_t *info = link->priv;
1da177e4	170
3e716617	171	dev_dbg(&link->dev, "fdomain_release\n");
1da177e4	172
5f2a71fc	173	scsi_remove_host(info->host);
fba395ee	174	pcmcia_disable_device(link);
5f2a71fc	175	scsi_unregister(info->host);
1da177e4 LT	176	}
	177
	178	/====================================================================/
	179
fba395ee	180	static int fdomain_resume(struct pcmcia_device *link)
98e4c28b	181	{
e2d40963	182	fdomain_16x0_bus_reset(NULL);
98e4c28b DB	183
	184	return 0;
	185	}
	186
2d1fb376 DB	187	static struct pcmcia_device_id fdomain_ids[] = {
	188	PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, 0x859cad20),
	189	PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e),
	190	PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", "SCSI PCMCIA Credit Card Controller", 0x182bdafe, 0xc80d106f),
	191	PCMCIA_DEVICE_NULL,
	192	};
	193	MODULE_DEVICE_TABLE(pcmcia, fdomain_ids);
	194
1da177e4 LT	195	static struct pcmcia_driver fdomain_cs_driver = {
	196	.owner = THIS_MODULE,
	197	.drv = {
	198	.name = "fdomain_cs",
	199	},
15b99ac1	200	.probe = fdomain_probe,
cc3b4866	201	.remove = fdomain_detach,
2d1fb376	202	.id_table = fdomain_ids,
98e4c28b	203	.resume = fdomain_resume,
1da177e4 LT	204	};
	205
	206	static int __init init_fdomain_cs(void)
	207	{
	208	return pcmcia_register_driver(&fdomain_cs_driver);
	209	}
	210
	211	static void __exit exit_fdomain_cs(void)
	212	{
	213	pcmcia_unregister_driver(&fdomain_cs_driver);
1da177e4 LT	214	}
	215
	216	module_init(init_fdomain_cs);
	217	module_exit(exit_fdomain_cs);