[deliverable/linux.git] / drivers / scsi / pcmcia / aha152x_stub.c

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

    A driver for Adaptec AHA152X-compatible PCMCIA SCSI cards.

    This driver supports the Adaptec AHA-1460, the New Media Bus
    Toaster, and the New Media Toast & Jam.
    
    aha152x_cs.c 1.54 2000/06/12 21:27:25

    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/sched.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 "aha152x.h"

#include <pcmcia/cs_types.h>
#include <pcmcia/cs.h>
#include <pcmcia/cistpl.h>
#include <pcmcia/ds.h>

#ifdef PCMCIA_DEBUG
static int pc_debug = PCMCIA_DEBUG;
module_param(pc_debug, int, 0644);
#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
static char *version =
"aha152x_cs.c 1.54 2000/06/12 21:27:25 (David Hinds)";
#else
#define DEBUG(n, args...)
#endif

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

/* Parameters that can be set with 'insmod' */

/* SCSI bus setup options */
static int host_id = 7;
static int reconnect = 1;
static int parity = 1;
static int synchronous = 1;
static int reset_delay = 100;
static int ext_trans = 0;

module_param(host_id, int, 0);
module_param(reconnect, int, 0);
module_param(parity, int, 0);
module_param(synchronous, int, 0);
module_param(reset_delay, int, 0);
module_param(ext_trans, int, 0);

MODULE_LICENSE("Dual MPL/GPL");

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

typedef struct scsi_info_t {
    dev_link_t		link;
    dev_node_t		node;
    struct Scsi_Host	*host;
} scsi_info_t;

static void aha152x_release_cs(dev_link_t *link);
static void aha152x_detach(struct pcmcia_device *p_dev);
static void aha152x_config_cs(dev_link_t *link);

static dev_link_t *dev_list;

static int aha152x_attach(struct pcmcia_device *p_dev)
{
    scsi_info_t *info;
    dev_link_t *link;
    
    DEBUG(0, "aha152x_attach()\n");

    /* Create new SCSI device */
    info = kmalloc(sizeof(*info), GFP_KERNEL);
    if (!info) return -ENOMEM;
    memset(info, 0, sizeof(*info));
    link = &info->link; link->priv = info;

    link->io.NumPorts1 = 0x20;
    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.Vcc = 50;
    link->conf.IntType = INT_MEMORY_AND_IO;
    link->conf.Present = PRESENT_OPTION;

    link->handle = p_dev;
    p_dev->instance = link;

    link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
    aha152x_config_cs(link);

    return 0;
} /* aha152x_attach */

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

static void aha152x_detach(struct pcmcia_device *p_dev)
{
    dev_link_t *link = dev_to_instance(p_dev);
    dev_link_t **linkp;

    DEBUG(0, "aha152x_detach(0x%p)\n", link);
    
    /* Locate device structure */
    for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next)
	if (*linkp == link) break;
    if (*linkp == NULL)
	return;

    if (link->state & DEV_CONFIG)
	aha152x_release_cs(link);

    /* Unlink device structure, free bits */
    *linkp = link->next;
    kfree(link->priv);
    
} /* aha152x_detach */

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

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

static void aha152x_config_cs(dev_link_t *link)
{
    client_handle_t handle = link->handle;
    scsi_info_t *info = link->priv;
    struct aha152x_setup s;
    tuple_t tuple;
    cisparse_t parse;
    int i, last_ret, last_fn;
    u_char tuple_data[64];
    struct Scsi_Host *host;
    
    DEBUG(0, "aha152x_config(0x%p)\n", link);

    tuple.DesiredTuple = CISTPL_CONFIG;
    tuple.TupleData = tuple_data;
    tuple.TupleDataMax = 64;
    tuple.TupleOffset = 0;
    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
    CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
    CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
    link->conf.ConfigBase = parse.config.base;

    /* Configure card */
    link->state |= DEV_CONFIG;

    tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
    while (1) {
	if (pcmcia_get_tuple_data(handle, &tuple) != 0 ||
		pcmcia_parse_tuple(handle, &tuple, &parse) != 0)
	    goto next_entry;
	/* For New Media T&J, look for a SCSI window */
	if (parse.cftable_entry.io.win[0].len >= 0x20)
	    link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
	else if ((parse.cftable_entry.io.nwin > 1) &&
		 (parse.cftable_entry.io.win[1].len >= 0x20))
	    link->io.BasePort1 = parse.cftable_entry.io.win[1].base;
	if ((parse.cftable_entry.io.nwin > 0) &&
	    (link->io.BasePort1 < 0xffff)) {
	    link->conf.ConfigIndex = parse.cftable_entry.index;
	    i = pcmcia_request_io(handle, &link->io);
	    if (i == CS_SUCCESS) break;
	}
    next_entry:
	CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
    }
    
    CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
    CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
    
    /* Set configuration options for the aha152x driver */
    memset(&s, 0, sizeof(s));
    s.conf        = "PCMCIA setup";
    s.io_port     = link->io.BasePort1;
    s.irq         = link->irq.AssignedIRQ;
    s.scsiid      = host_id;
    s.reconnect   = reconnect;
    s.parity      = parity;
    s.synchronous = synchronous;
    s.delay       = reset_delay;
    if (ext_trans)
        s.ext_trans = ext_trans;

    host = aha152x_probe_one(&s);
    if (host == NULL) {
	printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
	goto cs_failed;
    }

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

    link->state &= ~DEV_CONFIG_PENDING;
    return;
    
cs_failed:
    cs_error(link->handle, last_fn, last_ret);
    aha152x_release_cs(link);
    return;
}

static void aha152x_release_cs(dev_link_t *link)
{
	scsi_info_t *info = link->priv;

	aha152x_release(info->host);
	pcmcia_disable_device(link->handle);
}

static int aha152x_suspend(struct pcmcia_device *dev)
{
	dev_link_t *link = dev_to_instance(dev);

	link->state |= DEV_SUSPEND;
	if (link->state & DEV_CONFIG)
		pcmcia_release_configuration(link->handle);

	return 0;
}

static int aha152x_resume(struct pcmcia_device *dev)
{
	dev_link_t *link = dev_to_instance(dev);
	scsi_info_t *info = link->priv;

	link->state &= ~DEV_SUSPEND;
	if (link->state & DEV_CONFIG) {
		pcmcia_request_configuration(link->handle, &link->conf);
Commit	Line	Data
1da177e4 LT	1	/*======================================================================
	2
	3	A driver for Adaptec AHA152X-compatible PCMCIA SCSI cards.
	4
	5	This driver supports the Adaptec AHA-1460, the New Media Bus
	6	Toaster, and the New Media Toast & Jam.
	7
	8	aha152x_cs.c 1.54 2000/06/12 21:27:25
	9
	10	The contents of this file are subject to the Mozilla Public
	11	License Version 1.1 (the "License"); you may not use this file
	12	except in compliance with the License. You may obtain a copy of
	13	the License at http://www.mozilla.org/MPL/
	14
	15	Software distributed under the License is distributed on an "AS
	16	IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
	17	implied. See the License for the specific language governing
	18	rights and limitations under the License.
	19
	20	The initial developer of the original code is David A. Hinds
	21	<dahinds@users.sourceforge.net>. Portions created by David A. Hinds
	22	are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
	23
	24	Alternatively, the contents of this file may be used under the
	25	terms of the GNU General Public License version 2 (the "GPL"), in which
	26	case the provisions of the GPL are applicable instead of the
	27	above. If you wish to allow the use of your version of this file
	28	only under the terms of the GPL and not to allow others to use
	29	your version of this file under the MPL, indicate your decision
	30	by deleting the provisions above and replace them with the notice
	31	and other provisions required by the GPL. If you do not delete
	32	the provisions above, a recipient may use your version of this
	33	file under either the MPL or the GPL.
	34
	35	======================================================================*/
	36
	37	#include <linux/module.h>
	38	#include <linux/init.h>
	39	#include <linux/kernel.h>
	40	#include <linux/sched.h>
	41	#include <linux/slab.h>
	42	#include <linux/string.h>
	43	#include <linux/ioport.h>
	44	#include <scsi/scsi.h>
	45	#include <linux/major.h>
	46	#include <linux/blkdev.h>
	47	#include <scsi/scsi_ioctl.h>
	48
	49	#include "scsi.h"
	50	#include <scsi/scsi_host.h>
	51	#include "aha152x.h"
	52
1da177e4 LT	53	#include <pcmcia/cs_types.h>
	54	#include <pcmcia/cs.h>
	55	#include <pcmcia/cistpl.h>
	56	#include <pcmcia/ds.h>
	57
	58	#ifdef PCMCIA_DEBUG
	59	static int pc_debug = PCMCIA_DEBUG;
	60	module_param(pc_debug, int, 0644);
	61	#define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
	62	static char *version =
	63	"aha152x_cs.c 1.54 2000/06/12 21:27:25 (David Hinds)";
	64	#else
	65	#define DEBUG(n, args...)
	66	#endif
	67
	68	/====================================================================/
	69
	70	/* Parameters that can be set with 'insmod' */
	71
	72	/* SCSI bus setup options */
	73	static int host_id = 7;
	74	static int reconnect = 1;
	75	static int parity = 1;
	76	static int synchronous = 1;
	77	static int reset_delay = 100;
	78	static int ext_trans = 0;
	79
	80	module_param(host_id, int, 0);
	81	module_param(reconnect, int, 0);
	82	module_param(parity, int, 0);
	83	module_param(synchronous, int, 0);
	84	module_param(reset_delay, int, 0);
	85	module_param(ext_trans, int, 0);
	86
	87	MODULE_LICENSE("Dual MPL/GPL");
	88
	89	/====================================================================/
	90
	91	typedef struct scsi_info_t {
	92	dev_link_t link;
	93	dev_node_t node;
	94	struct Scsi_Host *host;
	95	} scsi_info_t;
	96
	97	static void aha152x_release_cs(dev_link_t *link);
cc3b4866	98	static void aha152x_detach(struct pcmcia_device *p_dev);
f8cfa618	99	static void aha152x_config_cs(dev_link_t *link);
1da177e4 LT	100
1da177e4 LT	101	static dev_link_t *dev_list;
1da177e4	102
f8cfa618	103	static int aha152x_attach(struct pcmcia_device *p_dev)
1da177e4 LT	104	{
1da177e4 LT	105	scsi_info_t *info;
1da177e4	106	dev_link_t *link;
1da177e4 LT	107
	108	DEBUG(0, "aha152x_attach()\n");
	109
	110	/* Create new SCSI device */
	111	info = kmalloc(sizeof(*info), GFP_KERNEL);
f8cfa618	112	if (!info) return -ENOMEM;
1da177e4 LT	113	memset(info, 0, sizeof(*info));
	114	link = &info->link; link->priv = info;
	115
	116	link->io.NumPorts1 = 0x20;
	117	link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
	118	link->io.IOAddrLines = 10;
	119	link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
	120	link->irq.IRQInfo1 = IRQ_LEVEL_ID;
	121	link->conf.Attributes = CONF_ENABLE_IRQ;
	122	link->conf.Vcc = 50;
	123	link->conf.IntType = INT_MEMORY_AND_IO;
	124	link->conf.Present = PRESENT_OPTION;
	125
f8cfa618 DB	126	link->handle = p_dev;
	127	p_dev->instance = link;
	128
	129	link->state \|= DEV_PRESENT \| DEV_CONFIG_PENDING;
	130	aha152x_config_cs(link);
	131
	132	return 0;
1da177e4 LT	133	} /* aha152x_attach */
	134
	135	/====================================================================/
	136
cc3b4866	137	static void aha152x_detach(struct pcmcia_device *p_dev)
1da177e4	138	{
cc3b4866	139	dev_link_t *link = dev_to_instance(p_dev);
1da177e4 LT	140	dev_link_t **linkp;
	141
	142	DEBUG(0, "aha152x_detach(0x%p)\n", link);
	143
	144	/* Locate device structure */
	145	for (linkp = &dev_list; linkp; linkp = &(linkp)->next)
	146	if (*linkp == link) break;
	147	if (*linkp == NULL)
	148	return;
	149
	150	if (link->state & DEV_CONFIG)
	151	aha152x_release_cs(link);
	152
1da177e4 LT	153	/* Unlink device structure, free bits */
	154	*linkp = link->next;
	155	kfree(link->priv);
	156
	157	} /* aha152x_detach */
	158
	159	/====================================================================/
	160
	161	#define CS_CHECK(fn, ret) \
	162	do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
	163
	164	static void aha152x_config_cs(dev_link_t *link)
	165	{
	166	client_handle_t handle = link->handle;
	167	scsi_info_t *info = link->priv;
	168	struct aha152x_setup s;
	169	tuple_t tuple;
	170	cisparse_t parse;
	171	int i, last_ret, last_fn;
	172	u_char tuple_data[64];
	173	struct Scsi_Host *host;
	174
	175	DEBUG(0, "aha152x_config(0x%p)\n", link);
	176
	177	tuple.DesiredTuple = CISTPL_CONFIG;
	178	tuple.TupleData = tuple_data;
	179	tuple.TupleDataMax = 64;
	180	tuple.TupleOffset = 0;
	181	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
	182	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
	183	CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));
	184	link->conf.ConfigBase = parse.config.base;
	185
	186	/* Configure card */
	187	link->state \|= DEV_CONFIG;
	188
	189	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
	190	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
	191	while (1) {
	192	if (pcmcia_get_tuple_data(handle, &tuple) != 0 \|\|
	193	pcmcia_parse_tuple(handle, &tuple, &parse) != 0)
	194	goto next_entry;
	195	/* For New Media T&J, look for a SCSI window */
	196	if (parse.cftable_entry.io.win[0].len >= 0x20)
	197	link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
	198	else if ((parse.cftable_entry.io.nwin > 1) &&
	199	(parse.cftable_entry.io.win[1].len >= 0x20))
	200	link->io.BasePort1 = parse.cftable_entry.io.win[1].base;
	201	if ((parse.cftable_entry.io.nwin > 0) &&
	202	(link->io.BasePort1 < 0xffff)) {
	203	link->conf.ConfigIndex = parse.cftable_entry.index;
	204	i = pcmcia_request_io(handle, &link->io);
	205	if (i == CS_SUCCESS) break;
	206	}
	207	next_entry:
	208	CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
	209	}
	210
	211	CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
	212	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
	213
	214	/* Set configuration options for the aha152x driver */
	215	memset(&s, 0, sizeof(s));
	216	s.conf = "PCMCIA setup";
217	s.io_port = link->io.BasePort1;
218	s.irq = link->irq.AssignedIRQ;
219	s.scsiid = host_id;
220	s.reconnect = reconnect;
221	s.parity = parity;
222	s.synchronous = synchronous;
223	s.delay = reset_delay;
224	if (ext_trans)
225	s.ext_trans = ext_trans;
226
227	host = aha152x_probe_one(&s);
228	if (host == NULL) {
229	printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
230	goto cs_failed;
231	}
232
233	sprintf(info->node.dev_name, "scsi%d", host->host_no);
234	link->dev = &info->node;
235	info->host = host;
236
237	link->state &= ~DEV_CONFIG_PENDING;
238	return;
239
240	cs_failed:
241	cs_error(link->handle, last_fn, last_ret);
242	aha152x_release_cs(link);
243	return;
244	}
245
246	static void aha152x_release_cs(dev_link_t *link)
247	{
248	scsi_info_t *info = link->priv;
249
250	aha152x_release(info->host);
5f2a71fc	251	pcmcia_disable_device(link->handle);
1da177e4 LT	252	}
1da177e4 LT	253
98e4c28b DB	254	static int aha152x_suspend(struct pcmcia_device *dev)
	255	{
	256	dev_link_t *link = dev_to_instance(dev);
	257
	258	link->state \|= DEV_SUSPEND;
	259	if (link->state & DEV_CONFIG)
	260	pcmcia_release_configuration(link->handle);
	261
	262	return 0;
	263	}
	264
	265	static int aha152x_resume(struct pcmcia_device *dev)
	266	{
	267	dev_link_t *link = dev_to_instance(dev);
	268	scsi_info_t *info = link->priv;
	269
	270	link->state &= ~DEV_SUSPEND;
	271	if (link->state & DEV_CONFIG) {
98e4c28b	272	pcmcia_request_configuration(link->handle, &link->conf);