1 /*======================================================================
3 A driver for Adaptec AHA152X-compatible PCMCIA SCSI cards.
5 This driver supports the Adaptec AHA-1460, the New Media Bus
6 Toaster, and the New Media Toast & Jam.
8 aha152x_cs.c 1.54 2000/06/12 21:27:25
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/
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.
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.
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.
35 ======================================================================*/
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>
50 #include <scsi/scsi_host.h>
53 #include <pcmcia/version.h>
54 #include <pcmcia/cs_types.h>
55 #include <pcmcia/cs.h>
56 #include <pcmcia/cistpl.h>
57 #include <pcmcia/ds.h>
60 static int pc_debug
= PCMCIA_DEBUG
;
61 module_param(pc_debug
, int, 0644);
62 #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
63 static char *version
=
64 "aha152x_cs.c 1.54 2000/06/12 21:27:25 (David Hinds)";
66 #define DEBUG(n, args...)
69 /*====================================================================*/
71 /* Parameters that can be set with 'insmod' */
73 /* SCSI bus setup options */
74 static int host_id
= 7;
75 static int reconnect
= 1;
76 static int parity
= 1;
77 static int synchronous
= 1;
78 static int reset_delay
= 100;
79 static int ext_trans
= 0;
81 module_param(host_id
, int, 0);
82 module_param(reconnect
, int, 0);
83 module_param(parity
, int, 0);
84 module_param(synchronous
, int, 0);
85 module_param(reset_delay
, int, 0);
86 module_param(ext_trans
, int, 0);
88 MODULE_LICENSE("Dual MPL/GPL");
90 /*====================================================================*/
92 typedef struct scsi_info_t
{
95 struct Scsi_Host
*host
;
98 static void aha152x_release_cs(dev_link_t
*link
);
99 static int aha152x_event(event_t event
, int priority
,
100 event_callback_args_t
*args
);
102 static dev_link_t
*aha152x_attach(void);
103 static void aha152x_detach(dev_link_t
*);
105 static dev_link_t
*dev_list
;
106 static dev_info_t dev_info
= "aha152x_cs";
108 static dev_link_t
*aha152x_attach(void)
111 client_reg_t client_reg
;
115 DEBUG(0, "aha152x_attach()\n");
117 /* Create new SCSI device */
118 info
= kmalloc(sizeof(*info
), GFP_KERNEL
);
119 if (!info
) return NULL
;
120 memset(info
, 0, sizeof(*info
));
121 link
= &info
->link
; link
->priv
= info
;
123 link
->io
.NumPorts1
= 0x20;
124 link
->io
.Attributes1
= IO_DATA_PATH_WIDTH_AUTO
;
125 link
->io
.IOAddrLines
= 10;
126 link
->irq
.Attributes
= IRQ_TYPE_EXCLUSIVE
;
127 link
->irq
.IRQInfo1
= IRQ_LEVEL_ID
;
128 link
->conf
.Attributes
= CONF_ENABLE_IRQ
;
130 link
->conf
.IntType
= INT_MEMORY_AND_IO
;
131 link
->conf
.Present
= PRESENT_OPTION
;
133 /* Register with Card Services */
134 link
->next
= dev_list
;
136 client_reg
.dev_info
= &dev_info
;
137 client_reg
.event_handler
= &aha152x_event
;
138 client_reg
.EventMask
=
139 CS_EVENT_RESET_REQUEST
| CS_EVENT_CARD_RESET
|
140 CS_EVENT_CARD_INSERTION
| CS_EVENT_CARD_REMOVAL
|
141 CS_EVENT_PM_SUSPEND
| CS_EVENT_PM_RESUME
;
142 client_reg
.Version
= 0x0210;
143 client_reg
.event_callback_args
.client_data
= link
;
144 ret
= pcmcia_register_client(&link
->handle
, &client_reg
);
146 cs_error(link
->handle
, RegisterClient
, ret
);
147 aha152x_detach(link
);
152 } /* aha152x_attach */
154 /*====================================================================*/
156 static void aha152x_detach(dev_link_t
*link
)
160 DEBUG(0, "aha152x_detach(0x%p)\n", link
);
162 /* Locate device structure */
163 for (linkp
= &dev_list
; *linkp
; linkp
= &(*linkp
)->next
)
164 if (*linkp
== link
) break;
168 if (link
->state
& DEV_CONFIG
)
169 aha152x_release_cs(link
);
172 pcmcia_deregister_client(link
->handle
);
174 /* Unlink device structure, free bits */
178 } /* aha152x_detach */
180 /*====================================================================*/
182 #define CS_CHECK(fn, ret) \
183 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
185 static void aha152x_config_cs(dev_link_t
*link
)
187 client_handle_t handle
= link
->handle
;
188 scsi_info_t
*info
= link
->priv
;
189 struct aha152x_setup s
;
192 int i
, last_ret
, last_fn
;
193 u_char tuple_data
[64];
194 struct Scsi_Host
*host
;
196 DEBUG(0, "aha152x_config(0x%p)\n", link
);
198 tuple
.DesiredTuple
= CISTPL_CONFIG
;
199 tuple
.TupleData
= tuple_data
;
200 tuple
.TupleDataMax
= 64;
201 tuple
.TupleOffset
= 0;
202 CS_CHECK(GetFirstTuple
, pcmcia_get_first_tuple(handle
, &tuple
));
203 CS_CHECK(GetTupleData
, pcmcia_get_tuple_data(handle
, &tuple
));
204 CS_CHECK(ParseTuple
, pcmcia_parse_tuple(handle
, &tuple
, &parse
));
205 link
->conf
.ConfigBase
= parse
.config
.base
;
208 link
->state
|= DEV_CONFIG
;
210 tuple
.DesiredTuple
= CISTPL_CFTABLE_ENTRY
;
211 CS_CHECK(GetFirstTuple
, pcmcia_get_first_tuple(handle
, &tuple
));
213 if (pcmcia_get_tuple_data(handle
, &tuple
) != 0 ||
214 pcmcia_parse_tuple(handle
, &tuple
, &parse
) != 0)
216 /* For New Media T&J, look for a SCSI window */
217 if (parse
.cftable_entry
.io
.win
[0].len
>= 0x20)
218 link
->io
.BasePort1
= parse
.cftable_entry
.io
.win
[0].base
;
219 else if ((parse
.cftable_entry
.io
.nwin
> 1) &&
220 (parse
.cftable_entry
.io
.win
[1].len
>= 0x20))
221 link
->io
.BasePort1
= parse
.cftable_entry
.io
.win
[1].base
;
222 if ((parse
.cftable_entry
.io
.nwin
> 0) &&
223 (link
->io
.BasePort1
< 0xffff)) {
224 link
->conf
.ConfigIndex
= parse
.cftable_entry
.index
;
225 i
= pcmcia_request_io(handle
, &link
->io
);
226 if (i
== CS_SUCCESS
) break;
229 CS_CHECK(GetNextTuple
, pcmcia_get_next_tuple(handle
, &tuple
));
232 CS_CHECK(RequestIRQ
, pcmcia_request_irq(handle
, &link
->irq
));
233 CS_CHECK(RequestConfiguration
, pcmcia_request_configuration(handle
, &link
->conf
));
235 /* Set configuration options for the aha152x driver */
236 memset(&s
, 0, sizeof(s
));
237 s
.conf
= "PCMCIA setup";
238 s
.io_port
= link
->io
.BasePort1
;
239 s
.irq
= link
->irq
.AssignedIRQ
;
241 s
.reconnect
= reconnect
;
243 s
.synchronous
= synchronous
;
244 s
.delay
= reset_delay
;
246 s
.ext_trans
= ext_trans
;
248 host
= aha152x_probe_one(&s
);
250 printk(KERN_INFO
"aha152x_cs: no SCSI devices found\n");
254 sprintf(info
->node
.dev_name
, "scsi%d", host
->host_no
);
255 link
->dev
= &info
->node
;
258 link
->state
&= ~DEV_CONFIG_PENDING
;
262 cs_error(link
->handle
, last_fn
, last_ret
);
263 aha152x_release_cs(link
);
267 static void aha152x_release_cs(dev_link_t
*link
)
269 scsi_info_t
*info
= link
->priv
;
271 aha152x_release(info
->host
);
274 pcmcia_release_configuration(link
->handle
);
275 pcmcia_release_io(link
->handle
, &link
->io
);
276 pcmcia_release_irq(link
->handle
, &link
->irq
);
278 link
->state
&= ~DEV_CONFIG
;
281 static int aha152x_event(event_t event
, int priority
,
282 event_callback_args_t
*args
)
284 dev_link_t
*link
= args
->client_data
;
285 scsi_info_t
*info
= link
->priv
;
287 DEBUG(0, "aha152x_event(0x%06x)\n", event
);
290 case CS_EVENT_CARD_REMOVAL
:
291 link
->state
&= ~DEV_PRESENT
;
292 if (link
->state
& DEV_CONFIG
)
293 aha152x_release_cs(link
);
295 case CS_EVENT_CARD_INSERTION
:
296 link
->state
|= DEV_PRESENT
| DEV_CONFIG_PENDING
;
297 aha152x_config_cs(link
);
299 case CS_EVENT_PM_SUSPEND
:
300 link
->state
|= DEV_SUSPEND
;
301 /* Fall through... */
302 case CS_EVENT_RESET_PHYSICAL
:
303 if (link
->state
& DEV_CONFIG
)
304 pcmcia_release_configuration(link
->handle
);
306 case CS_EVENT_PM_RESUME
:
307 link
->state
&= ~DEV_SUSPEND
;
308 /* Fall through... */
309 case CS_EVENT_CARD_RESET
:
310 if (link
->state
& DEV_CONFIG
) {
312 pcmcia_request_configuration(link
->handle
, &link
->conf
);
313 tmp
.device
->host
= info
->host
;
314 aha152x_host_reset(&tmp
);
321 static struct pcmcia_device_id aha152x_ids
[] = {
322 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
323 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
324 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
325 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
326 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
329 MODULE_DEVICE_TABLE(pcmcia
, aha152x_ids
);
331 static struct pcmcia_driver aha152x_cs_driver
= {
332 .owner
= THIS_MODULE
,
334 .name
= "aha152x_cs",
336 .attach
= aha152x_attach
,
337 .detach
= aha152x_detach
,
338 .id_table
= aha152x_ids
,
341 static int __init
init_aha152x_cs(void)
343 return pcmcia_register_driver(&aha152x_cs_driver
);
346 static void __exit
exit_aha152x_cs(void)
348 pcmcia_unregister_driver(&aha152x_cs_driver
);
349 BUG_ON(dev_list
!= NULL
);
352 module_init(init_aha152x_cs
);
353 module_exit(exit_aha152x_cs
);