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/cs_types.h>
54 #include <pcmcia/cs.h>
55 #include <pcmcia/cistpl.h>
56 #include <pcmcia/ds.h>
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)";
65 #define DEBUG(n, args...)
68 /*====================================================================*/
70 /* Parameters that can be set with 'insmod' */
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;
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);
87 MODULE_LICENSE("Dual MPL/GPL");
89 /*====================================================================*/
91 typedef struct scsi_info_t
{
92 struct pcmcia_device
*p_dev
;
94 struct Scsi_Host
*host
;
97 static void aha152x_release_cs(struct pcmcia_device
*link
);
98 static void aha152x_detach(struct pcmcia_device
*p_dev
);
99 static int aha152x_config_cs(struct pcmcia_device
*link
);
101 static struct pcmcia_device
*dev_list
;
103 static int aha152x_probe(struct pcmcia_device
*link
)
107 DEBUG(0, "aha152x_attach()\n");
109 /* Create new SCSI device */
110 info
= kmalloc(sizeof(*info
), GFP_KERNEL
);
111 if (!info
) return -ENOMEM
;
112 memset(info
, 0, sizeof(*info
));
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
.IntType
= INT_MEMORY_AND_IO
;
123 link
->conf
.Present
= PRESENT_OPTION
;
125 link
->state
|= DEV_PRESENT
| DEV_CONFIG_PENDING
;
126 return aha152x_config_cs(link
);
127 } /* aha152x_attach */
129 /*====================================================================*/
131 static void aha152x_detach(struct pcmcia_device
*link
)
133 DEBUG(0, "aha152x_detach(0x%p)\n", link
);
135 if (link
->state
& DEV_CONFIG
)
136 aha152x_release_cs(link
);
138 /* Unlink device structure, free bits */
140 } /* aha152x_detach */
142 /*====================================================================*/
144 #define CS_CHECK(fn, ret) \
145 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
147 static int aha152x_config_cs(struct pcmcia_device
*link
)
149 scsi_info_t
*info
= link
->priv
;
150 struct aha152x_setup s
;
153 int i
, last_ret
, last_fn
;
154 u_char tuple_data
[64];
155 struct Scsi_Host
*host
;
157 DEBUG(0, "aha152x_config(0x%p)\n", link
);
159 tuple
.DesiredTuple
= CISTPL_CONFIG
;
160 tuple
.TupleData
= tuple_data
;
161 tuple
.TupleDataMax
= 64;
162 tuple
.TupleOffset
= 0;
163 CS_CHECK(GetFirstTuple
, pcmcia_get_first_tuple(link
, &tuple
));
164 CS_CHECK(GetTupleData
, pcmcia_get_tuple_data(link
, &tuple
));
165 CS_CHECK(ParseTuple
, pcmcia_parse_tuple(link
, &tuple
, &parse
));
166 link
->conf
.ConfigBase
= parse
.config
.base
;
169 link
->state
|= DEV_CONFIG
;
171 tuple
.DesiredTuple
= CISTPL_CFTABLE_ENTRY
;
172 CS_CHECK(GetFirstTuple
, pcmcia_get_first_tuple(link
, &tuple
));
174 if (pcmcia_get_tuple_data(link
, &tuple
) != 0 ||
175 pcmcia_parse_tuple(link
, &tuple
, &parse
) != 0)
177 /* For New Media T&J, look for a SCSI window */
178 if (parse
.cftable_entry
.io
.win
[0].len
>= 0x20)
179 link
->io
.BasePort1
= parse
.cftable_entry
.io
.win
[0].base
;
180 else if ((parse
.cftable_entry
.io
.nwin
> 1) &&
181 (parse
.cftable_entry
.io
.win
[1].len
>= 0x20))
182 link
->io
.BasePort1
= parse
.cftable_entry
.io
.win
[1].base
;
183 if ((parse
.cftable_entry
.io
.nwin
> 0) &&
184 (link
->io
.BasePort1
< 0xffff)) {
185 link
->conf
.ConfigIndex
= parse
.cftable_entry
.index
;
186 i
= pcmcia_request_io(link
, &link
->io
);
187 if (i
== CS_SUCCESS
) break;
190 CS_CHECK(GetNextTuple
, pcmcia_get_next_tuple(link
, &tuple
));
193 CS_CHECK(RequestIRQ
, pcmcia_request_irq(link
, &link
->irq
));
194 CS_CHECK(RequestConfiguration
, pcmcia_request_configuration(link
, &link
->conf
));
196 /* Set configuration options for the aha152x driver */
197 memset(&s
, 0, sizeof(s
));
198 s
.conf
= "PCMCIA setup";
199 s
.io_port
= link
->io
.BasePort1
;
200 s
.irq
= link
->irq
.AssignedIRQ
;
202 s
.reconnect
= reconnect
;
204 s
.synchronous
= synchronous
;
205 s
.delay
= reset_delay
;
207 s
.ext_trans
= ext_trans
;
209 host
= aha152x_probe_one(&s
);
211 printk(KERN_INFO
"aha152x_cs: no SCSI devices found\n");
215 sprintf(info
->node
.dev_name
, "scsi%d", host
->host_no
);
216 link
->dev_node
= &info
->node
;
219 link
->state
&= ~DEV_CONFIG_PENDING
;
223 cs_error(link
, last_fn
, last_ret
);
224 aha152x_release_cs(link
);
228 static void aha152x_release_cs(struct pcmcia_device
*link
)
230 scsi_info_t
*info
= link
->priv
;
232 aha152x_release(info
->host
);
233 pcmcia_disable_device(link
);
236 static int aha152x_resume(struct pcmcia_device
*link
)
238 scsi_info_t
*info
= link
->priv
;
240 aha152x_host_reset_host(info
->host
);
245 static struct pcmcia_device_id aha152x_ids
[] = {
246 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
247 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
248 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
249 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
250 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
253 MODULE_DEVICE_TABLE(pcmcia
, aha152x_ids
);
255 static struct pcmcia_driver aha152x_cs_driver
= {
256 .owner
= THIS_MODULE
,
258 .name
= "aha152x_cs",
260 .probe
= aha152x_probe
,
261 .remove
= aha152x_detach
,
262 .id_table
= aha152x_ids
,
263 .resume
= aha152x_resume
,
266 static int __init
init_aha152x_cs(void)
268 return pcmcia_register_driver(&aha152x_cs_driver
);
271 static void __exit
exit_aha152x_cs(void)
273 pcmcia_unregister_driver(&aha152x_cs_driver
);
274 BUG_ON(dev_list
!= NULL
);
277 module_init(init_aha152x_cs
);
278 module_exit(exit_aha152x_cs
);