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/slab.h>
41 #include <linux/string.h>
42 #include <linux/ioport.h>
43 #include <scsi/scsi.h>
44 #include <linux/major.h>
45 #include <linux/blkdev.h>
46 #include <scsi/scsi_ioctl.h>
49 #include <scsi/scsi_host.h>
52 #include <pcmcia/cistpl.h>
53 #include <pcmcia/ds.h>
56 /*====================================================================*/
58 /* Parameters that can be set with 'insmod' */
60 /* SCSI bus setup options */
61 static int host_id
= 7;
62 static int reconnect
= 1;
63 static int parity
= 1;
64 static int synchronous
= 1;
65 static int reset_delay
= 100;
66 static int ext_trans
= 0;
68 module_param(host_id
, int, 0);
69 module_param(reconnect
, int, 0);
70 module_param(parity
, int, 0);
71 module_param(synchronous
, int, 0);
72 module_param(reset_delay
, int, 0);
73 module_param(ext_trans
, int, 0);
75 MODULE_LICENSE("Dual MPL/GPL");
77 /*====================================================================*/
79 typedef struct scsi_info_t
{
80 struct pcmcia_device
*p_dev
;
81 struct Scsi_Host
*host
;
84 static void aha152x_release_cs(struct pcmcia_device
*link
);
85 static void aha152x_detach(struct pcmcia_device
*p_dev
);
86 static int aha152x_config_cs(struct pcmcia_device
*link
);
88 static struct pcmcia_device
*dev_list
;
90 static int aha152x_probe(struct pcmcia_device
*link
)
94 dev_dbg(&link
->dev
, "aha152x_attach()\n");
96 /* Create new SCSI device */
97 info
= kzalloc(sizeof(*info
), GFP_KERNEL
);
98 if (!info
) return -ENOMEM
;
102 link
->config_flags
|= CONF_ENABLE_IRQ
| CONF_AUTO_SET_IO
;
103 link
->config_regs
= PRESENT_OPTION
;
105 return aha152x_config_cs(link
);
106 } /* aha152x_attach */
108 /*====================================================================*/
110 static void aha152x_detach(struct pcmcia_device
*link
)
112 dev_dbg(&link
->dev
, "aha152x_detach\n");
114 aha152x_release_cs(link
);
116 /* Unlink device structure, free bits */
118 } /* aha152x_detach */
120 /*====================================================================*/
122 static int aha152x_config_check(struct pcmcia_device
*p_dev
, void *priv_data
)
124 p_dev
->io_lines
= 10;
126 /* For New Media T&J, look for a SCSI window */
127 if ((p_dev
->resource
[0]->end
< 0x20) &&
128 (p_dev
->resource
[1]->end
>= 0x20))
129 p_dev
->resource
[0]->start
= p_dev
->resource
[1]->start
;
131 if (p_dev
->resource
[0]->start
>= 0xffff)
134 p_dev
->resource
[1]->start
= p_dev
->resource
[1]->end
= 0;
135 p_dev
->resource
[0]->end
= 0x20;
136 p_dev
->resource
[0]->flags
&= ~IO_DATA_PATH_WIDTH
;
137 p_dev
->resource
[0]->flags
|= IO_DATA_PATH_WIDTH_AUTO
;
139 return pcmcia_request_io(p_dev
);
142 static int aha152x_config_cs(struct pcmcia_device
*link
)
144 scsi_info_t
*info
= link
->priv
;
145 struct aha152x_setup s
;
147 struct Scsi_Host
*host
;
149 dev_dbg(&link
->dev
, "aha152x_config\n");
151 ret
= pcmcia_loop_config(link
, aha152x_config_check
, NULL
);
158 ret
= pcmcia_enable_device(link
);
162 /* Set configuration options for the aha152x driver */
163 memset(&s
, 0, sizeof(s
));
164 s
.conf
= "PCMCIA setup";
165 s
.io_port
= link
->resource
[0]->start
;
168 s
.reconnect
= reconnect
;
170 s
.synchronous
= synchronous
;
171 s
.delay
= reset_delay
;
173 s
.ext_trans
= ext_trans
;
175 host
= aha152x_probe_one(&s
);
177 printk(KERN_INFO
"aha152x_cs: no SCSI devices found\n");
186 aha152x_release_cs(link
);
190 static void aha152x_release_cs(struct pcmcia_device
*link
)
192 scsi_info_t
*info
= link
->priv
;
194 aha152x_release(info
->host
);
195 pcmcia_disable_device(link
);
198 static int aha152x_resume(struct pcmcia_device
*link
)
200 scsi_info_t
*info
= link
->priv
;
202 aha152x_host_reset_host(info
->host
);
207 static struct pcmcia_device_id aha152x_ids
[] = {
208 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
209 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
210 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
211 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
212 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
215 MODULE_DEVICE_TABLE(pcmcia
, aha152x_ids
);
217 static struct pcmcia_driver aha152x_cs_driver
= {
218 .owner
= THIS_MODULE
,
219 .name
= "aha152x_cs",
220 .probe
= aha152x_probe
,
221 .remove
= aha152x_detach
,
222 .id_table
= aha152x_ids
,
223 .resume
= aha152x_resume
,
226 static int __init
init_aha152x_cs(void)
228 return pcmcia_register_driver(&aha152x_cs_driver
);
231 static void __exit
exit_aha152x_cs(void)
233 pcmcia_unregister_driver(&aha152x_cs_driver
);
234 BUG_ON(dev_list
!= NULL
);
237 module_init(init_aha152x_cs
);
238 module_exit(exit_aha152x_cs
);