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
->resource
[0]->end
= 0x20;
103 link
->resource
[0]->flags
|= IO_DATA_PATH_WIDTH_AUTO
;
104 link
->config_flags
|= CONF_ENABLE_IRQ
;
105 link
->config_regs
= PRESENT_OPTION
;
107 return aha152x_config_cs(link
);
108 } /* aha152x_attach */
110 /*====================================================================*/
112 static void aha152x_detach(struct pcmcia_device
*link
)
114 dev_dbg(&link
->dev
, "aha152x_detach\n");
116 aha152x_release_cs(link
);
118 /* Unlink device structure, free bits */
120 } /* aha152x_detach */
122 /*====================================================================*/
124 static int aha152x_config_check(struct pcmcia_device
*p_dev
,
125 cistpl_cftable_entry_t
*cfg
,
126 cistpl_cftable_entry_t
*dflt
,
130 p_dev
->io_lines
= 10;
131 /* For New Media T&J, look for a SCSI window */
132 if (cfg
->io
.win
[0].len
>= 0x20)
133 p_dev
->resource
[0]->start
= cfg
->io
.win
[0].base
;
134 else if ((cfg
->io
.nwin
> 1) &&
135 (cfg
->io
.win
[1].len
>= 0x20))
136 p_dev
->resource
[0]->start
= cfg
->io
.win
[1].base
;
137 if ((cfg
->io
.nwin
> 0) &&
138 (p_dev
->resource
[0]->start
< 0xffff)) {
139 if (!pcmcia_request_io(p_dev
))
145 static int aha152x_config_cs(struct pcmcia_device
*link
)
147 scsi_info_t
*info
= link
->priv
;
148 struct aha152x_setup s
;
150 struct Scsi_Host
*host
;
152 dev_dbg(&link
->dev
, "aha152x_config\n");
154 ret
= pcmcia_loop_config(link
, aha152x_config_check
, NULL
);
161 ret
= pcmcia_enable_device(link
);
165 /* Set configuration options for the aha152x driver */
166 memset(&s
, 0, sizeof(s
));
167 s
.conf
= "PCMCIA setup";
168 s
.io_port
= link
->resource
[0]->start
;
171 s
.reconnect
= reconnect
;
173 s
.synchronous
= synchronous
;
174 s
.delay
= reset_delay
;
176 s
.ext_trans
= ext_trans
;
178 host
= aha152x_probe_one(&s
);
180 printk(KERN_INFO
"aha152x_cs: no SCSI devices found\n");
189 aha152x_release_cs(link
);
193 static void aha152x_release_cs(struct pcmcia_device
*link
)
195 scsi_info_t
*info
= link
->priv
;
197 aha152x_release(info
->host
);
198 pcmcia_disable_device(link
);
201 static int aha152x_resume(struct pcmcia_device
*link
)
203 scsi_info_t
*info
= link
->priv
;
205 aha152x_host_reset_host(info
->host
);
210 static struct pcmcia_device_id aha152x_ids
[] = {
211 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
212 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
213 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
214 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
215 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
218 MODULE_DEVICE_TABLE(pcmcia
, aha152x_ids
);
220 static struct pcmcia_driver aha152x_cs_driver
= {
221 .owner
= THIS_MODULE
,
223 .name
= "aha152x_cs",
225 .probe
= aha152x_probe
,
226 .remove
= aha152x_detach
,
227 .id_table
= aha152x_ids
,
228 .resume
= aha152x_resume
,
231 static int __init
init_aha152x_cs(void)
233 return pcmcia_register_driver(&aha152x_cs_driver
);
236 static void __exit
exit_aha152x_cs(void)
238 pcmcia_unregister_driver(&aha152x_cs_driver
);
239 BUG_ON(dev_list
!= NULL
);
242 module_init(init_aha152x_cs
);
243 module_exit(exit_aha152x_cs
);