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/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>
47
48 #include "scsi.h"
49 #include <scsi/scsi_host.h>
50 #include "aha152x.h"
51
52 #include <pcmcia/cs_types.h>
53 #include <pcmcia/cs.h>
54 #include <pcmcia/cistpl.h>
55 #include <pcmcia/ds.h>
56
57 #ifdef PCMCIA_DEBUG
58 static int pc_debug = PCMCIA_DEBUG;
59 module_param(pc_debug, int, 0644);
60 #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
61 static char *version =
62 "aha152x_cs.c 1.54 2000/06/12 21:27:25 (David Hinds)";
63 #else
64 #define DEBUG(n, args...)
65 #endif
66
67 /*====================================================================*/
68
69 /* Parameters that can be set with 'insmod' */
70
71 /* SCSI bus setup options */
72 static int host_id = 7;
73 static int reconnect = 1;
74 static int parity = 1;
75 static int synchronous = 1;
76 static int reset_delay = 100;
77 static int ext_trans = 0;
78
79 module_param(host_id, int, 0);
80 module_param(reconnect, int, 0);
81 module_param(parity, int, 0);
82 module_param(synchronous, int, 0);
83 module_param(reset_delay, int, 0);
84 module_param(ext_trans, int, 0);
85
86 MODULE_LICENSE("Dual MPL/GPL");
87
88 /*====================================================================*/
89
90 typedef struct scsi_info_t {
91 struct pcmcia_device *p_dev;
92 dev_node_t node;
93 struct Scsi_Host *host;
94 } scsi_info_t;
95
96 static void aha152x_release_cs(struct pcmcia_device *link);
97 static void aha152x_detach(struct pcmcia_device *p_dev);
98 static int aha152x_config_cs(struct pcmcia_device *link);
99
100 static struct pcmcia_device *dev_list;
101
102 static int aha152x_probe(struct pcmcia_device *link)
103 {
104 scsi_info_t *info;
105
106 DEBUG(0, "aha152x_attach()\n");
107
108 /* Create new SCSI device */
109 info = kzalloc(sizeof(*info), GFP_KERNEL);
110 if (!info) return -ENOMEM;
111 info->p_dev = link;
112 link->priv = info;
113
114 link->io.NumPorts1 = 0x20;
115 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
116 link->io.IOAddrLines = 10;
117 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
118 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
119 link->conf.Attributes = CONF_ENABLE_IRQ;
120 link->conf.IntType = INT_MEMORY_AND_IO;
121 link->conf.Present = PRESENT_OPTION;
122
123 return aha152x_config_cs(link);
124 } /* aha152x_attach */
125
126 /*====================================================================*/
127
128 static void aha152x_detach(struct pcmcia_device *link)
129 {
130 DEBUG(0, "aha152x_detach(0x%p)\n", link);
131
132 aha152x_release_cs(link);
133
134 /* Unlink device structure, free bits */
135 kfree(link->priv);
136 } /* aha152x_detach */
137
138 /*====================================================================*/
139
140 #define CS_CHECK(fn, ret) \
141 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
142
143 static int aha152x_config_cs(struct pcmcia_device *link)
144 {
145 scsi_info_t *info = link->priv;
146 struct aha152x_setup s;
147 tuple_t tuple;
148 cisparse_t parse;
149 int i, last_ret, last_fn;
150 u_char tuple_data[64];
151 struct Scsi_Host *host;
152
153 DEBUG(0, "aha152x_config(0x%p)\n", link);
154
155 tuple.TupleData = tuple_data;
156 tuple.TupleDataMax = 64;
157 tuple.TupleOffset = 0;
158 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
159 tuple.Attributes = 0;
160 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
161 while (1) {
162 if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
163 pcmcia_parse_tuple(link, &tuple, &parse) != 0)
164 goto next_entry;
165 /* For New Media T&J, look for a SCSI window */
166 if (parse.cftable_entry.io.win[0].len >= 0x20)
167 link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
168 else if ((parse.cftable_entry.io.nwin > 1) &&
169 (parse.cftable_entry.io.win[1].len >= 0x20))
170 link->io.BasePort1 = parse.cftable_entry.io.win[1].base;
171 if ((parse.cftable_entry.io.nwin > 0) &&
172 (link->io.BasePort1 < 0xffff)) {
173 link->conf.ConfigIndex = parse.cftable_entry.index;
174 i = pcmcia_request_io(link, &link->io);
175 if (i == CS_SUCCESS) break;
176 }
177 next_entry:
178 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
179 }
180
181 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
182 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
183
184 /* Set configuration options for the aha152x driver */
185 memset(&s, 0, sizeof(s));
186 s.conf = "PCMCIA setup";
187 s.io_port = link->io.BasePort1;
188 s.irq = link->irq.AssignedIRQ;
189 s.scsiid = host_id;
190 s.reconnect = reconnect;
191 s.parity = parity;
192 s.synchronous = synchronous;
193 s.delay = reset_delay;
194 if (ext_trans)
195 s.ext_trans = ext_trans;
196
197 host = aha152x_probe_one(&s);
198 if (host == NULL) {
199 printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
200 goto cs_failed;
201 }
202
203 sprintf(info->node.dev_name, "scsi%d", host->host_no);
204 link->dev_node = &info->node;
205 info->host = host;
206
207 return 0;
208
209 cs_failed:
210 cs_error(link, last_fn, last_ret);
211 aha152x_release_cs(link);
212 return -ENODEV;
213 }
214
215 static void aha152x_release_cs(struct pcmcia_device *link)
216 {
217 scsi_info_t *info = link->priv;
218
219 aha152x_release(info->host);
220 pcmcia_disable_device(link);
221 }
222
223 static int aha152x_resume(struct pcmcia_device *link)
224 {
225 scsi_info_t *info = link->priv;
226
227 aha152x_host_reset_host(info->host);
228
229 return 0;
230 }
231
232 static struct pcmcia_device_id aha152x_ids[] = {
233 PCMCIA_DEVICE_PROD_ID123("New Media", "SCSI", "Bus Toaster", 0xcdf7e4cc, 0x35f26476, 0xa8851d6e),
234 PCMCIA_DEVICE_PROD_ID123("NOTEWORTHY", "SCSI", "Bus Toaster", 0xad89c6e8, 0x35f26476, 0xa8851d6e),
235 PCMCIA_DEVICE_PROD_ID12("Adaptec, Inc.", "APA-1460 SCSI Host Adapter", 0x24ba9738, 0x3a3c3d20),
236 PCMCIA_DEVICE_PROD_ID12("New Media Corporation", "Multimedia Sound/SCSI", 0x085a850b, 0x80a6535c),
237 PCMCIA_DEVICE_PROD_ID12("NOTEWORTHY", "NWCOMB02 SCSI/AUDIO COMBO CARD", 0xad89c6e8, 0x5f9a615b),
238 PCMCIA_DEVICE_NULL,
239 };
240 MODULE_DEVICE_TABLE(pcmcia, aha152x_ids);
241
242 static struct pcmcia_driver aha152x_cs_driver = {
243 .owner = THIS_MODULE,
244 .drv = {
245 .name = "aha152x_cs",
246 },
247 .probe = aha152x_probe,
248 .remove = aha152x_detach,
249 .id_table = aha152x_ids,
250 .resume = aha152x_resume,
251 };
252
253 static int __init init_aha152x_cs(void)
254 {
255 return pcmcia_register_driver(&aha152x_cs_driver);
256 }
257
258 static void __exit exit_aha152x_cs(void)
259 {
260 pcmcia_unregister_driver(&aha152x_cs_driver);
261 BUG_ON(dev_list != NULL);
262 }
263
264 module_init(init_aha152x_cs);
265 module_exit(exit_aha152x_cs);
266
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