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1da177e4 LT |
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> | |
1da177e4 LT |
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 | ||
1da177e4 LT |
52 | #include <pcmcia/cistpl.h> |
53 | #include <pcmcia/ds.h> | |
54 | ||
1da177e4 LT |
55 | |
56 | /*====================================================================*/ | |
57 | ||
58 | /* Parameters that can be set with 'insmod' */ | |
59 | ||
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; | |
67 | ||
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); | |
74 | ||
75 | MODULE_LICENSE("Dual MPL/GPL"); | |
76 | ||
77 | /*====================================================================*/ | |
78 | ||
79 | typedef struct scsi_info_t { | |
fd238232 | 80 | struct pcmcia_device *p_dev; |
1da177e4 LT |
81 | struct Scsi_Host *host; |
82 | } scsi_info_t; | |
83 | ||
fba395ee | 84 | static void aha152x_release_cs(struct pcmcia_device *link); |
cc3b4866 | 85 | static void aha152x_detach(struct pcmcia_device *p_dev); |
15b99ac1 | 86 | static int aha152x_config_cs(struct pcmcia_device *link); |
1da177e4 | 87 | |
fba395ee | 88 | static struct pcmcia_device *dev_list; |
1da177e4 | 89 | |
15b99ac1 | 90 | static int aha152x_probe(struct pcmcia_device *link) |
1da177e4 LT |
91 | { |
92 | scsi_info_t *info; | |
fba395ee | 93 | |
3e716617 | 94 | dev_dbg(&link->dev, "aha152x_attach()\n"); |
1da177e4 LT |
95 | |
96 | /* Create new SCSI device */ | |
dd00cc48 | 97 | info = kzalloc(sizeof(*info), GFP_KERNEL); |
f8cfa618 | 98 | if (!info) return -ENOMEM; |
fba395ee | 99 | info->p_dev = link; |
fd238232 | 100 | link->priv = info; |
1da177e4 | 101 | |
00990e7c | 102 | link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO; |
7feabb64 | 103 | link->config_regs = PRESENT_OPTION; |
1da177e4 | 104 | |
15b99ac1 | 105 | return aha152x_config_cs(link); |
1da177e4 LT |
106 | } /* aha152x_attach */ |
107 | ||
108 | /*====================================================================*/ | |
109 | ||
fba395ee | 110 | static void aha152x_detach(struct pcmcia_device *link) |
1da177e4 | 111 | { |
3e716617 | 112 | dev_dbg(&link->dev, "aha152x_detach\n"); |
1da177e4 | 113 | |
e2d40963 | 114 | aha152x_release_cs(link); |
1da177e4 | 115 | |
1da177e4 | 116 | /* Unlink device structure, free bits */ |
1da177e4 | 117 | kfree(link->priv); |
1da177e4 LT |
118 | } /* aha152x_detach */ |
119 | ||
120 | /*====================================================================*/ | |
121 | ||
00990e7c | 122 | static int aha152x_config_check(struct pcmcia_device *p_dev, void *priv_data) |
0e6f9d27 | 123 | { |
90abdc3b | 124 | p_dev->io_lines = 10; |
00990e7c | 125 | |
0e6f9d27 | 126 | /* For New Media T&J, look for a SCSI window */ |
00990e7c DB |
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; | |
130 | ||
131 | if (p_dev->resource[0]->start >= 0xffff) | |
132 | return -EINVAL; | |
133 | ||
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; | |
138 | ||
139 | return pcmcia_request_io(p_dev); | |
0e6f9d27 DB |
140 | } |
141 | ||
15b99ac1 | 142 | static int aha152x_config_cs(struct pcmcia_device *link) |
1da177e4 | 143 | { |
1da177e4 LT |
144 | scsi_info_t *info = link->priv; |
145 | struct aha152x_setup s; | |
3e716617 | 146 | int ret; |
1da177e4 | 147 | struct Scsi_Host *host; |
0e6f9d27 | 148 | |
3e716617 | 149 | dev_dbg(&link->dev, "aha152x_config\n"); |
1da177e4 | 150 | |
3e716617 DB |
151 | ret = pcmcia_loop_config(link, aha152x_config_check, NULL); |
152 | if (ret) | |
153 | goto failed; | |
0e6f9d27 | 154 | |
eb14120f | 155 | if (!link->irq) |
3e716617 DB |
156 | goto failed; |
157 | ||
1ac71e5a | 158 | ret = pcmcia_enable_device(link); |
3e716617 DB |
159 | if (ret) |
160 | goto failed; | |
1da177e4 LT |
161 | |
162 | /* Set configuration options for the aha152x driver */ | |
163 | memset(&s, 0, sizeof(s)); | |
164 | s.conf = "PCMCIA setup"; | |
9a017a91 | 165 | s.io_port = link->resource[0]->start; |
eb14120f | 166 | s.irq = link->irq; |
1da177e4 LT |
167 | s.scsiid = host_id; |
168 | s.reconnect = reconnect; | |
169 | s.parity = parity; | |
170 | s.synchronous = synchronous; | |
171 | s.delay = reset_delay; | |
172 | if (ext_trans) | |
173 | s.ext_trans = ext_trans; | |
174 | ||
175 | host = aha152x_probe_one(&s); | |
176 | if (host == NULL) { | |
177 | printk(KERN_INFO "aha152x_cs: no SCSI devices found\n"); | |
3e716617 | 178 | goto failed; |
1da177e4 LT |
179 | } |
180 | ||
1da177e4 LT |
181 | info->host = host; |
182 | ||
15b99ac1 DB |
183 | return 0; |
184 | ||
0e6f9d27 | 185 | failed: |
1da177e4 | 186 | aha152x_release_cs(link); |
15b99ac1 | 187 | return -ENODEV; |
1da177e4 LT |
188 | } |
189 | ||
fba395ee | 190 | static void aha152x_release_cs(struct pcmcia_device *link) |
1da177e4 LT |
191 | { |
192 | scsi_info_t *info = link->priv; | |
193 | ||
194 | aha152x_release(info->host); | |
fba395ee | 195 | pcmcia_disable_device(link); |
1da177e4 LT |
196 | } |
197 | ||
fba395ee | 198 | static int aha152x_resume(struct pcmcia_device *link) |
98e4c28b | 199 | { |
98e4c28b DB |
200 | scsi_info_t *info = link->priv; |
201 | ||
8661bb5b | 202 | aha152x_host_reset_host(info->host); |
98e4c28b DB |
203 | |
204 | return 0; | |
205 | } | |
206 | ||
2dc27daa DB |
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), | |
213 | PCMCIA_DEVICE_NULL, | |
214 | }; | |
215 | MODULE_DEVICE_TABLE(pcmcia, aha152x_ids); | |
216 | ||
1da177e4 LT |
217 | static struct pcmcia_driver aha152x_cs_driver = { |
218 | .owner = THIS_MODULE, | |
219 | .drv = { | |
220 | .name = "aha152x_cs", | |
221 | }, | |
15b99ac1 | 222 | .probe = aha152x_probe, |
cc3b4866 | 223 | .remove = aha152x_detach, |
2dc27daa | 224 | .id_table = aha152x_ids, |
98e4c28b | 225 | .resume = aha152x_resume, |
1da177e4 LT |
226 | }; |
227 | ||
228 | static int __init init_aha152x_cs(void) | |
229 | { | |
230 | return pcmcia_register_driver(&aha152x_cs_driver); | |
231 | } | |
232 | ||
233 | static void __exit exit_aha152x_cs(void) | |
234 | { | |
235 | pcmcia_unregister_driver(&aha152x_cs_driver); | |
236 | BUG_ON(dev_list != NULL); | |
237 | } | |
238 | ||
239 | module_init(init_aha152x_cs); | |
240 | module_exit(exit_aha152x_cs); |