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1da177e4 LT |
1 | /*====================================================================== |
2 | ||
3 | A driver for Future Domain-compatible PCMCIA SCSI cards | |
4 | ||
5 | fdomain_cs.c 1.47 2001/10/13 00:08:52 | |
6 | ||
7 | The contents of this file are subject to the Mozilla Public | |
8 | License Version 1.1 (the "License"); you may not use this file | |
9 | except in compliance with the License. You may obtain a copy of | |
10 | the License at http://www.mozilla.org/MPL/ | |
11 | ||
12 | Software distributed under the License is distributed on an "AS | |
13 | IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or | |
14 | implied. See the License for the specific language governing | |
15 | rights and limitations under the License. | |
16 | ||
17 | The initial developer of the original code is David A. Hinds | |
18 | <dahinds@users.sourceforge.net>. Portions created by David A. Hinds | |
19 | are Copyright (C) 1999 David A. Hinds. All Rights Reserved. | |
20 | ||
21 | Alternatively, the contents of this file may be used under the | |
22 | terms of the GNU General Public License version 2 (the "GPL"), in | |
23 | which case the provisions of the GPL are applicable instead of the | |
24 | above. If you wish to allow the use of your version of this file | |
25 | only under the terms of the GPL and not to allow others to use | |
26 | your version of this file under the MPL, indicate your decision | |
27 | by deleting the provisions above and replace them with the notice | |
28 | and other provisions required by the GPL. If you do not delete | |
29 | the provisions above, a recipient may use your version of this | |
30 | file under either the MPL or the GPL. | |
31 | ||
32 | ======================================================================*/ | |
33 | ||
34 | #include <linux/module.h> | |
35 | #include <linux/init.h> | |
36 | #include <linux/kernel.h> | |
1da177e4 LT |
37 | #include <linux/slab.h> |
38 | #include <linux/string.h> | |
39 | #include <linux/ioport.h> | |
40 | #include <scsi/scsi.h> | |
41 | #include <linux/major.h> | |
42 | #include <linux/blkdev.h> | |
43 | #include <scsi/scsi_ioctl.h> | |
44 | ||
45 | #include "scsi.h" | |
46 | #include <scsi/scsi_host.h> | |
47 | #include "fdomain.h" | |
48 | ||
1da177e4 LT |
49 | #include <pcmcia/cistpl.h> |
50 | #include <pcmcia/ds.h> | |
51 | ||
52 | /*====================================================================*/ | |
53 | ||
54 | /* Module parameters */ | |
55 | ||
56 | MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>"); | |
57 | MODULE_DESCRIPTION("Future Domain PCMCIA SCSI driver"); | |
58 | MODULE_LICENSE("Dual MPL/GPL"); | |
59 | ||
1da177e4 LT |
60 | /*====================================================================*/ |
61 | ||
62 | typedef struct scsi_info_t { | |
fd238232 | 63 | struct pcmcia_device *p_dev; |
1da177e4 LT |
64 | struct Scsi_Host *host; |
65 | } scsi_info_t; | |
66 | ||
67 | ||
fba395ee | 68 | static void fdomain_release(struct pcmcia_device *link); |
cc3b4866 | 69 | static void fdomain_detach(struct pcmcia_device *p_dev); |
15b99ac1 | 70 | static int fdomain_config(struct pcmcia_device *link); |
1da177e4 | 71 | |
15b99ac1 | 72 | static int fdomain_probe(struct pcmcia_device *link) |
1da177e4 | 73 | { |
15b99ac1 DB |
74 | scsi_info_t *info; |
75 | ||
3e716617 | 76 | dev_dbg(&link->dev, "fdomain_attach()\n"); |
15b99ac1 DB |
77 | |
78 | /* Create new SCSI device */ | |
79 | info = kzalloc(sizeof(*info), GFP_KERNEL); | |
80 | if (!info) | |
81 | return -ENOMEM; | |
82 | ||
83 | info->p_dev = link; | |
84 | link->priv = info; | |
00990e7c | 85 | link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO; |
7feabb64 | 86 | link->config_regs = PRESENT_OPTION; |
15b99ac1 | 87 | |
15b99ac1 | 88 | return fdomain_config(link); |
1da177e4 LT |
89 | } /* fdomain_attach */ |
90 | ||
91 | /*====================================================================*/ | |
92 | ||
fba395ee | 93 | static void fdomain_detach(struct pcmcia_device *link) |
1da177e4 | 94 | { |
3e716617 | 95 | dev_dbg(&link->dev, "fdomain_detach\n"); |
b4635811 | 96 | |
e2d40963 | 97 | fdomain_release(link); |
b4635811 DB |
98 | |
99 | kfree(link->priv); | |
1da177e4 LT |
100 | } /* fdomain_detach */ |
101 | ||
102 | /*====================================================================*/ | |
103 | ||
00990e7c | 104 | static int fdomain_config_check(struct pcmcia_device *p_dev, void *priv_data) |
0e6f9d27 | 105 | { |
90abdc3b | 106 | p_dev->io_lines = 10; |
00990e7c DB |
107 | p_dev->resource[0]->end = 0x10; |
108 | p_dev->resource[0]->flags &= ~IO_DATA_PATH_WIDTH; | |
109 | p_dev->resource[0]->flags |= IO_DATA_PATH_WIDTH_AUTO; | |
90abdc3b | 110 | return pcmcia_request_io(p_dev); |
0e6f9d27 DB |
111 | } |
112 | ||
113 | ||
15b99ac1 | 114 | static int fdomain_config(struct pcmcia_device *link) |
1da177e4 | 115 | { |
1da177e4 | 116 | scsi_info_t *info = link->priv; |
3e716617 | 117 | int ret; |
ecb8a847 | 118 | char str[22]; |
1da177e4 LT |
119 | struct Scsi_Host *host; |
120 | ||
3e716617 | 121 | dev_dbg(&link->dev, "fdomain_config\n"); |
1da177e4 | 122 | |
3e716617 DB |
123 | ret = pcmcia_loop_config(link, fdomain_config_check, NULL); |
124 | if (ret) | |
0e6f9d27 | 125 | goto failed; |
1da177e4 | 126 | |
eb14120f | 127 | if (!link->irq) |
3e716617 | 128 | goto failed; |
1ac71e5a | 129 | ret = pcmcia_enable_device(link); |
3e716617 DB |
130 | if (ret) |
131 | goto failed; | |
15b99ac1 | 132 | |
1da177e4 | 133 | /* A bad hack... */ |
9a017a91 | 134 | release_region(link->resource[0]->start, resource_size(link->resource[0])); |
1da177e4 LT |
135 | |
136 | /* Set configuration options for the fdomain driver */ | |
9a017a91 | 137 | sprintf(str, "%d,%d", (unsigned int) link->resource[0]->start, link->irq); |
1da177e4 | 138 | fdomain_setup(str); |
15b99ac1 | 139 | |
1da177e4 LT |
140 | host = __fdomain_16x0_detect(&fdomain_driver_template); |
141 | if (!host) { | |
142 | printk(KERN_INFO "fdomain_cs: no SCSI devices found\n"); | |
3e716617 | 143 | goto failed; |
1da177e4 | 144 | } |
15b99ac1 DB |
145 | |
146 | if (scsi_add_host(host, NULL)) | |
3e716617 | 147 | goto failed; |
1da177e4 LT |
148 | scsi_scan_host(host); |
149 | ||
1da177e4 | 150 | info->host = host; |
15b99ac1 | 151 | |
15b99ac1 DB |
152 | return 0; |
153 | ||
0e6f9d27 | 154 | failed: |
1da177e4 | 155 | fdomain_release(link); |
15b99ac1 | 156 | return -ENODEV; |
1da177e4 LT |
157 | } /* fdomain_config */ |
158 | ||
159 | /*====================================================================*/ | |
160 | ||
fba395ee | 161 | static void fdomain_release(struct pcmcia_device *link) |
1da177e4 | 162 | { |
5f2a71fc | 163 | scsi_info_t *info = link->priv; |
1da177e4 | 164 | |
3e716617 | 165 | dev_dbg(&link->dev, "fdomain_release\n"); |
1da177e4 | 166 | |
5f2a71fc | 167 | scsi_remove_host(info->host); |
fba395ee | 168 | pcmcia_disable_device(link); |
5f2a71fc | 169 | scsi_unregister(info->host); |
1da177e4 LT |
170 | } |
171 | ||
172 | /*====================================================================*/ | |
173 | ||
fba395ee | 174 | static int fdomain_resume(struct pcmcia_device *link) |
98e4c28b | 175 | { |
e2d40963 | 176 | fdomain_16x0_bus_reset(NULL); |
98e4c28b DB |
177 | |
178 | return 0; | |
179 | } | |
180 | ||
2d1fb376 DB |
181 | static struct pcmcia_device_id fdomain_ids[] = { |
182 | PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, 0x859cad20), | |
183 | PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e), | |
184 | PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", "SCSI PCMCIA Credit Card Controller", 0x182bdafe, 0xc80d106f), | |
185 | PCMCIA_DEVICE_NULL, | |
186 | }; | |
187 | MODULE_DEVICE_TABLE(pcmcia, fdomain_ids); | |
188 | ||
1da177e4 LT |
189 | static struct pcmcia_driver fdomain_cs_driver = { |
190 | .owner = THIS_MODULE, | |
191 | .drv = { | |
192 | .name = "fdomain_cs", | |
193 | }, | |
15b99ac1 | 194 | .probe = fdomain_probe, |
cc3b4866 | 195 | .remove = fdomain_detach, |
2d1fb376 | 196 | .id_table = fdomain_ids, |
98e4c28b | 197 | .resume = fdomain_resume, |
1da177e4 LT |
198 | }; |
199 | ||
200 | static int __init init_fdomain_cs(void) | |
201 | { | |
202 | return pcmcia_register_driver(&fdomain_cs_driver); | |
203 | } | |
204 | ||
205 | static void __exit exit_fdomain_cs(void) | |
206 | { | |
207 | pcmcia_unregister_driver(&fdomain_cs_driver); | |
1da177e4 LT |
208 | } |
209 | ||
210 | module_init(init_fdomain_cs); | |
211 | module_exit(exit_fdomain_cs); |