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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> | |
37 | #include <linux/sched.h> | |
38 | #include <linux/slab.h> | |
39 | #include <linux/string.h> | |
40 | #include <linux/ioport.h> | |
41 | #include <scsi/scsi.h> | |
42 | #include <linux/major.h> | |
43 | #include <linux/blkdev.h> | |
44 | #include <scsi/scsi_ioctl.h> | |
45 | ||
46 | #include "scsi.h" | |
47 | #include <scsi/scsi_host.h> | |
48 | #include "fdomain.h" | |
49 | ||
1da177e4 LT |
50 | #include <pcmcia/cs_types.h> |
51 | #include <pcmcia/cs.h> | |
52 | #include <pcmcia/cistpl.h> | |
53 | #include <pcmcia/ds.h> | |
54 | ||
55 | /*====================================================================*/ | |
56 | ||
57 | /* Module parameters */ | |
58 | ||
59 | MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>"); | |
60 | MODULE_DESCRIPTION("Future Domain PCMCIA SCSI driver"); | |
61 | MODULE_LICENSE("Dual MPL/GPL"); | |
62 | ||
63 | #ifdef PCMCIA_DEBUG | |
64 | static int pc_debug = PCMCIA_DEBUG; | |
65 | module_param(pc_debug, int, 0); | |
66 | #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args) | |
67 | static char *version = | |
68 | "fdomain_cs.c 1.47 2001/10/13 00:08:52 (David Hinds)"; | |
69 | #else | |
70 | #define DEBUG(n, args...) | |
71 | #endif | |
72 | ||
73 | /*====================================================================*/ | |
74 | ||
75 | typedef struct scsi_info_t { | |
fd238232 | 76 | struct pcmcia_device *p_dev; |
1da177e4 LT |
77 | dev_node_t node; |
78 | struct Scsi_Host *host; | |
79 | } scsi_info_t; | |
80 | ||
81 | ||
fba395ee | 82 | static void fdomain_release(struct pcmcia_device *link); |
cc3b4866 | 83 | static void fdomain_detach(struct pcmcia_device *p_dev); |
15b99ac1 | 84 | static int fdomain_config(struct pcmcia_device *link); |
1da177e4 | 85 | |
15b99ac1 | 86 | static int fdomain_probe(struct pcmcia_device *link) |
1da177e4 | 87 | { |
15b99ac1 DB |
88 | scsi_info_t *info; |
89 | ||
90 | DEBUG(0, "fdomain_attach()\n"); | |
91 | ||
92 | /* Create new SCSI device */ | |
93 | info = kzalloc(sizeof(*info), GFP_KERNEL); | |
94 | if (!info) | |
95 | return -ENOMEM; | |
96 | ||
97 | info->p_dev = link; | |
98 | link->priv = info; | |
99 | link->io.NumPorts1 = 0x10; | |
100 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; | |
101 | link->io.IOAddrLines = 10; | |
102 | link->irq.Attributes = IRQ_TYPE_EXCLUSIVE; | |
103 | link->irq.IRQInfo1 = IRQ_LEVEL_ID; | |
104 | link->conf.Attributes = CONF_ENABLE_IRQ; | |
105 | link->conf.IntType = INT_MEMORY_AND_IO; | |
106 | link->conf.Present = PRESENT_OPTION; | |
107 | ||
15b99ac1 | 108 | return fdomain_config(link); |
1da177e4 LT |
109 | } /* fdomain_attach */ |
110 | ||
111 | /*====================================================================*/ | |
112 | ||
fba395ee | 113 | static void fdomain_detach(struct pcmcia_device *link) |
1da177e4 | 114 | { |
b4635811 DB |
115 | DEBUG(0, "fdomain_detach(0x%p)\n", link); |
116 | ||
e2d40963 | 117 | fdomain_release(link); |
b4635811 DB |
118 | |
119 | kfree(link->priv); | |
1da177e4 LT |
120 | } /* fdomain_detach */ |
121 | ||
122 | /*====================================================================*/ | |
123 | ||
124 | #define CS_CHECK(fn, ret) \ | |
125 | do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) | |
126 | ||
15b99ac1 | 127 | static int fdomain_config(struct pcmcia_device *link) |
1da177e4 | 128 | { |
1da177e4 LT |
129 | scsi_info_t *info = link->priv; |
130 | tuple_t tuple; | |
131 | cisparse_t parse; | |
132 | int i, last_ret, last_fn; | |
133 | u_char tuple_data[64]; | |
134 | char str[16]; | |
135 | struct Scsi_Host *host; | |
136 | ||
137 | DEBUG(0, "fdomain_config(0x%p)\n", link); | |
138 | ||
139 | tuple.DesiredTuple = CISTPL_CONFIG; | |
140 | tuple.TupleData = tuple_data; | |
141 | tuple.TupleDataMax = 64; | |
142 | tuple.TupleOffset = 0; | |
fba395ee DB |
143 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); |
144 | CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); | |
145 | CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); | |
1da177e4 LT |
146 | link->conf.ConfigBase = parse.config.base; |
147 | ||
1da177e4 | 148 | tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; |
fba395ee | 149 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); |
1da177e4 | 150 | while (1) { |
fba395ee DB |
151 | if (pcmcia_get_tuple_data(link, &tuple) != 0 || |
152 | pcmcia_parse_tuple(link, &tuple, &parse) != 0) | |
1da177e4 LT |
153 | goto next_entry; |
154 | link->conf.ConfigIndex = parse.cftable_entry.index; | |
155 | link->io.BasePort1 = parse.cftable_entry.io.win[0].base; | |
fba395ee | 156 | i = pcmcia_request_io(link, &link->io); |
1da177e4 LT |
157 | if (i == CS_SUCCESS) break; |
158 | next_entry: | |
fba395ee | 159 | CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple)); |
1da177e4 LT |
160 | } |
161 | ||
fba395ee DB |
162 | CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); |
163 | CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); | |
15b99ac1 | 164 | |
1da177e4 LT |
165 | /* A bad hack... */ |
166 | release_region(link->io.BasePort1, link->io.NumPorts1); | |
167 | ||
168 | /* Set configuration options for the fdomain driver */ | |
169 | sprintf(str, "%d,%d", link->io.BasePort1, link->irq.AssignedIRQ); | |
170 | fdomain_setup(str); | |
15b99ac1 | 171 | |
1da177e4 LT |
172 | host = __fdomain_16x0_detect(&fdomain_driver_template); |
173 | if (!host) { | |
174 | printk(KERN_INFO "fdomain_cs: no SCSI devices found\n"); | |
175 | goto cs_failed; | |
176 | } | |
15b99ac1 DB |
177 | |
178 | if (scsi_add_host(host, NULL)) | |
179 | goto cs_failed; | |
1da177e4 LT |
180 | scsi_scan_host(host); |
181 | ||
182 | sprintf(info->node.dev_name, "scsi%d", host->host_no); | |
fd238232 | 183 | link->dev_node = &info->node; |
1da177e4 | 184 | info->host = host; |
15b99ac1 | 185 | |
15b99ac1 DB |
186 | return 0; |
187 | ||
1da177e4 | 188 | cs_failed: |
fba395ee | 189 | cs_error(link, last_fn, last_ret); |
1da177e4 | 190 | fdomain_release(link); |
15b99ac1 | 191 | return -ENODEV; |
1da177e4 LT |
192 | } /* fdomain_config */ |
193 | ||
194 | /*====================================================================*/ | |
195 | ||
fba395ee | 196 | static void fdomain_release(struct pcmcia_device *link) |
1da177e4 | 197 | { |
5f2a71fc | 198 | scsi_info_t *info = link->priv; |
1da177e4 | 199 | |
5f2a71fc | 200 | DEBUG(0, "fdomain_release(0x%p)\n", link); |
1da177e4 | 201 | |
5f2a71fc | 202 | scsi_remove_host(info->host); |
fba395ee | 203 | pcmcia_disable_device(link); |
5f2a71fc | 204 | scsi_unregister(info->host); |
1da177e4 LT |
205 | } |
206 | ||
207 | /*====================================================================*/ | |
208 | ||
fba395ee | 209 | static int fdomain_resume(struct pcmcia_device *link) |
98e4c28b | 210 | { |
e2d40963 | 211 | fdomain_16x0_bus_reset(NULL); |
98e4c28b DB |
212 | |
213 | return 0; | |
214 | } | |
215 | ||
2d1fb376 DB |
216 | static struct pcmcia_device_id fdomain_ids[] = { |
217 | PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, 0x859cad20), | |
218 | PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e), | |
219 | PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", "SCSI PCMCIA Credit Card Controller", 0x182bdafe, 0xc80d106f), | |
220 | PCMCIA_DEVICE_NULL, | |
221 | }; | |
222 | MODULE_DEVICE_TABLE(pcmcia, fdomain_ids); | |
223 | ||
1da177e4 LT |
224 | static struct pcmcia_driver fdomain_cs_driver = { |
225 | .owner = THIS_MODULE, | |
226 | .drv = { | |
227 | .name = "fdomain_cs", | |
228 | }, | |
15b99ac1 | 229 | .probe = fdomain_probe, |
cc3b4866 | 230 | .remove = fdomain_detach, |
2d1fb376 | 231 | .id_table = fdomain_ids, |
98e4c28b | 232 | .resume = fdomain_resume, |
1da177e4 LT |
233 | }; |
234 | ||
235 | static int __init init_fdomain_cs(void) | |
236 | { | |
237 | return pcmcia_register_driver(&fdomain_cs_driver); | |
238 | } | |
239 | ||
240 | static void __exit exit_fdomain_cs(void) | |
241 | { | |
242 | pcmcia_unregister_driver(&fdomain_cs_driver); | |
1da177e4 LT |
243 | } |
244 | ||
245 | module_init(init_fdomain_cs); | |
246 | module_exit(exit_fdomain_cs); |