pcmcia: CompactFlash driver for PA Semi Electra boards
[pv_ops_mirror.git] / drivers / scsi / pcmcia / fdomain_stub.c
blob4b82b2021981a5598c4861867d6d31236bc8f532
1 /*======================================================================
3 A driver for Future Domain-compatible PCMCIA SCSI cards
5 fdomain_cs.c 1.47 2001/10/13 00:08:52
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/
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.
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.
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.
32 ======================================================================*/
34 #include <linux/module.h>
35 #include <linux/init.h>
36 #include <linux/kernel.h>
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>
45 #include "scsi.h"
46 #include <scsi/scsi_host.h>
47 #include "fdomain.h"
49 #include <pcmcia/cs_types.h>
50 #include <pcmcia/cs.h>
51 #include <pcmcia/cistpl.h>
52 #include <pcmcia/ds.h>
54 /*====================================================================*/
56 /* Module parameters */
58 MODULE_AUTHOR("David Hinds <dahinds@users.sourceforge.net>");
59 MODULE_DESCRIPTION("Future Domain PCMCIA SCSI driver");
60 MODULE_LICENSE("Dual MPL/GPL");
62 #ifdef PCMCIA_DEBUG
63 static int pc_debug = PCMCIA_DEBUG;
64 module_param(pc_debug, int, 0);
65 #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args)
66 static char *version =
67 "fdomain_cs.c 1.47 2001/10/13 00:08:52 (David Hinds)";
68 #else
69 #define DEBUG(n, args...)
70 #endif
72 /*====================================================================*/
74 typedef struct scsi_info_t {
75 struct pcmcia_device *p_dev;
76 dev_node_t node;
77 struct Scsi_Host *host;
78 } scsi_info_t;
81 static void fdomain_release(struct pcmcia_device *link);
82 static void fdomain_detach(struct pcmcia_device *p_dev);
83 static int fdomain_config(struct pcmcia_device *link);
85 static int fdomain_probe(struct pcmcia_device *link)
87 scsi_info_t *info;
89 DEBUG(0, "fdomain_attach()\n");
91 /* Create new SCSI device */
92 info = kzalloc(sizeof(*info), GFP_KERNEL);
93 if (!info)
94 return -ENOMEM;
96 info->p_dev = link;
97 link->priv = info;
98 link->io.NumPorts1 = 0x10;
99 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
100 link->io.IOAddrLines = 10;
101 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE;
102 link->irq.IRQInfo1 = IRQ_LEVEL_ID;
103 link->conf.Attributes = CONF_ENABLE_IRQ;
104 link->conf.IntType = INT_MEMORY_AND_IO;
105 link->conf.Present = PRESENT_OPTION;
107 return fdomain_config(link);
108 } /* fdomain_attach */
110 /*====================================================================*/
112 static void fdomain_detach(struct pcmcia_device *link)
114 DEBUG(0, "fdomain_detach(0x%p)\n", link);
116 fdomain_release(link);
118 kfree(link->priv);
119 } /* fdomain_detach */
121 /*====================================================================*/
123 #define CS_CHECK(fn, ret) \
124 do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0)
126 static int fdomain_config(struct pcmcia_device *link)
128 scsi_info_t *info = link->priv;
129 tuple_t tuple;
130 cisparse_t parse;
131 int i, last_ret, last_fn;
132 u_char tuple_data[64];
133 char str[16];
134 struct Scsi_Host *host;
136 DEBUG(0, "fdomain_config(0x%p)\n", link);
138 tuple.TupleData = tuple_data;
139 tuple.TupleDataMax = 64;
140 tuple.TupleOffset = 0;
142 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
143 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
144 while (1) {
145 if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
146 pcmcia_parse_tuple(link, &tuple, &parse) != 0)
147 goto next_entry;
148 link->conf.ConfigIndex = parse.cftable_entry.index;
149 link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
150 i = pcmcia_request_io(link, &link->io);
151 if (i == CS_SUCCESS) break;
152 next_entry:
153 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
156 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
157 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
159 /* A bad hack... */
160 release_region(link->io.BasePort1, link->io.NumPorts1);
162 /* Set configuration options for the fdomain driver */
163 sprintf(str, "%d,%d", link->io.BasePort1, link->irq.AssignedIRQ);
164 fdomain_setup(str);
166 host = __fdomain_16x0_detect(&fdomain_driver_template);
167 if (!host) {
168 printk(KERN_INFO "fdomain_cs: no SCSI devices found\n");
169 goto cs_failed;
172 if (scsi_add_host(host, NULL))
173 goto cs_failed;
174 scsi_scan_host(host);
176 sprintf(info->node.dev_name, "scsi%d", host->host_no);
177 link->dev_node = &info->node;
178 info->host = host;
180 return 0;
182 cs_failed:
183 cs_error(link, last_fn, last_ret);
184 fdomain_release(link);
185 return -ENODEV;
186 } /* fdomain_config */
188 /*====================================================================*/
190 static void fdomain_release(struct pcmcia_device *link)
192 scsi_info_t *info = link->priv;
194 DEBUG(0, "fdomain_release(0x%p)\n", link);
196 scsi_remove_host(info->host);
197 pcmcia_disable_device(link);
198 scsi_unregister(info->host);
201 /*====================================================================*/
203 static int fdomain_resume(struct pcmcia_device *link)
205 fdomain_16x0_bus_reset(NULL);
207 return 0;
210 static struct pcmcia_device_id fdomain_ids[] = {
211 PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, 0x859cad20),
212 PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e),
213 PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", "SCSI PCMCIA Credit Card Controller", 0x182bdafe, 0xc80d106f),
214 PCMCIA_DEVICE_NULL,
216 MODULE_DEVICE_TABLE(pcmcia, fdomain_ids);
218 static struct pcmcia_driver fdomain_cs_driver = {
219 .owner = THIS_MODULE,
220 .drv = {
221 .name = "fdomain_cs",
223 .probe = fdomain_probe,
224 .remove = fdomain_detach,
225 .id_table = fdomain_ids,
226 .resume = fdomain_resume,
229 static int __init init_fdomain_cs(void)
231 return pcmcia_register_driver(&fdomain_cs_driver);
234 static void __exit exit_fdomain_cs(void)
236 pcmcia_unregister_driver(&fdomain_cs_driver);
239 module_init(init_fdomain_cs);
240 module_exit(exit_fdomain_cs);