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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 { | |
76 | dev_link_t link; | |
77 | dev_node_t node; | |
78 | struct Scsi_Host *host; | |
79 | } scsi_info_t; | |
80 | ||
81 | ||
82 | static void fdomain_release(dev_link_t *link); | |
cc3b4866 | 83 | static void fdomain_detach(struct pcmcia_device *p_dev); |
f8cfa618 | 84 | static void fdomain_config(dev_link_t *link); |
1da177e4 | 85 | |
f8cfa618 | 86 | static int fdomain_attach(struct pcmcia_device *p_dev) |
1da177e4 LT |
87 | { |
88 | scsi_info_t *info; | |
1da177e4 | 89 | dev_link_t *link; |
f8cfa618 | 90 | |
1da177e4 LT |
91 | DEBUG(0, "fdomain_attach()\n"); |
92 | ||
93 | /* Create new SCSI device */ | |
94 | info = kmalloc(sizeof(*info), GFP_KERNEL); | |
f8cfa618 | 95 | if (!info) return -ENOMEM; |
1da177e4 LT |
96 | memset(info, 0, sizeof(*info)); |
97 | link = &info->link; 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; | |
1da177e4 LT |
104 | link->conf.IntType = INT_MEMORY_AND_IO; |
105 | link->conf.Present = PRESENT_OPTION; | |
106 | ||
f8cfa618 DB |
107 | link->handle = p_dev; |
108 | p_dev->instance = link; | |
109 | ||
110 | link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; | |
111 | fdomain_config(link); | |
112 | ||
113 | return 0; | |
1da177e4 LT |
114 | } /* fdomain_attach */ |
115 | ||
116 | /*====================================================================*/ | |
117 | ||
cc3b4866 | 118 | static void fdomain_detach(struct pcmcia_device *p_dev) |
1da177e4 | 119 | { |
b4635811 | 120 | dev_link_t *link = dev_to_instance(p_dev); |
1da177e4 | 121 | |
b4635811 DB |
122 | DEBUG(0, "fdomain_detach(0x%p)\n", link); |
123 | ||
124 | if (link->state & DEV_CONFIG) | |
125 | fdomain_release(link); | |
126 | ||
127 | kfree(link->priv); | |
1da177e4 LT |
128 | } /* fdomain_detach */ |
129 | ||
130 | /*====================================================================*/ | |
131 | ||
132 | #define CS_CHECK(fn, ret) \ | |
133 | do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) | |
134 | ||
135 | static void fdomain_config(dev_link_t *link) | |
136 | { | |
137 | client_handle_t handle = link->handle; | |
138 | scsi_info_t *info = link->priv; | |
139 | tuple_t tuple; | |
140 | cisparse_t parse; | |
141 | int i, last_ret, last_fn; | |
142 | u_char tuple_data[64]; | |
143 | char str[16]; | |
144 | struct Scsi_Host *host; | |
145 | ||
146 | DEBUG(0, "fdomain_config(0x%p)\n", link); | |
147 | ||
148 | tuple.DesiredTuple = CISTPL_CONFIG; | |
149 | tuple.TupleData = tuple_data; | |
150 | tuple.TupleDataMax = 64; | |
151 | tuple.TupleOffset = 0; | |
152 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); | |
153 | CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); | |
154 | CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); | |
155 | link->conf.ConfigBase = parse.config.base; | |
156 | ||
157 | /* Configure card */ | |
158 | link->state |= DEV_CONFIG; | |
159 | ||
160 | tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; | |
161 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); | |
162 | while (1) { | |
163 | if (pcmcia_get_tuple_data(handle, &tuple) != 0 || | |
164 | pcmcia_parse_tuple(handle, &tuple, &parse) != 0) | |
165 | goto next_entry; | |
166 | link->conf.ConfigIndex = parse.cftable_entry.index; | |
167 | link->io.BasePort1 = parse.cftable_entry.io.win[0].base; | |
168 | i = pcmcia_request_io(handle, &link->io); | |
169 | if (i == CS_SUCCESS) break; | |
170 | next_entry: | |
171 | CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple)); | |
172 | } | |
173 | ||
174 | CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq)); | |
175 | CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf)); | |
176 | ||
177 | /* A bad hack... */ | |
178 | release_region(link->io.BasePort1, link->io.NumPorts1); | |
179 | ||
180 | /* Set configuration options for the fdomain driver */ | |
181 | sprintf(str, "%d,%d", link->io.BasePort1, link->irq.AssignedIRQ); | |
182 | fdomain_setup(str); | |
183 | ||
184 | host = __fdomain_16x0_detect(&fdomain_driver_template); | |
185 | if (!host) { | |
186 | printk(KERN_INFO "fdomain_cs: no SCSI devices found\n"); | |
187 | goto cs_failed; | |
188 | } | |
189 | ||
190 | scsi_add_host(host, NULL); /* XXX handle failure */ | |
191 | scsi_scan_host(host); | |
192 | ||
193 | sprintf(info->node.dev_name, "scsi%d", host->host_no); | |
194 | link->dev = &info->node; | |
195 | info->host = host; | |
196 | ||
197 | link->state &= ~DEV_CONFIG_PENDING; | |
198 | return; | |
199 | ||
200 | cs_failed: | |
201 | cs_error(link->handle, last_fn, last_ret); | |
202 | fdomain_release(link); | |
203 | return; | |
204 | ||
205 | } /* fdomain_config */ | |
206 | ||
207 | /*====================================================================*/ | |
208 | ||
209 | static void fdomain_release(dev_link_t *link) | |
210 | { | |
5f2a71fc | 211 | scsi_info_t *info = link->priv; |
1da177e4 | 212 | |
5f2a71fc | 213 | DEBUG(0, "fdomain_release(0x%p)\n", link); |
1da177e4 | 214 | |
5f2a71fc DB |
215 | scsi_remove_host(info->host); |
216 | pcmcia_disable_device(link->handle); | |
217 | scsi_unregister(info->host); | |
1da177e4 LT |
218 | } |
219 | ||
220 | /*====================================================================*/ | |
221 | ||
98e4c28b DB |
222 | static int fdomain_resume(struct pcmcia_device *dev) |
223 | { | |
224 | dev_link_t *link = dev_to_instance(dev); | |
225 | ||
8661bb5b | 226 | if (link->state & DEV_CONFIG) |
98e4c28b | 227 | fdomain_16x0_bus_reset(NULL); |
98e4c28b DB |
228 | |
229 | return 0; | |
230 | } | |
231 | ||
2d1fb376 DB |
232 | static struct pcmcia_device_id fdomain_ids[] = { |
233 | PCMCIA_DEVICE_PROD_ID12("IBM Corp.", "SCSI PCMCIA Card", 0xe3736c88, 0x859cad20), | |
234 | PCMCIA_DEVICE_PROD_ID1("SCSI PCMCIA Adapter Card", 0x8dacb57e), | |
235 | PCMCIA_DEVICE_PROD_ID12(" SIMPLE TECHNOLOGY Corporation", "SCSI PCMCIA Credit Card Controller", 0x182bdafe, 0xc80d106f), | |
236 | PCMCIA_DEVICE_NULL, | |
237 | }; | |
238 | MODULE_DEVICE_TABLE(pcmcia, fdomain_ids); | |
239 | ||
1da177e4 LT |
240 | static struct pcmcia_driver fdomain_cs_driver = { |
241 | .owner = THIS_MODULE, | |
242 | .drv = { | |
243 | .name = "fdomain_cs", | |
244 | }, | |
f8cfa618 | 245 | .probe = fdomain_attach, |
cc3b4866 | 246 | .remove = fdomain_detach, |
2d1fb376 | 247 | .id_table = fdomain_ids, |
98e4c28b | 248 | .resume = fdomain_resume, |
1da177e4 LT |
249 | }; |
250 | ||
251 | static int __init init_fdomain_cs(void) | |
252 | { | |
253 | return pcmcia_register_driver(&fdomain_cs_driver); | |
254 | } | |
255 | ||
256 | static void __exit exit_fdomain_cs(void) | |
257 | { | |
258 | pcmcia_unregister_driver(&fdomain_cs_driver); | |
1da177e4 LT |
259 | } |
260 | ||
261 | module_init(init_fdomain_cs); | |
262 | module_exit(exit_fdomain_cs); |