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1da177e4 LT |
1 | /*====================================================================== |
2 | ||
3 | A Sedlbauer PCMCIA client driver | |
4 | ||
5 | This driver is for the Sedlbauer Speed Star and Speed Star II, | |
6 | which are ISDN PCMCIA Cards. | |
7 | ||
8 | The contents of this file are subject to the Mozilla Public | |
9 | License Version 1.1 (the "License"); you may not use this file | |
10 | except in compliance with the License. You may obtain a copy of | |
11 | the License at http://www.mozilla.org/MPL/ | |
12 | ||
13 | Software distributed under the License is distributed on an "AS | |
14 | IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or | |
15 | implied. See the License for the specific language governing | |
16 | rights and limitations under the License. | |
17 | ||
18 | The initial developer of the original code is David A. Hinds | |
19 | <dahinds@users.sourceforge.net>. Portions created by David A. Hinds | |
20 | are Copyright (C) 1999 David A. Hinds. All Rights Reserved. | |
21 | ||
22 | Modifications from dummy_cs.c are Copyright (C) 1999-2001 Marcus Niemann | |
23 | <maniemann@users.sourceforge.net>. All Rights Reserved. | |
24 | ||
25 | Alternatively, the contents of this file may be used under the | |
26 | terms of the GNU General Public License version 2 (the "GPL"), in | |
27 | which case the provisions of the GPL are applicable instead of the | |
28 | above. If you wish to allow the use of your version of this file | |
29 | only under the terms of the GPL and not to allow others to use | |
30 | your version of this file under the MPL, indicate your decision | |
31 | by deleting the provisions above and replace them with the notice | |
32 | and other provisions required by the GPL. If you do not delete | |
33 | the provisions above, a recipient may use your version of this | |
34 | file under either the MPL or the GPL. | |
35 | ||
36 | ======================================================================*/ | |
37 | ||
38 | #include <linux/kernel.h> | |
39 | #include <linux/module.h> | |
40 | #include <linux/init.h> | |
1da177e4 LT |
41 | #include <linux/ptrace.h> |
42 | #include <linux/slab.h> | |
43 | #include <linux/string.h> | |
44 | #include <linux/timer.h> | |
45 | #include <linux/ioport.h> | |
46 | #include <asm/io.h> | |
47 | #include <asm/system.h> | |
48 | ||
1da177e4 LT |
49 | #include <pcmcia/cistpl.h> |
50 | #include <pcmcia/cisreg.h> | |
51 | #include <pcmcia/ds.h> | |
52 | #include "hisax_cfg.h" | |
53 | ||
54 | MODULE_DESCRIPTION("ISDN4Linux: PCMCIA client driver for Sedlbauer cards"); | |
55 | MODULE_AUTHOR("Marcus Niemann"); | |
56 | MODULE_LICENSE("Dual MPL/GPL"); | |
57 | ||
1da177e4 LT |
58 | |
59 | /*====================================================================*/ | |
60 | ||
61 | /* Parameters that can be set with 'insmod' */ | |
62 | ||
63 | static int protocol = 2; /* EURO-ISDN Default */ | |
64 | module_param(protocol, int, 0); | |
65 | ||
66 | /*====================================================================*/ | |
67 | ||
68 | /* | |
69 | The event() function is this driver's Card Services event handler. | |
70 | It will be called by Card Services when an appropriate card status | |
71 | event is received. The config() and release() entry points are | |
72 | used to configure or release a socket, in response to card | |
73 | insertion and ejection events. They are invoked from the sedlbauer | |
74 | event handler. | |
75 | */ | |
76 | ||
93b39a0d | 77 | static int sedlbauer_config(struct pcmcia_device *link) __devinit ; |
fba395ee | 78 | static void sedlbauer_release(struct pcmcia_device *link); |
1da177e4 LT |
79 | |
80 | /* | |
81 | The attach() and detach() entry points are used to create and destroy | |
82 | "instances" of the driver, where each instance represents everything | |
83 | needed to manage one actual PCMCIA card. | |
84 | */ | |
85 | ||
93b39a0d | 86 | static void sedlbauer_detach(struct pcmcia_device *p_dev) __devexit; |
1da177e4 | 87 | |
1da177e4 | 88 | typedef struct local_info_t { |
fd238232 | 89 | struct pcmcia_device *p_dev; |
1da177e4 LT |
90 | int stop; |
91 | int cardnr; | |
92 | } local_info_t; | |
93 | ||
94 | /*====================================================================== | |
95 | ||
96 | sedlbauer_attach() creates an "instance" of the driver, allocating | |
97 | local data structures for one device. The device is registered | |
98 | with Card Services. | |
99 | ||
100 | The dev_link structure is initialized, but we don't actually | |
101 | configure the card at this point -- we wait until we receive a | |
102 | card insertion event. | |
103 | ||
104 | ======================================================================*/ | |
105 | ||
93b39a0d | 106 | static int __devinit sedlbauer_probe(struct pcmcia_device *link) |
1da177e4 LT |
107 | { |
108 | local_info_t *local; | |
fba395ee | 109 | |
e773cfe1 | 110 | dev_dbg(&link->dev, "sedlbauer_attach()\n"); |
1da177e4 LT |
111 | |
112 | /* Allocate space for private device-specific data */ | |
41f96935 | 113 | local = kzalloc(sizeof(local_info_t), GFP_KERNEL); |
f8cfa618 | 114 | if (!local) return -ENOMEM; |
1da177e4 | 115 | local->cardnr = -1; |
fd238232 | 116 | |
fba395ee | 117 | local->p_dev = link; |
fd238232 DB |
118 | link->priv = local; |
119 | ||
1da177e4 LT |
120 | /* |
121 | General socket configuration defaults can go here. In this | |
122 | client, we assume very little, and rely on the CIS for almost | |
123 | everything. In most clients, many details (i.e., number, sizes, | |
124 | and attributes of IO windows) are fixed by the nature of the | |
125 | device, and can be hard-wired here. | |
126 | */ | |
127 | ||
128 | /* from old sedl_cs | |
129 | */ | |
130 | /* The io structure describes IO port mapping */ | |
1da177e4 | 131 | |
15b99ac1 | 132 | return sedlbauer_config(link); |
1da177e4 LT |
133 | } /* sedlbauer_attach */ |
134 | ||
135 | /*====================================================================== | |
136 | ||
137 | This deletes a driver "instance". The device is de-registered | |
138 | with Card Services. If it has been released, all local data | |
139 | structures are freed. Otherwise, the structures will be freed | |
140 | when the device is released. | |
141 | ||
142 | ======================================================================*/ | |
143 | ||
93b39a0d | 144 | static void __devexit sedlbauer_detach(struct pcmcia_device *link) |
1da177e4 | 145 | { |
e773cfe1 | 146 | dev_dbg(&link->dev, "sedlbauer_detach(0x%p)\n", link); |
1da177e4 | 147 | |
e2d40963 DB |
148 | ((local_info_t *)link->priv)->stop = 1; |
149 | sedlbauer_release(link); | |
1da177e4 | 150 | |
e2d40963 DB |
151 | /* This points to the parent local_info_t struct */ |
152 | kfree(link->priv); | |
1da177e4 LT |
153 | } /* sedlbauer_detach */ |
154 | ||
155 | /*====================================================================== | |
156 | ||
157 | sedlbauer_config() is scheduled to run after a CARD_INSERTION event | |
158 | is received, to configure the PCMCIA socket, and to make the | |
159 | device available to the system. | |
160 | ||
161 | ======================================================================*/ | |
00990e7c | 162 | static int sedlbauer_config_check(struct pcmcia_device *p_dev, void *priv_data) |
1da177e4 | 163 | { |
00990e7c DB |
164 | if (p_dev->config_index == 0) |
165 | return -EINVAL; | |
166 | ||
167 | p_dev->io_lines = 3; | |
168 | return pcmcia_request_io(p_dev); | |
5fcd4da0 DB |
169 | } |
170 | ||
171 | ||
172 | ||
93b39a0d | 173 | static int __devinit sedlbauer_config(struct pcmcia_device *link) |
5fcd4da0 | 174 | { |
e773cfe1 | 175 | int ret; |
5fcd4da0 DB |
176 | IsdnCard_t icard; |
177 | ||
e773cfe1 | 178 | dev_dbg(&link->dev, "sedlbauer_config(0x%p)\n", link); |
5fcd4da0 | 179 | |
440eed43 | 180 | link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_CHECK_VCC | |
00990e7c | 181 | CONF_AUTO_SET_VPP | CONF_AUTO_AUDIO | CONF_AUTO_SET_IO; |
440eed43 | 182 | |
5fcd4da0 DB |
183 | /* |
184 | In this loop, we scan the CIS for configuration table entries, | |
185 | each of which describes a valid card configuration, including | |
186 | voltage, IO window, memory window, and interrupt settings. | |
187 | ||
188 | We make no assumptions about the card to be configured: we use | |
189 | just the information available in the CIS. In an ideal world, | |
190 | this would work for any PCMCIA card, but it requires a complete | |
191 | and accurate CIS. In practice, a driver usually "knows" most of | |
192 | these things without consulting the CIS, and most client drivers | |
193 | will only use the CIS to fill in implementation-defined details. | |
194 | */ | |
0f52e86d | 195 | ret = pcmcia_loop_config(link, sedlbauer_config_check, NULL); |
e773cfe1 | 196 | if (ret) |
5fcd4da0 | 197 | goto failed; |
50db3fdb | 198 | |
1da177e4 LT |
199 | /* |
200 | This actually configures the PCMCIA socket -- setting up | |
201 | the I/O windows and the interrupt mapping, and putting the | |
202 | card and host interface into "Memory and IO" mode. | |
203 | */ | |
1ac71e5a | 204 | ret = pcmcia_enable_device(link); |
e773cfe1 DB |
205 | if (ret) |
206 | goto failed; | |
1da177e4 | 207 | |
eb14120f | 208 | icard.para[0] = link->irq; |
9a017a91 | 209 | icard.para[1] = link->resource[0]->start; |
1da177e4 LT |
210 | icard.protocol = protocol; |
211 | icard.typ = ISDN_CTYPE_SEDLBAUER_PCMCIA; | |
212 | ||
e773cfe1 DB |
213 | ret = hisax_init_pcmcia(link, |
214 | &(((local_info_t *)link->priv)->stop), &icard); | |
215 | if (ret < 0) { | |
9a017a91 DB |
216 | printk(KERN_ERR "sedlbauer_cs: failed to initialize SEDLBAUER PCMCIA %d with %pR\n", |
217 | ret, link->resource[0]); | |
1da177e4 | 218 | sedlbauer_release(link); |
15b99ac1 | 219 | return -ENODEV; |
1da177e4 | 220 | } else |
e773cfe1 | 221 | ((local_info_t *)link->priv)->cardnr = ret; |
1da177e4 | 222 | |
15b99ac1 | 223 | return 0; |
1da177e4 | 224 | |
5fcd4da0 | 225 | failed: |
1da177e4 | 226 | sedlbauer_release(link); |
15b99ac1 | 227 | return -ENODEV; |
1da177e4 LT |
228 | |
229 | } /* sedlbauer_config */ | |
230 | ||
231 | /*====================================================================== | |
232 | ||
233 | After a card is removed, sedlbauer_release() will unregister the | |
234 | device, and release the PCMCIA configuration. If the device is | |
235 | still open, this will be postponed until it is closed. | |
236 | ||
237 | ======================================================================*/ | |
238 | ||
fba395ee | 239 | static void sedlbauer_release(struct pcmcia_device *link) |
1da177e4 LT |
240 | { |
241 | local_info_t *local = link->priv; | |
e773cfe1 | 242 | dev_dbg(&link->dev, "sedlbauer_release(0x%p)\n", link); |
1da177e4 LT |
243 | |
244 | if (local) { | |
245 | if (local->cardnr >= 0) { | |
246 | /* no unregister function with hisax */ | |
247 | HiSax_closecard(local->cardnr); | |
248 | } | |
249 | } | |
1da177e4 | 250 | |
fba395ee | 251 | pcmcia_disable_device(link); |
1da177e4 LT |
252 | } /* sedlbauer_release */ |
253 | ||
fba395ee | 254 | static int sedlbauer_suspend(struct pcmcia_device *link) |
98e4c28b | 255 | { |
98e4c28b DB |
256 | local_info_t *dev = link->priv; |
257 | ||
98e4c28b | 258 | dev->stop = 1; |
98e4c28b DB |
259 | |
260 | return 0; | |
261 | } | |
262 | ||
fba395ee | 263 | static int sedlbauer_resume(struct pcmcia_device *link) |
98e4c28b | 264 | { |
98e4c28b DB |
265 | local_info_t *dev = link->priv; |
266 | ||
98e4c28b DB |
267 | dev->stop = 0; |
268 | ||
269 | return 0; | |
270 | } | |
271 | ||
1da177e4 | 272 | |
70799734 | 273 | static struct pcmcia_device_id sedlbauer_ids[] = { |
84d370b9 | 274 | PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "speed star II", "V 3.1", 0x81fb79f5, 0xf3612e1d, 0x6b95c78a), |
70799734 DB |
275 | PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", "4D67", 0x81fb79f5, 0xe4e9bc12, 0x397b7e90), |
276 | PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", "4D98", 0x81fb79f5, 0xe4e9bc12, 0x2e5c7fce), | |
277 | PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", " (C) 93-94 VK", 0x81fb79f5, 0xe4e9bc12, 0x8db143fe), | |
278 | PCMCIA_DEVICE_PROD_ID123("SEDLBAUER", "ISDN-Adapter", " (c) 93-95 VK", 0x81fb79f5, 0xe4e9bc12, 0xb391ab4c), | |
279 | PCMCIA_DEVICE_PROD_ID12("HST High Soft Tech GmbH", "Saphir II B", 0xd79e0b84, 0x21d083ae), | |
280 | /* PCMCIA_DEVICE_PROD_ID1234("SEDLBAUER", 0x81fb79f5), */ /* too generic*/ | |
281 | PCMCIA_DEVICE_NULL | |
282 | }; | |
283 | MODULE_DEVICE_TABLE(pcmcia, sedlbauer_ids); | |
284 | ||
1da177e4 LT |
285 | static struct pcmcia_driver sedlbauer_driver = { |
286 | .owner = THIS_MODULE, | |
287 | .drv = { | |
288 | .name = "sedlbauer_cs", | |
289 | }, | |
15b99ac1 | 290 | .probe = sedlbauer_probe, |
93b39a0d | 291 | .remove = __devexit_p(sedlbauer_detach), |
70799734 | 292 | .id_table = sedlbauer_ids, |
98e4c28b DB |
293 | .suspend = sedlbauer_suspend, |
294 | .resume = sedlbauer_resume, | |
1da177e4 LT |
295 | }; |
296 | ||
297 | static int __init init_sedlbauer_cs(void) | |
298 | { | |
299 | return pcmcia_register_driver(&sedlbauer_driver); | |
300 | } | |
301 | ||
302 | static void __exit exit_sedlbauer_cs(void) | |
303 | { | |
304 | pcmcia_unregister_driver(&sedlbauer_driver); | |
1da177e4 LT |
305 | } |
306 | ||
307 | module_init(init_sedlbauer_cs); | |
308 | module_exit(exit_sedlbauer_cs); |