Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * socket_sysfs.c -- most of socket-related sysfs output | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License version 2 as | |
6 | * published by the Free Software Foundation. | |
7 | * | |
8 | * (C) 2003 - 2004 Dominik Brodowski | |
9 | */ | |
10 | ||
11 | #include <linux/module.h> | |
12 | #include <linux/moduleparam.h> | |
13 | #include <linux/init.h> | |
14 | #include <linux/kernel.h> | |
1da177e4 LT |
15 | #include <linux/string.h> |
16 | #include <linux/major.h> | |
17 | #include <linux/errno.h> | |
18 | #include <linux/slab.h> | |
19 | #include <linux/mm.h> | |
20 | #include <linux/interrupt.h> | |
21 | #include <linux/timer.h> | |
22 | #include <linux/ioport.h> | |
23 | #include <linux/delay.h> | |
24 | #include <linux/pm.h> | |
1da177e4 | 25 | #include <linux/device.h> |
7fe908dd | 26 | #include <linux/mutex.h> |
1da177e4 LT |
27 | #include <asm/system.h> |
28 | #include <asm/irq.h> | |
29 | ||
30 | #define IN_CARD_SERVICES | |
1da177e4 LT |
31 | #include <pcmcia/cs_types.h> |
32 | #include <pcmcia/ss.h> | |
33 | #include <pcmcia/cs.h> | |
34 | #include <pcmcia/bulkmem.h> | |
35 | #include <pcmcia/cistpl.h> | |
36 | #include <pcmcia/cisreg.h> | |
37 | #include <pcmcia/ds.h> | |
38 | #include "cs_internal.h" | |
39 | ||
40 | #define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev) | |
41 | ||
87373318 GKH |
42 | static ssize_t pccard_show_type(struct device *dev, struct device_attribute *attr, |
43 | char *buf) | |
1da177e4 | 44 | { |
1da177e4 LT |
45 | struct pcmcia_socket *s = to_socket(dev); |
46 | ||
47 | if (!(s->state & SOCKET_PRESENT)) | |
48 | return -ENODEV; | |
002dbb2d | 49 | if (s->state & SOCKET_CARDBUS) |
1da177e4 | 50 | return sprintf(buf, "32-bit\n"); |
002dbb2d | 51 | return sprintf(buf, "16-bit\n"); |
1da177e4 | 52 | } |
87373318 | 53 | static DEVICE_ATTR(card_type, 0444, pccard_show_type, NULL); |
1da177e4 | 54 | |
87373318 GKH |
55 | static ssize_t pccard_show_voltage(struct device *dev, struct device_attribute *attr, |
56 | char *buf) | |
1da177e4 | 57 | { |
1da177e4 LT |
58 | struct pcmcia_socket *s = to_socket(dev); |
59 | ||
60 | if (!(s->state & SOCKET_PRESENT)) | |
61 | return -ENODEV; | |
002dbb2d DB |
62 | if (s->socket.Vcc) |
63 | return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, | |
64 | s->socket.Vcc % 10); | |
65 | return sprintf(buf, "X.XV\n"); | |
1da177e4 | 66 | } |
87373318 | 67 | static DEVICE_ATTR(card_voltage, 0444, pccard_show_voltage, NULL); |
1da177e4 | 68 | |
87373318 GKH |
69 | static ssize_t pccard_show_vpp(struct device *dev, struct device_attribute *attr, |
70 | char *buf) | |
1da177e4 LT |
71 | { |
72 | struct pcmcia_socket *s = to_socket(dev); | |
73 | if (!(s->state & SOCKET_PRESENT)) | |
74 | return -ENODEV; | |
75 | return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10); | |
76 | } | |
87373318 | 77 | static DEVICE_ATTR(card_vpp, 0444, pccard_show_vpp, NULL); |
1da177e4 | 78 | |
87373318 GKH |
79 | static ssize_t pccard_show_vcc(struct device *dev, struct device_attribute *attr, |
80 | char *buf) | |
1da177e4 LT |
81 | { |
82 | struct pcmcia_socket *s = to_socket(dev); | |
83 | if (!(s->state & SOCKET_PRESENT)) | |
84 | return -ENODEV; | |
85 | return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10); | |
86 | } | |
87373318 | 87 | static DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL); |
1da177e4 LT |
88 | |
89 | ||
87373318 GKH |
90 | static ssize_t pccard_store_insert(struct device *dev, struct device_attribute *attr, |
91 | const char *buf, size_t count) | |
1da177e4 LT |
92 | { |
93 | ssize_t ret; | |
94 | struct pcmcia_socket *s = to_socket(dev); | |
95 | ||
96 | if (!count) | |
97 | return -EINVAL; | |
98 | ||
99 | ret = pcmcia_insert_card(s); | |
100 | ||
101 | return ret ? ret : count; | |
102 | } | |
87373318 | 103 | static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert); |
1da177e4 | 104 | |
db1019ca | 105 | |
87373318 GKH |
106 | static ssize_t pccard_show_card_pm_state(struct device *dev, |
107 | struct device_attribute *attr, | |
108 | char *buf) | |
db1019ca DB |
109 | { |
110 | struct pcmcia_socket *s = to_socket(dev); | |
111 | return sprintf(buf, "%s\n", s->state & SOCKET_SUSPEND ? "off" : "on"); | |
112 | } | |
113 | ||
87373318 GKH |
114 | static ssize_t pccard_store_card_pm_state(struct device *dev, |
115 | struct device_attribute *attr, | |
116 | const char *buf, size_t count) | |
db1019ca DB |
117 | { |
118 | ssize_t ret = -EINVAL; | |
119 | struct pcmcia_socket *s = to_socket(dev); | |
120 | ||
121 | if (!count) | |
122 | return -EINVAL; | |
123 | ||
124 | if (!(s->state & SOCKET_SUSPEND) && !strncmp(buf, "off", 3)) | |
125 | ret = pcmcia_suspend_card(s); | |
126 | else if ((s->state & SOCKET_SUSPEND) && !strncmp(buf, "on", 2)) | |
127 | ret = pcmcia_resume_card(s); | |
128 | ||
129 | return ret ? -ENODEV : count; | |
130 | } | |
87373318 | 131 | static DEVICE_ATTR(card_pm_state, 0644, pccard_show_card_pm_state, pccard_store_card_pm_state); |
db1019ca | 132 | |
87373318 GKH |
133 | static ssize_t pccard_store_eject(struct device *dev, |
134 | struct device_attribute *attr, | |
135 | const char *buf, size_t count) | |
1da177e4 LT |
136 | { |
137 | ssize_t ret; | |
138 | struct pcmcia_socket *s = to_socket(dev); | |
139 | ||
140 | if (!count) | |
141 | return -EINVAL; | |
142 | ||
143 | ret = pcmcia_eject_card(s); | |
144 | ||
145 | return ret ? ret : count; | |
146 | } | |
87373318 | 147 | static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject); |
1da177e4 LT |
148 | |
149 | ||
87373318 GKH |
150 | static ssize_t pccard_show_irq_mask(struct device *dev, |
151 | struct device_attribute *attr, | |
152 | char *buf) | |
1da177e4 LT |
153 | { |
154 | struct pcmcia_socket *s = to_socket(dev); | |
155 | return sprintf(buf, "0x%04x\n", s->irq_mask); | |
156 | } | |
157 | ||
87373318 GKH |
158 | static ssize_t pccard_store_irq_mask(struct device *dev, |
159 | struct device_attribute *attr, | |
160 | const char *buf, size_t count) | |
1da177e4 LT |
161 | { |
162 | ssize_t ret; | |
163 | struct pcmcia_socket *s = to_socket(dev); | |
164 | u32 mask; | |
165 | ||
166 | if (!count) | |
167 | return -EINVAL; | |
168 | ||
169 | ret = sscanf (buf, "0x%x\n", &mask); | |
170 | ||
171 | if (ret == 1) { | |
172 | s->irq_mask &= mask; | |
173 | ret = 0; | |
174 | } | |
175 | ||
176 | return ret ? ret : count; | |
177 | } | |
87373318 | 178 | static DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask); |
1da177e4 LT |
179 | |
180 | ||
87373318 GKH |
181 | static ssize_t pccard_show_resource(struct device *dev, |
182 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
183 | { |
184 | struct pcmcia_socket *s = to_socket(dev); | |
185 | return sprintf(buf, "%s\n", s->resource_setup_done ? "yes" : "no"); | |
186 | } | |
187 | ||
87373318 GKH |
188 | static ssize_t pccard_store_resource(struct device *dev, |
189 | struct device_attribute *attr, | |
190 | const char *buf, size_t count) | |
1da177e4 LT |
191 | { |
192 | unsigned long flags; | |
193 | struct pcmcia_socket *s = to_socket(dev); | |
194 | ||
195 | if (!count) | |
196 | return -EINVAL; | |
197 | ||
198 | spin_lock_irqsave(&s->lock, flags); | |
e2f0b534 | 199 | if (!s->resource_setup_done) |
1da177e4 | 200 | s->resource_setup_done = 1; |
e2f0b534 | 201 | spin_unlock_irqrestore(&s->lock, flags); |
1da177e4 | 202 | |
7fe908dd | 203 | mutex_lock(&s->skt_mutex); |
e2f0b534 DB |
204 | if ((s->callback) && |
205 | (s->state & SOCKET_PRESENT) && | |
206 | !(s->state & SOCKET_CARDBUS)) { | |
207 | if (try_module_get(s->callback->owner)) { | |
4ae1cbf1 | 208 | s->callback->requery(s, 0); |
e2f0b534 | 209 | module_put(s->callback->owner); |
1da177e4 | 210 | } |
1da177e4 | 211 | } |
7fe908dd | 212 | mutex_unlock(&s->skt_mutex); |
1da177e4 LT |
213 | |
214 | return count; | |
215 | } | |
87373318 | 216 | static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource); |
1da177e4 LT |
217 | |
218 | ||
7f299bcc DB |
219 | static ssize_t pccard_extract_cis(struct pcmcia_socket *s, char *buf, loff_t off, size_t count) |
220 | { | |
221 | tuple_t tuple; | |
222 | int status, i; | |
223 | loff_t pointer = 0; | |
224 | ssize_t ret = 0; | |
225 | u_char *tuplebuffer; | |
226 | u_char *tempbuffer; | |
227 | ||
228 | tuplebuffer = kmalloc(sizeof(u_char) * 256, GFP_KERNEL); | |
229 | if (!tuplebuffer) | |
230 | return -ENOMEM; | |
231 | ||
232 | tempbuffer = kmalloc(sizeof(u_char) * 258, GFP_KERNEL); | |
233 | if (!tempbuffer) { | |
234 | ret = -ENOMEM; | |
235 | goto free_tuple; | |
236 | } | |
237 | ||
238 | memset(&tuple, 0, sizeof(tuple_t)); | |
239 | ||
240 | tuple.Attributes = TUPLE_RETURN_LINK | TUPLE_RETURN_COMMON; | |
241 | tuple.DesiredTuple = RETURN_FIRST_TUPLE; | |
242 | tuple.TupleOffset = 0; | |
243 | ||
244 | status = pccard_get_first_tuple(s, BIND_FN_ALL, &tuple); | |
245 | while (!status) { | |
246 | tuple.TupleData = tuplebuffer; | |
247 | tuple.TupleDataMax = 255; | |
248 | memset(tuplebuffer, 0, sizeof(u_char) * 255); | |
249 | ||
250 | status = pccard_get_tuple_data(s, &tuple); | |
251 | if (status) | |
252 | break; | |
253 | ||
254 | if (off < (pointer + 2 + tuple.TupleDataLen)) { | |
255 | tempbuffer[0] = tuple.TupleCode & 0xff; | |
256 | tempbuffer[1] = tuple.TupleLink & 0xff; | |
257 | for (i = 0; i < tuple.TupleDataLen; i++) | |
258 | tempbuffer[i + 2] = tuplebuffer[i] & 0xff; | |
259 | ||
260 | for (i = 0; i < (2 + tuple.TupleDataLen); i++) { | |
261 | if (((i + pointer) >= off) && | |
262 | (i + pointer) < (off + count)) { | |
263 | buf[ret] = tempbuffer[i]; | |
264 | ret++; | |
265 | } | |
266 | } | |
267 | } | |
268 | ||
269 | pointer += 2 + tuple.TupleDataLen; | |
270 | ||
271 | if (pointer >= (off + count)) | |
272 | break; | |
273 | ||
274 | if (tuple.TupleCode == CISTPL_END) | |
275 | break; | |
276 | status = pccard_get_next_tuple(s, BIND_FN_ALL, &tuple); | |
277 | } | |
278 | ||
279 | kfree(tempbuffer); | |
280 | free_tuple: | |
281 | kfree(tuplebuffer); | |
282 | ||
283 | return (ret); | |
284 | } | |
285 | ||
91a69029 ZR |
286 | static ssize_t pccard_show_cis(struct kobject *kobj, |
287 | struct bin_attribute *bin_attr, | |
288 | char *buf, loff_t off, size_t count) | |
7f299bcc DB |
289 | { |
290 | unsigned int size = 0x200; | |
291 | ||
292 | if (off >= size) | |
293 | count = 0; | |
294 | else { | |
295 | struct pcmcia_socket *s; | |
296 | cisinfo_t cisinfo; | |
297 | ||
298 | if (off + count > size) | |
299 | count = size - off; | |
300 | ||
87373318 | 301 | s = to_socket(container_of(kobj, struct device, kobj)); |
7f299bcc DB |
302 | |
303 | if (!(s->state & SOCKET_PRESENT)) | |
304 | return -ENODEV; | |
305 | if (pccard_validate_cis(s, BIND_FN_ALL, &cisinfo)) | |
306 | return -EIO; | |
307 | if (!cisinfo.Chains) | |
308 | return -ENODATA; | |
309 | ||
310 | count = pccard_extract_cis(s, buf, off, count); | |
311 | } | |
312 | ||
313 | return (count); | |
314 | } | |
315 | ||
91a69029 ZR |
316 | static ssize_t pccard_store_cis(struct kobject *kobj, |
317 | struct bin_attribute *bin_attr, | |
318 | char *buf, loff_t off, size_t count) | |
ff1fa9ef | 319 | { |
87373318 | 320 | struct pcmcia_socket *s = to_socket(container_of(kobj, struct device, kobj)); |
ff1fa9ef | 321 | cisdump_t *cis; |
d834c165 | 322 | int error; |
ff1fa9ef DB |
323 | |
324 | if (off) | |
325 | return -EINVAL; | |
326 | ||
327 | if (count >= 0x200) | |
328 | return -EINVAL; | |
329 | ||
330 | if (!(s->state & SOCKET_PRESENT)) | |
331 | return -ENODEV; | |
332 | ||
8084b372 | 333 | cis = kzalloc(sizeof(cisdump_t), GFP_KERNEL); |
ff1fa9ef DB |
334 | if (!cis) |
335 | return -ENOMEM; | |
ff1fa9ef DB |
336 | |
337 | cis->Length = count + 1; | |
338 | memcpy(cis->Data, buf, count); | |
339 | ||
d834c165 | 340 | error = pcmcia_replace_cis(s, cis); |
ff1fa9ef | 341 | kfree(cis); |
d834c165 LT |
342 | if (error) |
343 | return -EIO; | |
ff1fa9ef | 344 | |
d834c165 LT |
345 | mutex_lock(&s->skt_mutex); |
346 | if ((s->callback) && (s->state & SOCKET_PRESENT) && | |
347 | !(s->state & SOCKET_CARDBUS)) { | |
348 | if (try_module_get(s->callback->owner)) { | |
4ae1cbf1 | 349 | s->callback->requery(s, 1); |
d834c165 | 350 | module_put(s->callback->owner); |
ff1fa9ef | 351 | } |
ff1fa9ef | 352 | } |
d834c165 | 353 | mutex_unlock(&s->skt_mutex); |
ff1fa9ef | 354 | |
d834c165 | 355 | return count; |
ff1fa9ef DB |
356 | } |
357 | ||
7f299bcc | 358 | |
87373318 GKH |
359 | static struct device_attribute *pccard_socket_attributes[] = { |
360 | &dev_attr_card_type, | |
361 | &dev_attr_card_voltage, | |
362 | &dev_attr_card_vpp, | |
363 | &dev_attr_card_vcc, | |
364 | &dev_attr_card_insert, | |
365 | &dev_attr_card_pm_state, | |
366 | &dev_attr_card_eject, | |
367 | &dev_attr_card_irq_mask, | |
368 | &dev_attr_available_resources_setup_done, | |
1da177e4 LT |
369 | NULL, |
370 | }; | |
371 | ||
7f299bcc | 372 | static struct bin_attribute pccard_cis_attr = { |
7b595756 | 373 | .attr = { .name = "cis", .mode = S_IRUGO | S_IWUSR }, |
7f299bcc DB |
374 | .size = 0x200, |
375 | .read = pccard_show_cis, | |
ff1fa9ef | 376 | .write = pccard_store_cis, |
7f299bcc DB |
377 | }; |
378 | ||
87373318 | 379 | static int __devinit pccard_sysfs_add_socket(struct device *dev, |
d8539d81 | 380 | struct class_interface *class_intf) |
1da177e4 | 381 | { |
87373318 | 382 | struct device_attribute **attr; |
1da177e4 LT |
383 | int ret = 0; |
384 | ||
385 | for (attr = pccard_socket_attributes; *attr; attr++) { | |
87373318 | 386 | ret = device_create_file(dev, *attr); |
1da177e4 LT |
387 | if (ret) |
388 | break; | |
389 | } | |
7f299bcc | 390 | if (!ret) |
87373318 | 391 | ret = sysfs_create_bin_file(&dev->kobj, &pccard_cis_attr); |
1da177e4 LT |
392 | |
393 | return ret; | |
394 | } | |
395 | ||
87373318 | 396 | static void __devexit pccard_sysfs_remove_socket(struct device *dev, |
d8539d81 | 397 | struct class_interface *class_intf) |
1da177e4 | 398 | { |
87373318 | 399 | struct device_attribute **attr; |
1da177e4 | 400 | |
87373318 | 401 | sysfs_remove_bin_file(&dev->kobj, &pccard_cis_attr); |
1da177e4 | 402 | for (attr = pccard_socket_attributes; *attr; attr++) |
87373318 | 403 | device_remove_file(dev, *attr); |
1da177e4 LT |
404 | } |
405 | ||
406 | struct class_interface pccard_sysfs_interface = { | |
407 | .class = &pcmcia_socket_class, | |
87373318 GKH |
408 | .add_dev = &pccard_sysfs_add_socket, |
409 | .remove_dev = __devexit_p(&pccard_sysfs_remove_socket), | |
1da177e4 | 410 | }; |