2 * socket_sysfs.c -- most of socket-related sysfs output
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.
8 * (C) 2003 - 2004 Dominik Brodowski
11 #include <linux/module.h>
12 #include <linux/moduleparam.h>
13 #include <linux/init.h>
14 #include <linux/kernel.h>
15 #include <linux/config.h>
16 #include <linux/string.h>
17 #include <linux/major.h>
18 #include <linux/errno.h>
19 #include <linux/slab.h>
21 #include <linux/interrupt.h>
22 #include <linux/timer.h>
23 #include <linux/ioport.h>
24 #include <linux/delay.h>
26 #include <linux/pci.h>
27 #include <linux/device.h>
28 #include <asm/system.h>
31 #define IN_CARD_SERVICES
32 #include <pcmcia/version.h>
33 #include <pcmcia/cs_types.h>
34 #include <pcmcia/ss.h>
35 #include <pcmcia/cs.h>
36 #include <pcmcia/bulkmem.h>
37 #include <pcmcia/cistpl.h>
38 #include <pcmcia/cisreg.h>
39 #include <pcmcia/ds.h>
40 #include "cs_internal.h"
42 #define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev)
44 static ssize_t pccard_show_type(struct class_device *dev, char *buf)
47 struct pcmcia_socket *s = to_socket(dev);
49 if (!(s->state & SOCKET_PRESENT))
51 s->ops->get_status(s, &val);
53 return sprintf(buf, "32-bit\n");
55 return sprintf(buf, "16-bit\n");
56 return sprintf(buf, "invalid\n");
58 static CLASS_DEVICE_ATTR(card_type, 0400, pccard_show_type, NULL);
60 static ssize_t pccard_show_voltage(struct class_device *dev, char *buf)
63 struct pcmcia_socket *s = to_socket(dev);
65 if (!(s->state & SOCKET_PRESENT))
67 s->ops->get_status(s, &val);
69 return sprintf(buf, "3.3V\n");
71 return sprintf(buf, "X.XV\n");
72 return sprintf(buf, "5.0V\n");
74 static CLASS_DEVICE_ATTR(card_voltage, 0400, pccard_show_voltage, NULL);
76 static ssize_t pccard_show_vpp(struct class_device *dev, char *buf)
78 struct pcmcia_socket *s = to_socket(dev);
79 if (!(s->state & SOCKET_PRESENT))
81 return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10);
83 static CLASS_DEVICE_ATTR(card_vpp, 0400, pccard_show_vpp, NULL);
85 static ssize_t pccard_show_vcc(struct class_device *dev, char *buf)
87 struct pcmcia_socket *s = to_socket(dev);
88 if (!(s->state & SOCKET_PRESENT))
90 return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10);
92 static CLASS_DEVICE_ATTR(card_vcc, 0400, pccard_show_vcc, NULL);
95 static ssize_t pccard_store_insert(struct class_device *dev, const char *buf, size_t count)
98 struct pcmcia_socket *s = to_socket(dev);
103 ret = pcmcia_insert_card(s);
105 return ret ? ret : count;
107 static CLASS_DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert);
109 static ssize_t pccard_store_eject(struct class_device *dev, const char *buf, size_t count)
112 struct pcmcia_socket *s = to_socket(dev);
117 ret = pcmcia_eject_card(s);
119 return ret ? ret : count;
121 static CLASS_DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject);
124 static ssize_t pccard_show_irq_mask(struct class_device *dev, char *buf)
126 struct pcmcia_socket *s = to_socket(dev);
127 return sprintf(buf, "0x%04x\n", s->irq_mask);
130 static ssize_t pccard_store_irq_mask(struct class_device *dev, const char *buf, size_t count)
133 struct pcmcia_socket *s = to_socket(dev);
139 ret = sscanf (buf, "0x%x\n", &mask);
146 return ret ? ret : count;
148 static CLASS_DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask);
151 static ssize_t pccard_show_resource(struct class_device *dev, char *buf)
153 struct pcmcia_socket *s = to_socket(dev);
154 return sprintf(buf, "%s\n", s->resource_setup_done ? "yes" : "no");
157 static ssize_t pccard_store_resource(struct class_device *dev, const char *buf, size_t count)
160 struct pcmcia_socket *s = to_socket(dev);
165 spin_lock_irqsave(&s->lock, flags);
166 if (!s->resource_setup_done)
167 s->resource_setup_done = 1;
168 spin_unlock_irqrestore(&s->lock, flags);
172 (s->state & SOCKET_PRESENT) &&
173 !(s->state & SOCKET_CARDBUS)) {
174 if (try_module_get(s->callback->owner)) {
175 s->callback->requery(s);
176 module_put(s->callback->owner);
183 static CLASS_DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource);
186 static ssize_t pccard_extract_cis(struct pcmcia_socket *s, char *buf, loff_t off, size_t count)
195 tuplebuffer = kmalloc(sizeof(u_char) * 256, GFP_KERNEL);
199 tempbuffer = kmalloc(sizeof(u_char) * 258, GFP_KERNEL);
205 memset(&tuple, 0, sizeof(tuple_t));
207 tuple.Attributes = TUPLE_RETURN_LINK | TUPLE_RETURN_COMMON;
208 tuple.DesiredTuple = RETURN_FIRST_TUPLE;
209 tuple.TupleOffset = 0;
211 status = pccard_get_first_tuple(s, BIND_FN_ALL, &tuple);
213 tuple.TupleData = tuplebuffer;
214 tuple.TupleDataMax = 255;
215 memset(tuplebuffer, 0, sizeof(u_char) * 255);
217 status = pccard_get_tuple_data(s, &tuple);
221 if (off < (pointer + 2 + tuple.TupleDataLen)) {
222 tempbuffer[0] = tuple.TupleCode & 0xff;
223 tempbuffer[1] = tuple.TupleLink & 0xff;
224 for (i = 0; i < tuple.TupleDataLen; i++)
225 tempbuffer[i + 2] = tuplebuffer[i] & 0xff;
227 for (i = 0; i < (2 + tuple.TupleDataLen); i++) {
228 if (((i + pointer) >= off) &&
229 (i + pointer) < (off + count)) {
230 buf[ret] = tempbuffer[i];
236 pointer += 2 + tuple.TupleDataLen;
238 if (pointer >= (off + count))
241 if (tuple.TupleCode == CISTPL_END)
243 status = pccard_get_next_tuple(s, BIND_FN_ALL, &tuple);
253 static ssize_t pccard_show_cis(struct kobject *kobj, char *buf, loff_t off, size_t count)
255 unsigned int size = 0x200;
260 struct pcmcia_socket *s;
263 if (off + count > size)
266 s = to_socket(container_of(kobj, struct class_device, kobj));
268 if (!(s->state & SOCKET_PRESENT))
270 if (pccard_validate_cis(s, BIND_FN_ALL, &cisinfo))
275 count = pccard_extract_cis(s, buf, off, count);
281 static ssize_t pccard_store_cis(struct kobject *kobj, char *buf, loff_t off, size_t count)
283 struct pcmcia_socket *s = to_socket(container_of(kobj, struct class_device, kobj));
293 if (!(s->state & SOCKET_PRESENT))
296 cis = kmalloc(sizeof(cisdump_t), GFP_KERNEL);
299 memset(cis, 0, sizeof(cisdump_t));
301 cis->Length = count + 1;
302 memcpy(cis->Data, buf, count);
304 if (pcmcia_replace_cis(s, cis))
311 if ((s->callback) && (s->state & SOCKET_PRESENT) &&
312 !(s->state & SOCKET_CARDBUS)) {
313 if (try_module_get(s->callback->owner)) {
314 s->callback->requery(s);
315 module_put(s->callback->owner);
326 static struct class_device_attribute *pccard_socket_attributes[] = {
327 &class_device_attr_card_type,
328 &class_device_attr_card_voltage,
329 &class_device_attr_card_vpp,
330 &class_device_attr_card_vcc,
331 &class_device_attr_card_insert,
332 &class_device_attr_card_eject,
333 &class_device_attr_card_irq_mask,
334 &class_device_attr_available_resources_setup_done,
338 static struct bin_attribute pccard_cis_attr = {
339 .attr = { .name = "cis", .mode = S_IRUGO | S_IWUSR, .owner = THIS_MODULE},
341 .read = pccard_show_cis,
342 .write = pccard_store_cis,
345 static int __devinit pccard_sysfs_add_socket(struct class_device *class_dev)
347 struct class_device_attribute **attr;
350 for (attr = pccard_socket_attributes; *attr; attr++) {
351 ret = class_device_create_file(class_dev, *attr);
356 ret = sysfs_create_bin_file(&class_dev->kobj, &pccard_cis_attr);
361 static void __devexit pccard_sysfs_remove_socket(struct class_device *class_dev)
363 struct class_device_attribute **attr;
365 sysfs_remove_bin_file(&class_dev->kobj, &pccard_cis_attr);
366 for (attr = pccard_socket_attributes; *attr; attr++)
367 class_device_remove_file(class_dev, *attr);
370 struct class_interface pccard_sysfs_interface = {
371 .class = &pcmcia_socket_class,
372 .add = &pccard_sysfs_add_socket,
373 .remove = __devexit_p(&pccard_sysfs_remove_socket),