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->resources_done(s);
176 module_put(s->callback->owner);
183 spin_unlock_irqrestore(&s->lock, flags);
187 static CLASS_DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource);
190 static struct class_device_attribute *pccard_socket_attributes[] = {
191 &class_device_attr_card_type,
192 &class_device_attr_card_voltage,
193 &class_device_attr_card_vpp,
194 &class_device_attr_card_vcc,
195 &class_device_attr_card_insert,
196 &class_device_attr_card_eject,
197 &class_device_attr_card_irq_mask,
198 &class_device_attr_available_resources_setup_done,
202 static int __devinit pccard_sysfs_add_socket(struct class_device *class_dev)
204 struct class_device_attribute **attr;
207 for (attr = pccard_socket_attributes; *attr; attr++) {
208 ret = class_device_create_file(class_dev, *attr);
216 static void __devexit pccard_sysfs_remove_socket(struct class_device *class_dev)
218 struct class_device_attribute **attr;
220 for (attr = pccard_socket_attributes; *attr; attr++)
221 class_device_remove_file(class_dev, *attr);
224 struct class_interface pccard_sysfs_interface = {
225 .class = &pcmcia_socket_class,
226 .add = &pccard_sysfs_add_socket,
227 .remove = __devexit_p(&pccard_sysfs_remove_socket),