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Commit | Line | Data |
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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> | |
1da177e4 LT |
18 | #include <linux/mm.h> |
19 | #include <linux/interrupt.h> | |
20 | #include <linux/timer.h> | |
21 | #include <linux/ioport.h> | |
22 | #include <linux/delay.h> | |
23 | #include <linux/pm.h> | |
1da177e4 | 24 | #include <linux/device.h> |
7fe908dd | 25 | #include <linux/mutex.h> |
1da177e4 LT |
26 | #include <asm/system.h> |
27 | #include <asm/irq.h> | |
28 | ||
1da177e4 LT |
29 | #include <pcmcia/ss.h> |
30 | #include <pcmcia/cs.h> | |
1da177e4 LT |
31 | #include <pcmcia/cistpl.h> |
32 | #include <pcmcia/cisreg.h> | |
33 | #include <pcmcia/ds.h> | |
34 | #include "cs_internal.h" | |
35 | ||
36 | #define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev) | |
37 | ||
87373318 GKH |
38 | static ssize_t pccard_show_type(struct device *dev, struct device_attribute *attr, |
39 | char *buf) | |
1da177e4 | 40 | { |
1da177e4 LT |
41 | struct pcmcia_socket *s = to_socket(dev); |
42 | ||
43 | if (!(s->state & SOCKET_PRESENT)) | |
44 | return -ENODEV; | |
002dbb2d | 45 | if (s->state & SOCKET_CARDBUS) |
1da177e4 | 46 | return sprintf(buf, "32-bit\n"); |
002dbb2d | 47 | return sprintf(buf, "16-bit\n"); |
1da177e4 | 48 | } |
87373318 | 49 | static DEVICE_ATTR(card_type, 0444, pccard_show_type, NULL); |
1da177e4 | 50 | |
87373318 GKH |
51 | static ssize_t pccard_show_voltage(struct device *dev, struct device_attribute *attr, |
52 | char *buf) | |
1da177e4 | 53 | { |
1da177e4 LT |
54 | struct pcmcia_socket *s = to_socket(dev); |
55 | ||
56 | if (!(s->state & SOCKET_PRESENT)) | |
57 | return -ENODEV; | |
002dbb2d DB |
58 | if (s->socket.Vcc) |
59 | return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, | |
60 | s->socket.Vcc % 10); | |
61 | return sprintf(buf, "X.XV\n"); | |
1da177e4 | 62 | } |
87373318 | 63 | static DEVICE_ATTR(card_voltage, 0444, pccard_show_voltage, NULL); |
1da177e4 | 64 | |
87373318 GKH |
65 | static ssize_t pccard_show_vpp(struct device *dev, struct device_attribute *attr, |
66 | char *buf) | |
1da177e4 LT |
67 | { |
68 | struct pcmcia_socket *s = to_socket(dev); | |
69 | if (!(s->state & SOCKET_PRESENT)) | |
70 | return -ENODEV; | |
71 | return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10); | |
72 | } | |
87373318 | 73 | static DEVICE_ATTR(card_vpp, 0444, pccard_show_vpp, NULL); |
1da177e4 | 74 | |
87373318 GKH |
75 | static ssize_t pccard_show_vcc(struct device *dev, struct device_attribute *attr, |
76 | char *buf) | |
1da177e4 LT |
77 | { |
78 | struct pcmcia_socket *s = to_socket(dev); | |
79 | if (!(s->state & SOCKET_PRESENT)) | |
80 | return -ENODEV; | |
81 | return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10); | |
82 | } | |
87373318 | 83 | static DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL); |
1da177e4 LT |
84 | |
85 | ||
87373318 GKH |
86 | static ssize_t pccard_store_insert(struct device *dev, struct device_attribute *attr, |
87 | const char *buf, size_t count) | |
1da177e4 | 88 | { |
1da177e4 LT |
89 | struct pcmcia_socket *s = to_socket(dev); |
90 | ||
91 | if (!count) | |
92 | return -EINVAL; | |
93 | ||
f971dbd5 | 94 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT); |
1da177e4 | 95 | |
f971dbd5 | 96 | return count; |
1da177e4 | 97 | } |
87373318 | 98 | static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert); |
1da177e4 | 99 | |
db1019ca | 100 | |
87373318 GKH |
101 | static ssize_t pccard_show_card_pm_state(struct device *dev, |
102 | struct device_attribute *attr, | |
103 | char *buf) | |
db1019ca DB |
104 | { |
105 | struct pcmcia_socket *s = to_socket(dev); | |
106 | return sprintf(buf, "%s\n", s->state & SOCKET_SUSPEND ? "off" : "on"); | |
107 | } | |
108 | ||
87373318 GKH |
109 | static ssize_t pccard_store_card_pm_state(struct device *dev, |
110 | struct device_attribute *attr, | |
111 | const char *buf, size_t count) | |
db1019ca | 112 | { |
db1019ca | 113 | struct pcmcia_socket *s = to_socket(dev); |
f971dbd5 | 114 | ssize_t ret = count; |
db1019ca DB |
115 | |
116 | if (!count) | |
117 | return -EINVAL; | |
118 | ||
f971dbd5 DB |
119 | if (!strncmp(buf, "off", 3)) |
120 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND); | |
121 | else { | |
122 | if (!strncmp(buf, "on", 2)) | |
123 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME); | |
124 | else | |
125 | ret = -EINVAL; | |
126 | } | |
db1019ca | 127 | |
f971dbd5 | 128 | return ret; |
db1019ca | 129 | } |
87373318 | 130 | static DEVICE_ATTR(card_pm_state, 0644, pccard_show_card_pm_state, pccard_store_card_pm_state); |
db1019ca | 131 | |
87373318 GKH |
132 | static ssize_t pccard_store_eject(struct device *dev, |
133 | struct device_attribute *attr, | |
134 | const char *buf, size_t count) | |
1da177e4 | 135 | { |
1da177e4 LT |
136 | struct pcmcia_socket *s = to_socket(dev); |
137 | ||
138 | if (!count) | |
139 | return -EINVAL; | |
140 | ||
f971dbd5 | 141 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT); |
1da177e4 | 142 | |
f971dbd5 | 143 | return count; |
1da177e4 | 144 | } |
87373318 | 145 | static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject); |
1da177e4 LT |
146 | |
147 | ||
87373318 GKH |
148 | static ssize_t pccard_show_irq_mask(struct device *dev, |
149 | struct device_attribute *attr, | |
150 | char *buf) | |
1da177e4 LT |
151 | { |
152 | struct pcmcia_socket *s = to_socket(dev); | |
153 | return sprintf(buf, "0x%04x\n", s->irq_mask); | |
154 | } | |
155 | ||
87373318 GKH |
156 | static ssize_t pccard_store_irq_mask(struct device *dev, |
157 | struct device_attribute *attr, | |
158 | const char *buf, size_t count) | |
1da177e4 LT |
159 | { |
160 | ssize_t ret; | |
161 | struct pcmcia_socket *s = to_socket(dev); | |
162 | u32 mask; | |
163 | ||
164 | if (!count) | |
165 | return -EINVAL; | |
166 | ||
9fea84f4 | 167 | ret = sscanf(buf, "0x%x\n", &mask); |
1da177e4 LT |
168 | |
169 | if (ret == 1) { | |
64d8d46f | 170 | mutex_lock(&s->ops_mutex); |
1da177e4 | 171 | s->irq_mask &= mask; |
64d8d46f | 172 | mutex_unlock(&s->ops_mutex); |
1da177e4 LT |
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 | 191 | { |
1da177e4 LT |
192 | struct pcmcia_socket *s = to_socket(dev); |
193 | ||
194 | if (!count) | |
195 | return -EINVAL; | |
196 | ||
00ce99ff | 197 | mutex_lock(&s->ops_mutex); |
e2f0b534 | 198 | if (!s->resource_setup_done) |
1da177e4 | 199 | s->resource_setup_done = 1; |
00ce99ff | 200 | mutex_unlock(&s->ops_mutex); |
1da177e4 | 201 | |
af461fc1 | 202 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY); |
1da177e4 LT |
203 | |
204 | return count; | |
205 | } | |
87373318 | 206 | static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource); |
1da177e4 | 207 | |
4356d73d DB |
208 | static struct attribute *pccard_socket_attributes[] = { |
209 | &dev_attr_card_type.attr, | |
210 | &dev_attr_card_voltage.attr, | |
211 | &dev_attr_card_vpp.attr, | |
212 | &dev_attr_card_vcc.attr, | |
213 | &dev_attr_card_insert.attr, | |
214 | &dev_attr_card_pm_state.attr, | |
215 | &dev_attr_card_eject.attr, | |
216 | &dev_attr_card_irq_mask.attr, | |
217 | &dev_attr_available_resources_setup_done.attr, | |
1da177e4 LT |
218 | NULL, |
219 | }; | |
220 | ||
4356d73d DB |
221 | static const struct attribute_group socket_attrs = { |
222 | .attrs = pccard_socket_attributes, | |
223 | }; | |
224 | ||
4356d73d | 225 | int pccard_sysfs_add_socket(struct device *dev) |
1da177e4 | 226 | { |
6e7b51a7 | 227 | return sysfs_create_group(&dev->kobj, &socket_attrs); |
1da177e4 LT |
228 | } |
229 | ||
4356d73d | 230 | void pccard_sysfs_remove_socket(struct device *dev) |
1da177e4 | 231 | { |
4356d73d | 232 | sysfs_remove_group(&dev->kobj, &socket_attrs); |
1da177e4 | 233 | } |