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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/cs_types.h> |
30 | #include <pcmcia/ss.h> | |
31 | #include <pcmcia/cs.h> | |
1da177e4 LT |
32 | #include <pcmcia/cistpl.h> |
33 | #include <pcmcia/cisreg.h> | |
34 | #include <pcmcia/ds.h> | |
35 | #include "cs_internal.h" | |
36 | ||
37 | #define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev) | |
38 | ||
87373318 GKH |
39 | static ssize_t pccard_show_type(struct device *dev, struct device_attribute *attr, |
40 | char *buf) | |
1da177e4 | 41 | { |
1da177e4 LT |
42 | struct pcmcia_socket *s = to_socket(dev); |
43 | ||
44 | if (!(s->state & SOCKET_PRESENT)) | |
45 | return -ENODEV; | |
002dbb2d | 46 | if (s->state & SOCKET_CARDBUS) |
1da177e4 | 47 | return sprintf(buf, "32-bit\n"); |
002dbb2d | 48 | return sprintf(buf, "16-bit\n"); |
1da177e4 | 49 | } |
87373318 | 50 | static DEVICE_ATTR(card_type, 0444, pccard_show_type, NULL); |
1da177e4 | 51 | |
87373318 GKH |
52 | static ssize_t pccard_show_voltage(struct device *dev, struct device_attribute *attr, |
53 | char *buf) | |
1da177e4 | 54 | { |
1da177e4 LT |
55 | struct pcmcia_socket *s = to_socket(dev); |
56 | ||
57 | if (!(s->state & SOCKET_PRESENT)) | |
58 | return -ENODEV; | |
002dbb2d DB |
59 | if (s->socket.Vcc) |
60 | return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, | |
61 | s->socket.Vcc % 10); | |
62 | return sprintf(buf, "X.XV\n"); | |
1da177e4 | 63 | } |
87373318 | 64 | static DEVICE_ATTR(card_voltage, 0444, pccard_show_voltage, NULL); |
1da177e4 | 65 | |
87373318 GKH |
66 | static ssize_t pccard_show_vpp(struct device *dev, struct device_attribute *attr, |
67 | char *buf) | |
1da177e4 LT |
68 | { |
69 | struct pcmcia_socket *s = to_socket(dev); | |
70 | if (!(s->state & SOCKET_PRESENT)) | |
71 | return -ENODEV; | |
72 | return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10); | |
73 | } | |
87373318 | 74 | static DEVICE_ATTR(card_vpp, 0444, pccard_show_vpp, NULL); |
1da177e4 | 75 | |
87373318 GKH |
76 | static ssize_t pccard_show_vcc(struct device *dev, struct device_attribute *attr, |
77 | char *buf) | |
1da177e4 LT |
78 | { |
79 | struct pcmcia_socket *s = to_socket(dev); | |
80 | if (!(s->state & SOCKET_PRESENT)) | |
81 | return -ENODEV; | |
82 | return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10); | |
83 | } | |
87373318 | 84 | static DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL); |
1da177e4 LT |
85 | |
86 | ||
87373318 GKH |
87 | static ssize_t pccard_store_insert(struct device *dev, struct device_attribute *attr, |
88 | const char *buf, size_t count) | |
1da177e4 | 89 | { |
1da177e4 LT |
90 | struct pcmcia_socket *s = to_socket(dev); |
91 | ||
92 | if (!count) | |
93 | return -EINVAL; | |
94 | ||
f971dbd5 | 95 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT); |
1da177e4 | 96 | |
f971dbd5 | 97 | return count; |
1da177e4 | 98 | } |
87373318 | 99 | static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert); |
1da177e4 | 100 | |
db1019ca | 101 | |
87373318 GKH |
102 | static ssize_t pccard_show_card_pm_state(struct device *dev, |
103 | struct device_attribute *attr, | |
104 | char *buf) | |
db1019ca DB |
105 | { |
106 | struct pcmcia_socket *s = to_socket(dev); | |
107 | return sprintf(buf, "%s\n", s->state & SOCKET_SUSPEND ? "off" : "on"); | |
108 | } | |
109 | ||
87373318 GKH |
110 | static ssize_t pccard_store_card_pm_state(struct device *dev, |
111 | struct device_attribute *attr, | |
112 | const char *buf, size_t count) | |
db1019ca | 113 | { |
db1019ca | 114 | struct pcmcia_socket *s = to_socket(dev); |
f971dbd5 | 115 | ssize_t ret = count; |
db1019ca DB |
116 | |
117 | if (!count) | |
118 | return -EINVAL; | |
119 | ||
f971dbd5 DB |
120 | if (!strncmp(buf, "off", 3)) |
121 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND); | |
122 | else { | |
123 | if (!strncmp(buf, "on", 2)) | |
124 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME); | |
125 | else | |
126 | ret = -EINVAL; | |
127 | } | |
db1019ca | 128 | |
f971dbd5 | 129 | return ret; |
db1019ca | 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 | 136 | { |
1da177e4 LT |
137 | struct pcmcia_socket *s = to_socket(dev); |
138 | ||
139 | if (!count) | |
140 | return -EINVAL; | |
141 | ||
f971dbd5 | 142 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT); |
1da177e4 | 143 | |
f971dbd5 | 144 | return count; |
1da177e4 | 145 | } |
87373318 | 146 | static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject); |
1da177e4 LT |
147 | |
148 | ||
87373318 GKH |
149 | static ssize_t pccard_show_irq_mask(struct device *dev, |
150 | struct device_attribute *attr, | |
151 | char *buf) | |
1da177e4 LT |
152 | { |
153 | struct pcmcia_socket *s = to_socket(dev); | |
154 | return sprintf(buf, "0x%04x\n", s->irq_mask); | |
155 | } | |
156 | ||
87373318 GKH |
157 | static ssize_t pccard_store_irq_mask(struct device *dev, |
158 | struct device_attribute *attr, | |
159 | const char *buf, size_t count) | |
1da177e4 LT |
160 | { |
161 | ssize_t ret; | |
162 | struct pcmcia_socket *s = to_socket(dev); | |
163 | u32 mask; | |
164 | ||
165 | if (!count) | |
166 | return -EINVAL; | |
167 | ||
9fea84f4 | 168 | ret = sscanf(buf, "0x%x\n", &mask); |
1da177e4 LT |
169 | |
170 | if (ret == 1) { | |
64d8d46f | 171 | mutex_lock(&s->ops_mutex); |
1da177e4 | 172 | s->irq_mask &= mask; |
64d8d46f | 173 | mutex_unlock(&s->ops_mutex); |
1da177e4 LT |
174 | ret = 0; |
175 | } | |
176 | ||
177 | return ret ? ret : count; | |
178 | } | |
87373318 | 179 | static DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask); |
1da177e4 LT |
180 | |
181 | ||
87373318 GKH |
182 | static ssize_t pccard_show_resource(struct device *dev, |
183 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
184 | { |
185 | struct pcmcia_socket *s = to_socket(dev); | |
186 | return sprintf(buf, "%s\n", s->resource_setup_done ? "yes" : "no"); | |
187 | } | |
188 | ||
87373318 GKH |
189 | static ssize_t pccard_store_resource(struct device *dev, |
190 | struct device_attribute *attr, | |
191 | const char *buf, size_t count) | |
1da177e4 | 192 | { |
1da177e4 LT |
193 | struct pcmcia_socket *s = to_socket(dev); |
194 | ||
195 | if (!count) | |
196 | return -EINVAL; | |
197 | ||
00ce99ff | 198 | mutex_lock(&s->ops_mutex); |
e2f0b534 | 199 | if (!s->resource_setup_done) |
1da177e4 | 200 | s->resource_setup_done = 1; |
00ce99ff | 201 | mutex_unlock(&s->ops_mutex); |
1da177e4 | 202 | |
af461fc1 | 203 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY); |
1da177e4 LT |
204 | |
205 | return count; | |
206 | } | |
87373318 | 207 | static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource); |
1da177e4 | 208 | |
4356d73d DB |
209 | static struct attribute *pccard_socket_attributes[] = { |
210 | &dev_attr_card_type.attr, | |
211 | &dev_attr_card_voltage.attr, | |
212 | &dev_attr_card_vpp.attr, | |
213 | &dev_attr_card_vcc.attr, | |
214 | &dev_attr_card_insert.attr, | |
215 | &dev_attr_card_pm_state.attr, | |
216 | &dev_attr_card_eject.attr, | |
217 | &dev_attr_card_irq_mask.attr, | |
218 | &dev_attr_available_resources_setup_done.attr, | |
1da177e4 LT |
219 | NULL, |
220 | }; | |
221 | ||
4356d73d DB |
222 | static const struct attribute_group socket_attrs = { |
223 | .attrs = pccard_socket_attributes, | |
224 | }; | |
225 | ||
4356d73d | 226 | int pccard_sysfs_add_socket(struct device *dev) |
1da177e4 | 227 | { |
6e7b51a7 | 228 | return sysfs_create_group(&dev->kobj, &socket_attrs); |
1da177e4 LT |
229 | } |
230 | ||
4356d73d | 231 | void pccard_sysfs_remove_socket(struct device *dev) |
1da177e4 | 232 | { |
4356d73d | 233 | sysfs_remove_group(&dev->kobj, &socket_attrs); |
1da177e4 | 234 | } |