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 | 29 | #include <pcmcia/ss.h> |
1da177e4 LT |
30 | #include <pcmcia/cistpl.h> |
31 | #include <pcmcia/cisreg.h> | |
32 | #include <pcmcia/ds.h> | |
33 | #include "cs_internal.h" | |
34 | ||
35 | #define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev) | |
36 | ||
87373318 GKH |
37 | static ssize_t pccard_show_type(struct device *dev, struct device_attribute *attr, |
38 | char *buf) | |
1da177e4 | 39 | { |
1da177e4 LT |
40 | struct pcmcia_socket *s = to_socket(dev); |
41 | ||
42 | if (!(s->state & SOCKET_PRESENT)) | |
43 | return -ENODEV; | |
002dbb2d | 44 | if (s->state & SOCKET_CARDBUS) |
1da177e4 | 45 | return sprintf(buf, "32-bit\n"); |
002dbb2d | 46 | return sprintf(buf, "16-bit\n"); |
1da177e4 | 47 | } |
87373318 | 48 | static DEVICE_ATTR(card_type, 0444, pccard_show_type, NULL); |
1da177e4 | 49 | |
87373318 GKH |
50 | static ssize_t pccard_show_voltage(struct device *dev, struct device_attribute *attr, |
51 | char *buf) | |
1da177e4 | 52 | { |
1da177e4 LT |
53 | struct pcmcia_socket *s = to_socket(dev); |
54 | ||
55 | if (!(s->state & SOCKET_PRESENT)) | |
56 | return -ENODEV; | |
002dbb2d DB |
57 | if (s->socket.Vcc) |
58 | return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, | |
59 | s->socket.Vcc % 10); | |
60 | return sprintf(buf, "X.XV\n"); | |
1da177e4 | 61 | } |
87373318 | 62 | static DEVICE_ATTR(card_voltage, 0444, pccard_show_voltage, NULL); |
1da177e4 | 63 | |
87373318 GKH |
64 | static ssize_t pccard_show_vpp(struct device *dev, struct device_attribute *attr, |
65 | char *buf) | |
1da177e4 LT |
66 | { |
67 | struct pcmcia_socket *s = to_socket(dev); | |
68 | if (!(s->state & SOCKET_PRESENT)) | |
69 | return -ENODEV; | |
70 | return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10); | |
71 | } | |
87373318 | 72 | static DEVICE_ATTR(card_vpp, 0444, pccard_show_vpp, NULL); |
1da177e4 | 73 | |
87373318 GKH |
74 | static ssize_t pccard_show_vcc(struct device *dev, struct device_attribute *attr, |
75 | char *buf) | |
1da177e4 LT |
76 | { |
77 | struct pcmcia_socket *s = to_socket(dev); | |
78 | if (!(s->state & SOCKET_PRESENT)) | |
79 | return -ENODEV; | |
80 | return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10); | |
81 | } | |
87373318 | 82 | static DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL); |
1da177e4 LT |
83 | |
84 | ||
87373318 GKH |
85 | static ssize_t pccard_store_insert(struct device *dev, struct device_attribute *attr, |
86 | const char *buf, size_t count) | |
1da177e4 | 87 | { |
1da177e4 LT |
88 | struct pcmcia_socket *s = to_socket(dev); |
89 | ||
90 | if (!count) | |
91 | return -EINVAL; | |
92 | ||
f971dbd5 | 93 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT); |
1da177e4 | 94 | |
f971dbd5 | 95 | return count; |
1da177e4 | 96 | } |
87373318 | 97 | static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert); |
1da177e4 | 98 | |
db1019ca | 99 | |
87373318 GKH |
100 | static ssize_t pccard_show_card_pm_state(struct device *dev, |
101 | struct device_attribute *attr, | |
102 | char *buf) | |
db1019ca DB |
103 | { |
104 | struct pcmcia_socket *s = to_socket(dev); | |
105 | return sprintf(buf, "%s\n", s->state & SOCKET_SUSPEND ? "off" : "on"); | |
106 | } | |
107 | ||
87373318 GKH |
108 | static ssize_t pccard_store_card_pm_state(struct device *dev, |
109 | struct device_attribute *attr, | |
110 | const char *buf, size_t count) | |
db1019ca | 111 | { |
db1019ca | 112 | struct pcmcia_socket *s = to_socket(dev); |
f971dbd5 | 113 | ssize_t ret = count; |
db1019ca DB |
114 | |
115 | if (!count) | |
116 | return -EINVAL; | |
117 | ||
f971dbd5 DB |
118 | if (!strncmp(buf, "off", 3)) |
119 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND); | |
120 | else { | |
121 | if (!strncmp(buf, "on", 2)) | |
122 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME); | |
123 | else | |
124 | ret = -EINVAL; | |
125 | } | |
db1019ca | 126 | |
f971dbd5 | 127 | return ret; |
db1019ca | 128 | } |
87373318 | 129 | static DEVICE_ATTR(card_pm_state, 0644, pccard_show_card_pm_state, pccard_store_card_pm_state); |
db1019ca | 130 | |
87373318 GKH |
131 | static ssize_t pccard_store_eject(struct device *dev, |
132 | struct device_attribute *attr, | |
133 | const char *buf, size_t count) | |
1da177e4 | 134 | { |
1da177e4 LT |
135 | struct pcmcia_socket *s = to_socket(dev); |
136 | ||
137 | if (!count) | |
138 | return -EINVAL; | |
139 | ||
f971dbd5 | 140 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT); |
1da177e4 | 141 | |
f971dbd5 | 142 | return count; |
1da177e4 | 143 | } |
87373318 | 144 | static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject); |
1da177e4 LT |
145 | |
146 | ||
87373318 GKH |
147 | static ssize_t pccard_show_irq_mask(struct device *dev, |
148 | struct device_attribute *attr, | |
149 | char *buf) | |
1da177e4 LT |
150 | { |
151 | struct pcmcia_socket *s = to_socket(dev); | |
152 | return sprintf(buf, "0x%04x\n", s->irq_mask); | |
153 | } | |
154 | ||
87373318 GKH |
155 | static ssize_t pccard_store_irq_mask(struct device *dev, |
156 | struct device_attribute *attr, | |
157 | const char *buf, size_t count) | |
1da177e4 LT |
158 | { |
159 | ssize_t ret; | |
160 | struct pcmcia_socket *s = to_socket(dev); | |
161 | u32 mask; | |
162 | ||
163 | if (!count) | |
164 | return -EINVAL; | |
165 | ||
9fea84f4 | 166 | ret = sscanf(buf, "0x%x\n", &mask); |
1da177e4 LT |
167 | |
168 | if (ret == 1) { | |
64d8d46f | 169 | mutex_lock(&s->ops_mutex); |
1da177e4 | 170 | s->irq_mask &= mask; |
64d8d46f | 171 | mutex_unlock(&s->ops_mutex); |
1da177e4 LT |
172 | ret = 0; |
173 | } | |
174 | ||
175 | return ret ? ret : count; | |
176 | } | |
87373318 | 177 | static DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask); |
1da177e4 LT |
178 | |
179 | ||
87373318 GKH |
180 | static ssize_t pccard_show_resource(struct device *dev, |
181 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
182 | { |
183 | struct pcmcia_socket *s = to_socket(dev); | |
184 | return sprintf(buf, "%s\n", s->resource_setup_done ? "yes" : "no"); | |
185 | } | |
186 | ||
87373318 GKH |
187 | static ssize_t pccard_store_resource(struct device *dev, |
188 | struct device_attribute *attr, | |
189 | const char *buf, size_t count) | |
1da177e4 | 190 | { |
1da177e4 LT |
191 | struct pcmcia_socket *s = to_socket(dev); |
192 | ||
193 | if (!count) | |
194 | return -EINVAL; | |
195 | ||
00ce99ff | 196 | mutex_lock(&s->ops_mutex); |
e2f0b534 | 197 | if (!s->resource_setup_done) |
1da177e4 | 198 | s->resource_setup_done = 1; |
00ce99ff | 199 | mutex_unlock(&s->ops_mutex); |
1da177e4 | 200 | |
af461fc1 | 201 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY); |
1da177e4 LT |
202 | |
203 | return count; | |
204 | } | |
87373318 | 205 | static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource); |
1da177e4 | 206 | |
4356d73d DB |
207 | static struct attribute *pccard_socket_attributes[] = { |
208 | &dev_attr_card_type.attr, | |
209 | &dev_attr_card_voltage.attr, | |
210 | &dev_attr_card_vpp.attr, | |
211 | &dev_attr_card_vcc.attr, | |
212 | &dev_attr_card_insert.attr, | |
213 | &dev_attr_card_pm_state.attr, | |
214 | &dev_attr_card_eject.attr, | |
215 | &dev_attr_card_irq_mask.attr, | |
216 | &dev_attr_available_resources_setup_done.attr, | |
1da177e4 LT |
217 | NULL, |
218 | }; | |
219 | ||
4356d73d DB |
220 | static const struct attribute_group socket_attrs = { |
221 | .attrs = pccard_socket_attributes, | |
222 | }; | |
223 | ||
4356d73d | 224 | int pccard_sysfs_add_socket(struct device *dev) |
1da177e4 | 225 | { |
6e7b51a7 | 226 | return sysfs_create_group(&dev->kobj, &socket_attrs); |
1da177e4 LT |
227 | } |
228 | ||
4356d73d | 229 | void pccard_sysfs_remove_socket(struct device *dev) |
1da177e4 | 230 | { |
4356d73d | 231 | sysfs_remove_group(&dev->kobj, &socket_attrs); |
1da177e4 | 232 | } |