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/irq.h> |
27 | ||
1da177e4 | 28 | #include <pcmcia/ss.h> |
1da177e4 LT |
29 | #include <pcmcia/cistpl.h> |
30 | #include <pcmcia/cisreg.h> | |
31 | #include <pcmcia/ds.h> | |
32 | #include "cs_internal.h" | |
33 | ||
34 | #define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev) | |
35 | ||
87373318 GKH |
36 | static ssize_t pccard_show_type(struct device *dev, struct device_attribute *attr, |
37 | char *buf) | |
1da177e4 | 38 | { |
1da177e4 LT |
39 | struct pcmcia_socket *s = to_socket(dev); |
40 | ||
41 | if (!(s->state & SOCKET_PRESENT)) | |
42 | return -ENODEV; | |
002dbb2d | 43 | if (s->state & SOCKET_CARDBUS) |
1da177e4 | 44 | return sprintf(buf, "32-bit\n"); |
002dbb2d | 45 | return sprintf(buf, "16-bit\n"); |
1da177e4 | 46 | } |
87373318 | 47 | static DEVICE_ATTR(card_type, 0444, pccard_show_type, NULL); |
1da177e4 | 48 | |
87373318 GKH |
49 | static ssize_t pccard_show_voltage(struct device *dev, struct device_attribute *attr, |
50 | char *buf) | |
1da177e4 | 51 | { |
1da177e4 LT |
52 | struct pcmcia_socket *s = to_socket(dev); |
53 | ||
54 | if (!(s->state & SOCKET_PRESENT)) | |
55 | return -ENODEV; | |
002dbb2d DB |
56 | if (s->socket.Vcc) |
57 | return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, | |
58 | s->socket.Vcc % 10); | |
59 | return sprintf(buf, "X.XV\n"); | |
1da177e4 | 60 | } |
87373318 | 61 | static DEVICE_ATTR(card_voltage, 0444, pccard_show_voltage, NULL); |
1da177e4 | 62 | |
87373318 GKH |
63 | static ssize_t pccard_show_vpp(struct device *dev, struct device_attribute *attr, |
64 | char *buf) | |
1da177e4 LT |
65 | { |
66 | struct pcmcia_socket *s = to_socket(dev); | |
67 | if (!(s->state & SOCKET_PRESENT)) | |
68 | return -ENODEV; | |
69 | return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10); | |
70 | } | |
87373318 | 71 | static DEVICE_ATTR(card_vpp, 0444, pccard_show_vpp, NULL); |
1da177e4 | 72 | |
87373318 GKH |
73 | static ssize_t pccard_show_vcc(struct device *dev, struct device_attribute *attr, |
74 | char *buf) | |
1da177e4 LT |
75 | { |
76 | struct pcmcia_socket *s = to_socket(dev); | |
77 | if (!(s->state & SOCKET_PRESENT)) | |
78 | return -ENODEV; | |
79 | return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10); | |
80 | } | |
87373318 | 81 | static DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL); |
1da177e4 LT |
82 | |
83 | ||
87373318 GKH |
84 | static ssize_t pccard_store_insert(struct device *dev, struct device_attribute *attr, |
85 | const char *buf, size_t count) | |
1da177e4 | 86 | { |
1da177e4 LT |
87 | struct pcmcia_socket *s = to_socket(dev); |
88 | ||
89 | if (!count) | |
90 | return -EINVAL; | |
91 | ||
f971dbd5 | 92 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT); |
1da177e4 | 93 | |
f971dbd5 | 94 | return count; |
1da177e4 | 95 | } |
87373318 | 96 | static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert); |
1da177e4 | 97 | |
db1019ca | 98 | |
87373318 GKH |
99 | static ssize_t pccard_show_card_pm_state(struct device *dev, |
100 | struct device_attribute *attr, | |
101 | char *buf) | |
db1019ca DB |
102 | { |
103 | struct pcmcia_socket *s = to_socket(dev); | |
104 | return sprintf(buf, "%s\n", s->state & SOCKET_SUSPEND ? "off" : "on"); | |
105 | } | |
106 | ||
87373318 GKH |
107 | static ssize_t pccard_store_card_pm_state(struct device *dev, |
108 | struct device_attribute *attr, | |
109 | const char *buf, size_t count) | |
db1019ca | 110 | { |
db1019ca | 111 | struct pcmcia_socket *s = to_socket(dev); |
f971dbd5 | 112 | ssize_t ret = count; |
db1019ca DB |
113 | |
114 | if (!count) | |
115 | return -EINVAL; | |
116 | ||
f971dbd5 DB |
117 | if (!strncmp(buf, "off", 3)) |
118 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND); | |
119 | else { | |
120 | if (!strncmp(buf, "on", 2)) | |
121 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME); | |
122 | else | |
123 | ret = -EINVAL; | |
124 | } | |
db1019ca | 125 | |
f971dbd5 | 126 | return ret; |
db1019ca | 127 | } |
87373318 | 128 | static DEVICE_ATTR(card_pm_state, 0644, pccard_show_card_pm_state, pccard_store_card_pm_state); |
db1019ca | 129 | |
87373318 GKH |
130 | static ssize_t pccard_store_eject(struct device *dev, |
131 | struct device_attribute *attr, | |
132 | const char *buf, size_t count) | |
1da177e4 | 133 | { |
1da177e4 LT |
134 | struct pcmcia_socket *s = to_socket(dev); |
135 | ||
136 | if (!count) | |
137 | return -EINVAL; | |
138 | ||
f971dbd5 | 139 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT); |
1da177e4 | 140 | |
f971dbd5 | 141 | return count; |
1da177e4 | 142 | } |
87373318 | 143 | static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject); |
1da177e4 LT |
144 | |
145 | ||
87373318 GKH |
146 | static ssize_t pccard_show_irq_mask(struct device *dev, |
147 | struct device_attribute *attr, | |
148 | char *buf) | |
1da177e4 LT |
149 | { |
150 | struct pcmcia_socket *s = to_socket(dev); | |
151 | return sprintf(buf, "0x%04x\n", s->irq_mask); | |
152 | } | |
153 | ||
87373318 GKH |
154 | static ssize_t pccard_store_irq_mask(struct device *dev, |
155 | struct device_attribute *attr, | |
156 | const char *buf, size_t count) | |
1da177e4 LT |
157 | { |
158 | ssize_t ret; | |
159 | struct pcmcia_socket *s = to_socket(dev); | |
160 | u32 mask; | |
161 | ||
162 | if (!count) | |
163 | return -EINVAL; | |
164 | ||
9fea84f4 | 165 | ret = sscanf(buf, "0x%x\n", &mask); |
1da177e4 LT |
166 | |
167 | if (ret == 1) { | |
64d8d46f | 168 | mutex_lock(&s->ops_mutex); |
1da177e4 | 169 | s->irq_mask &= mask; |
64d8d46f | 170 | mutex_unlock(&s->ops_mutex); |
1da177e4 LT |
171 | ret = 0; |
172 | } | |
173 | ||
174 | return ret ? ret : count; | |
175 | } | |
87373318 | 176 | static DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask); |
1da177e4 LT |
177 | |
178 | ||
87373318 GKH |
179 | static ssize_t pccard_show_resource(struct device *dev, |
180 | struct device_attribute *attr, char *buf) | |
1da177e4 LT |
181 | { |
182 | struct pcmcia_socket *s = to_socket(dev); | |
183 | return sprintf(buf, "%s\n", s->resource_setup_done ? "yes" : "no"); | |
184 | } | |
185 | ||
87373318 GKH |
186 | static ssize_t pccard_store_resource(struct device *dev, |
187 | struct device_attribute *attr, | |
188 | const char *buf, size_t count) | |
1da177e4 | 189 | { |
1da177e4 LT |
190 | struct pcmcia_socket *s = to_socket(dev); |
191 | ||
192 | if (!count) | |
193 | return -EINVAL; | |
194 | ||
00ce99ff | 195 | mutex_lock(&s->ops_mutex); |
e2f0b534 | 196 | if (!s->resource_setup_done) |
1da177e4 | 197 | s->resource_setup_done = 1; |
00ce99ff | 198 | mutex_unlock(&s->ops_mutex); |
1da177e4 | 199 | |
af461fc1 | 200 | pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY); |
1da177e4 LT |
201 | |
202 | return count; | |
203 | } | |
87373318 | 204 | static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource); |
1da177e4 | 205 | |
4356d73d DB |
206 | static struct attribute *pccard_socket_attributes[] = { |
207 | &dev_attr_card_type.attr, | |
208 | &dev_attr_card_voltage.attr, | |
209 | &dev_attr_card_vpp.attr, | |
210 | &dev_attr_card_vcc.attr, | |
211 | &dev_attr_card_insert.attr, | |
212 | &dev_attr_card_pm_state.attr, | |
213 | &dev_attr_card_eject.attr, | |
214 | &dev_attr_card_irq_mask.attr, | |
215 | &dev_attr_available_resources_setup_done.attr, | |
1da177e4 LT |
216 | NULL, |
217 | }; | |
218 | ||
4356d73d DB |
219 | static const struct attribute_group socket_attrs = { |
220 | .attrs = pccard_socket_attributes, | |
221 | }; | |
222 | ||
4356d73d | 223 | int pccard_sysfs_add_socket(struct device *dev) |
1da177e4 | 224 | { |
6e7b51a7 | 225 | return sysfs_create_group(&dev->kobj, &socket_attrs); |
1da177e4 LT |
226 | } |
227 | ||
4356d73d | 228 | void pccard_sysfs_remove_socket(struct device *dev) |
1da177e4 | 229 | { |
4356d73d | 230 | sysfs_remove_group(&dev->kobj, &socket_attrs); |
1da177e4 | 231 | } |