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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * socket_sysfs.c -- most of socket-related sysfs output
4 *
5 * (C) 2003 - 2004 Dominik Brodowski
6 */
7
8#include <linux/module.h>
9#include <linux/moduleparam.h>
10#include <linux/init.h>
11#include <linux/kernel.h>
12#include <linux/string.h>
13#include <linux/major.h>
14#include <linux/errno.h>
15#include <linux/mm.h>
16#include <linux/interrupt.h>
17#include <linux/timer.h>
18#include <linux/ioport.h>
19#include <linux/delay.h>
20#include <linux/pm.h>
21#include <linux/device.h>
22#include <linux/mutex.h>
23#include <asm/irq.h>
24
25#include <pcmcia/ss.h>
26#include <pcmcia/cistpl.h>
27#include <pcmcia/cisreg.h>
28#include <pcmcia/ds.h>
29#include "cs_internal.h"
30
31#define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev)
32
33static ssize_t pccard_show_type(struct device *dev, struct device_attribute *attr,
34 char *buf)
35{
36 struct pcmcia_socket *s = to_socket(dev);
37
38 if (!(s->state & SOCKET_PRESENT))
39 return -ENODEV;
40 if (s->state & SOCKET_CARDBUS)
41 return sprintf(buf, "32-bit\n");
42 return sprintf(buf, "16-bit\n");
43}
44static DEVICE_ATTR(card_type, 0444, pccard_show_type, NULL);
45
46static ssize_t pccard_show_voltage(struct device *dev, struct device_attribute *attr,
47 char *buf)
48{
49 struct pcmcia_socket *s = to_socket(dev);
50
51 if (!(s->state & SOCKET_PRESENT))
52 return -ENODEV;
53 if (s->socket.Vcc)
54 return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10,
55 s->socket.Vcc % 10);
56 return sprintf(buf, "X.XV\n");
57}
58static DEVICE_ATTR(card_voltage, 0444, pccard_show_voltage, NULL);
59
60static ssize_t pccard_show_vpp(struct device *dev, struct device_attribute *attr,
61 char *buf)
62{
63 struct pcmcia_socket *s = to_socket(dev);
64 if (!(s->state & SOCKET_PRESENT))
65 return -ENODEV;
66 return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10);
67}
68static DEVICE_ATTR(card_vpp, 0444, pccard_show_vpp, NULL);
69
70static ssize_t pccard_show_vcc(struct device *dev, struct device_attribute *attr,
71 char *buf)
72{
73 struct pcmcia_socket *s = to_socket(dev);
74 if (!(s->state & SOCKET_PRESENT))
75 return -ENODEV;
76 return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10);
77}
78static DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL);
79
80
81static ssize_t pccard_store_insert(struct device *dev, struct device_attribute *attr,
82 const char *buf, size_t count)
83{
84 struct pcmcia_socket *s = to_socket(dev);
85
86 if (!count)
87 return -EINVAL;
88
89 pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT);
90
91 return count;
92}
93static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert);
94
95
96static ssize_t pccard_show_card_pm_state(struct device *dev,
97 struct device_attribute *attr,
98 char *buf)
99{
100 struct pcmcia_socket *s = to_socket(dev);
101 return sprintf(buf, "%s\n", s->state & SOCKET_SUSPEND ? "off" : "on");
102}
103
104static ssize_t pccard_store_card_pm_state(struct device *dev,
105 struct device_attribute *attr,
106 const char *buf, size_t count)
107{
108 struct pcmcia_socket *s = to_socket(dev);
109 ssize_t ret = count;
110
111 if (!count)
112 return -EINVAL;
113
114 if (!strncmp(buf, "off", 3))
115 pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND);
116 else {
117 if (!strncmp(buf, "on", 2))
118 pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME);
119 else
120 ret = -EINVAL;
121 }
122
123 return ret;
124}
125static DEVICE_ATTR(card_pm_state, 0644, pccard_show_card_pm_state, pccard_store_card_pm_state);
126
127static ssize_t pccard_store_eject(struct device *dev,
128 struct device_attribute *attr,
129 const char *buf, size_t count)
130{
131 struct pcmcia_socket *s = to_socket(dev);
132
133 if (!count)
134 return -EINVAL;
135
136 pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT);
137
138 return count;
139}
140static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject);
141
142
143static ssize_t pccard_show_irq_mask(struct device *dev,
144 struct device_attribute *attr,
145 char *buf)
146{
147 struct pcmcia_socket *s = to_socket(dev);
148 return sprintf(buf, "0x%04x\n", s->irq_mask);
149}
150
151static ssize_t pccard_store_irq_mask(struct device *dev,
152 struct device_attribute *attr,
153 const char *buf, size_t count)
154{
155 ssize_t ret;
156 struct pcmcia_socket *s = to_socket(dev);
157 u32 mask;
158
159 if (!count)
160 return -EINVAL;
161
162 ret = sscanf(buf, "0x%x\n", &mask);
163
164 if (ret == 1) {
165 mutex_lock(&s->ops_mutex);
166 s->irq_mask &= mask;
167 mutex_unlock(&s->ops_mutex);
168 ret = 0;
169 }
170
171 return ret ? ret : count;
172}
173static DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask);
174
175
176static ssize_t pccard_show_resource(struct device *dev,
177 struct device_attribute *attr, char *buf)
178{
179 struct pcmcia_socket *s = to_socket(dev);
180 return sprintf(buf, "%s\n", s->resource_setup_done ? "yes" : "no");
181}
182
183static ssize_t pccard_store_resource(struct device *dev,
184 struct device_attribute *attr,
185 const char *buf, size_t count)
186{
187 struct pcmcia_socket *s = to_socket(dev);
188
189 if (!count)
190 return -EINVAL;
191
192 mutex_lock(&s->ops_mutex);
193 if (!s->resource_setup_done)
194 s->resource_setup_done = 1;
195 mutex_unlock(&s->ops_mutex);
196
197 pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY);
198
199 return count;
200}
201static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource);
202
203static struct attribute *pccard_socket_attributes[] = {
204 &dev_attr_card_type.attr,
205 &dev_attr_card_voltage.attr,
206 &dev_attr_card_vpp.attr,
207 &dev_attr_card_vcc.attr,
208 &dev_attr_card_insert.attr,
209 &dev_attr_card_pm_state.attr,
210 &dev_attr_card_eject.attr,
211 &dev_attr_card_irq_mask.attr,
212 &dev_attr_available_resources_setup_done.attr,
213 NULL,
214};
215
216static const struct attribute_group socket_attrs = {
217 .attrs = pccard_socket_attributes,
218};
219
220int pccard_sysfs_add_socket(struct device *dev)
221{
222 return sysfs_create_group(&dev->kobj, &socket_attrs);
223}
224
225void pccard_sysfs_remove_socket(struct device *dev)
226{
227 sysfs_remove_group(&dev->kobj, &socket_attrs);
228}
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * socket_sysfs.c -- most of socket-related sysfs output
4 *
5 * (C) 2003 - 2004 Dominik Brodowski
6 */
7
8#include <linux/module.h>
9#include <linux/moduleparam.h>
10#include <linux/init.h>
11#include <linux/kernel.h>
12#include <linux/string.h>
13#include <linux/major.h>
14#include <linux/errno.h>
15#include <linux/mm.h>
16#include <linux/interrupt.h>
17#include <linux/timer.h>
18#include <linux/ioport.h>
19#include <linux/delay.h>
20#include <linux/pm.h>
21#include <linux/device.h>
22#include <linux/mutex.h>
23#include <asm/irq.h>
24
25#include <pcmcia/ss.h>
26#include <pcmcia/cistpl.h>
27#include <pcmcia/cisreg.h>
28#include <pcmcia/ds.h>
29#include "cs_internal.h"
30
31#define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev)
32
33static ssize_t pccard_show_type(struct device *dev, struct device_attribute *attr,
34 char *buf)
35{
36 struct pcmcia_socket *s = to_socket(dev);
37
38 if (!(s->state & SOCKET_PRESENT))
39 return -ENODEV;
40 if (s->state & SOCKET_CARDBUS)
41 return sysfs_emit(buf, "32-bit\n");
42 return sysfs_emit(buf, "16-bit\n");
43}
44static DEVICE_ATTR(card_type, 0444, pccard_show_type, NULL);
45
46static ssize_t pccard_show_voltage(struct device *dev, struct device_attribute *attr,
47 char *buf)
48{
49 struct pcmcia_socket *s = to_socket(dev);
50
51 if (!(s->state & SOCKET_PRESENT))
52 return -ENODEV;
53 if (s->socket.Vcc)
54 return sysfs_emit(buf, "%d.%dV\n", s->socket.Vcc / 10,
55 s->socket.Vcc % 10);
56 return sysfs_emit(buf, "X.XV\n");
57}
58static DEVICE_ATTR(card_voltage, 0444, pccard_show_voltage, NULL);
59
60static ssize_t pccard_show_vpp(struct device *dev, struct device_attribute *attr,
61 char *buf)
62{
63 struct pcmcia_socket *s = to_socket(dev);
64 if (!(s->state & SOCKET_PRESENT))
65 return -ENODEV;
66 return sysfs_emit(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10);
67}
68static DEVICE_ATTR(card_vpp, 0444, pccard_show_vpp, NULL);
69
70static ssize_t pccard_show_vcc(struct device *dev, struct device_attribute *attr,
71 char *buf)
72{
73 struct pcmcia_socket *s = to_socket(dev);
74 if (!(s->state & SOCKET_PRESENT))
75 return -ENODEV;
76 return sysfs_emit(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10);
77}
78static DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL);
79
80
81static ssize_t pccard_store_insert(struct device *dev, struct device_attribute *attr,
82 const char *buf, size_t count)
83{
84 struct pcmcia_socket *s = to_socket(dev);
85
86 if (!count)
87 return -EINVAL;
88
89 pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT);
90
91 return count;
92}
93static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert);
94
95
96static ssize_t pccard_show_card_pm_state(struct device *dev,
97 struct device_attribute *attr,
98 char *buf)
99{
100 struct pcmcia_socket *s = to_socket(dev);
101 return sysfs_emit(buf, "%s\n", s->state & SOCKET_SUSPEND ? "off" : "on");
102}
103
104static ssize_t pccard_store_card_pm_state(struct device *dev,
105 struct device_attribute *attr,
106 const char *buf, size_t count)
107{
108 struct pcmcia_socket *s = to_socket(dev);
109 ssize_t ret = count;
110
111 if (!count)
112 return -EINVAL;
113
114 if (!strncmp(buf, "off", 3))
115 pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND);
116 else {
117 if (!strncmp(buf, "on", 2))
118 pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME);
119 else
120 ret = -EINVAL;
121 }
122
123 return ret;
124}
125static DEVICE_ATTR(card_pm_state, 0644, pccard_show_card_pm_state, pccard_store_card_pm_state);
126
127static ssize_t pccard_store_eject(struct device *dev,
128 struct device_attribute *attr,
129 const char *buf, size_t count)
130{
131 struct pcmcia_socket *s = to_socket(dev);
132
133 if (!count)
134 return -EINVAL;
135
136 pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT);
137
138 return count;
139}
140static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject);
141
142
143static ssize_t pccard_show_irq_mask(struct device *dev,
144 struct device_attribute *attr,
145 char *buf)
146{
147 struct pcmcia_socket *s = to_socket(dev);
148 return sysfs_emit(buf, "0x%04x\n", s->irq_mask);
149}
150
151static ssize_t pccard_store_irq_mask(struct device *dev,
152 struct device_attribute *attr,
153 const char *buf, size_t count)
154{
155 ssize_t ret;
156 struct pcmcia_socket *s = to_socket(dev);
157 u32 mask;
158
159 if (!count)
160 return -EINVAL;
161
162 ret = sscanf(buf, "0x%x\n", &mask);
163
164 if (ret == 1) {
165 mutex_lock(&s->ops_mutex);
166 s->irq_mask &= mask;
167 mutex_unlock(&s->ops_mutex);
168 ret = 0;
169 }
170
171 return ret ? ret : count;
172}
173static DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask);
174
175
176static ssize_t pccard_show_resource(struct device *dev,
177 struct device_attribute *attr, char *buf)
178{
179 struct pcmcia_socket *s = to_socket(dev);
180 return sysfs_emit(buf, "%s\n", s->resource_setup_done ? "yes" : "no");
181}
182
183static ssize_t pccard_store_resource(struct device *dev,
184 struct device_attribute *attr,
185 const char *buf, size_t count)
186{
187 struct pcmcia_socket *s = to_socket(dev);
188
189 if (!count)
190 return -EINVAL;
191
192 mutex_lock(&s->ops_mutex);
193 if (!s->resource_setup_done)
194 s->resource_setup_done = 1;
195 mutex_unlock(&s->ops_mutex);
196
197 pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY);
198
199 return count;
200}
201static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource);
202
203static struct attribute *pccard_socket_attributes[] = {
204 &dev_attr_card_type.attr,
205 &dev_attr_card_voltage.attr,
206 &dev_attr_card_vpp.attr,
207 &dev_attr_card_vcc.attr,
208 &dev_attr_card_insert.attr,
209 &dev_attr_card_pm_state.attr,
210 &dev_attr_card_eject.attr,
211 &dev_attr_card_irq_mask.attr,
212 &dev_attr_available_resources_setup_done.attr,
213 NULL,
214};
215
216static const struct attribute_group socket_attrs = {
217 .attrs = pccard_socket_attributes,
218};
219
220int pccard_sysfs_add_socket(struct device *dev)
221{
222 return sysfs_create_group(&dev->kobj, &socket_attrs);
223}
224
225void pccard_sysfs_remove_socket(struct device *dev)
226{
227 sysfs_remove_group(&dev->kobj, &socket_attrs);
228}