1 /* Bluetooth HCI driver model support. */
3 #include <linux/kernel.h>
4 #include <linux/init.h>
6 #include <linux/platform_device.h>
8 #include <net/bluetooth/bluetooth.h>
9 #include <net/bluetooth/hci_core.h>
11 #ifndef CONFIG_BT_HCI_CORE_DEBUG
16 static inline char *typetostr(int type
)
38 static ssize_t
show_type(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
40 struct hci_dev
*hdev
= dev_get_drvdata(dev
);
41 return sprintf(buf
, "%s\n", typetostr(hdev
->type
));
44 static ssize_t
show_address(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
46 struct hci_dev
*hdev
= dev_get_drvdata(dev
);
48 baswap(&bdaddr
, &hdev
->bdaddr
);
49 return sprintf(buf
, "%s\n", batostr(&bdaddr
));
52 static ssize_t
show_inquiry_cache(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
54 struct hci_dev
*hdev
= dev_get_drvdata(dev
);
55 struct inquiry_cache
*cache
= &hdev
->inq_cache
;
56 struct inquiry_entry
*e
;
59 hci_dev_lock_bh(hdev
);
61 for (e
= cache
->list
; e
; e
= e
->next
) {
62 struct inquiry_data
*data
= &e
->data
;
64 baswap(&bdaddr
, &data
->bdaddr
);
65 n
+= sprintf(buf
+ n
, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %u\n",
67 data
->pscan_rep_mode
, data
->pscan_period_mode
, data
->pscan_mode
,
68 data
->dev_class
[2], data
->dev_class
[1], data
->dev_class
[0],
69 __le16_to_cpu(data
->clock_offset
), data
->rssi
, e
->timestamp
);
72 hci_dev_unlock_bh(hdev
);
76 static ssize_t
show_idle_timeout(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
78 struct hci_dev
*hdev
= dev_get_drvdata(dev
);
79 return sprintf(buf
, "%d\n", hdev
->idle_timeout
);
82 static ssize_t
store_idle_timeout(struct device
*dev
, struct device_attribute
*attr
, const char *buf
, size_t count
)
84 struct hci_dev
*hdev
= dev_get_drvdata(dev
);
88 val
= simple_strtoul(buf
, &ptr
, 10);
92 if (val
!= 0 && (val
< 500 || val
> 3600000))
95 hdev
->idle_timeout
= val
;
100 static ssize_t
show_sniff_max_interval(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
102 struct hci_dev
*hdev
= dev_get_drvdata(dev
);
103 return sprintf(buf
, "%d\n", hdev
->sniff_max_interval
);
106 static ssize_t
store_sniff_max_interval(struct device
*dev
, struct device_attribute
*attr
, const char *buf
, size_t count
)
108 struct hci_dev
*hdev
= dev_get_drvdata(dev
);
112 val
= simple_strtoul(buf
, &ptr
, 10);
116 if (val
< 0x0002 || val
> 0xFFFE || val
% 2)
119 if (val
< hdev
->sniff_min_interval
)
122 hdev
->sniff_max_interval
= val
;
127 static ssize_t
show_sniff_min_interval(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
129 struct hci_dev
*hdev
= dev_get_drvdata(dev
);
130 return sprintf(buf
, "%d\n", hdev
->sniff_min_interval
);
133 static ssize_t
store_sniff_min_interval(struct device
*dev
, struct device_attribute
*attr
, const char *buf
, size_t count
)
135 struct hci_dev
*hdev
= dev_get_drvdata(dev
);
139 val
= simple_strtoul(buf
, &ptr
, 10);
143 if (val
< 0x0002 || val
> 0xFFFE || val
% 2)
146 if (val
> hdev
->sniff_max_interval
)
149 hdev
->sniff_min_interval
= val
;
154 static DEVICE_ATTR(type
, S_IRUGO
, show_type
, NULL
);
155 static DEVICE_ATTR(address
, S_IRUGO
, show_address
, NULL
);
156 static DEVICE_ATTR(inquiry_cache
, S_IRUGO
, show_inquiry_cache
, NULL
);
158 static DEVICE_ATTR(idle_timeout
, S_IRUGO
| S_IWUSR
,
159 show_idle_timeout
, store_idle_timeout
);
160 static DEVICE_ATTR(sniff_max_interval
, S_IRUGO
| S_IWUSR
,
161 show_sniff_max_interval
, store_sniff_max_interval
);
162 static DEVICE_ATTR(sniff_min_interval
, S_IRUGO
| S_IWUSR
,
163 show_sniff_min_interval
, store_sniff_min_interval
);
165 static struct device_attribute
*bt_attrs
[] = {
168 &dev_attr_inquiry_cache
,
169 &dev_attr_idle_timeout
,
170 &dev_attr_sniff_max_interval
,
171 &dev_attr_sniff_min_interval
,
175 static ssize_t
show_conn_type(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
177 struct hci_conn
*conn
= dev_get_drvdata(dev
);
178 return sprintf(buf
, "%s\n", conn
->type
== ACL_LINK
? "ACL" : "SCO");
181 static ssize_t
show_conn_address(struct device
*dev
, struct device_attribute
*attr
, char *buf
)
183 struct hci_conn
*conn
= dev_get_drvdata(dev
);
185 baswap(&bdaddr
, &conn
->dst
);
186 return sprintf(buf
, "%s\n", batostr(&bdaddr
));
189 #define CONN_ATTR(_name,_mode,_show,_store) \
190 struct device_attribute conn_attr_##_name = __ATTR(_name,_mode,_show,_store)
192 static CONN_ATTR(type
, S_IRUGO
, show_conn_type
, NULL
);
193 static CONN_ATTR(address
, S_IRUGO
, show_conn_address
, NULL
);
195 static struct device_attribute
*conn_attrs
[] = {
201 struct class *bt_class
= NULL
;
202 EXPORT_SYMBOL_GPL(bt_class
);
204 static struct bus_type bt_bus
= {
208 static struct platform_device
*bt_platform
;
210 static void bt_release(struct device
*dev
)
212 void *data
= dev_get_drvdata(dev
);
216 static void add_conn(void *data
)
218 struct hci_conn
*conn
= data
;
221 device_register(&conn
->dev
);
223 for (i
= 0; conn_attrs
[i
]; i
++)
224 device_create_file(&conn
->dev
, conn_attrs
[i
]);
227 void hci_conn_add_sysfs(struct hci_conn
*conn
)
229 struct hci_dev
*hdev
= conn
->hdev
;
230 bdaddr_t
*ba
= &conn
->dst
;
232 BT_DBG("conn %p", conn
);
234 conn
->dev
.parent
= &hdev
->dev
;
235 conn
->dev
.release
= bt_release
;
237 snprintf(conn
->dev
.bus_id
, BUS_ID_SIZE
,
238 "%s%2.2X%2.2X%2.2X%2.2X%2.2X%2.2X",
239 conn
->type
== ACL_LINK
? "acl" : "sco",
240 ba
->b
[5], ba
->b
[4], ba
->b
[3],
241 ba
->b
[2], ba
->b
[1], ba
->b
[0]);
243 dev_set_drvdata(&conn
->dev
, conn
);
245 INIT_WORK(&conn
->work
, add_conn
, (void *) conn
);
247 schedule_work(&conn
->work
);
250 static void del_conn(void *data
)
252 struct hci_conn
*conn
= data
;
253 device_del(&conn
->dev
);
256 void hci_conn_del_sysfs(struct hci_conn
*conn
)
258 BT_DBG("conn %p", conn
);
260 INIT_WORK(&conn
->work
, del_conn
, (void *) conn
);
262 schedule_work(&conn
->work
);
265 int hci_register_sysfs(struct hci_dev
*hdev
)
267 struct device
*dev
= &hdev
->dev
;
271 BT_DBG("%p name %s type %d", hdev
, hdev
->name
, hdev
->type
);
273 dev
->class = bt_class
;
276 dev
->parent
= hdev
->parent
;
278 dev
->parent
= &bt_platform
->dev
;
280 strlcpy(dev
->bus_id
, hdev
->name
, BUS_ID_SIZE
);
282 dev
->release
= bt_release
;
284 dev_set_drvdata(dev
, hdev
);
286 err
= device_register(dev
);
290 for (i
= 0; bt_attrs
[i
]; i
++)
291 device_create_file(dev
, bt_attrs
[i
]);
296 void hci_unregister_sysfs(struct hci_dev
*hdev
)
298 BT_DBG("%p name %s type %d", hdev
, hdev
->name
, hdev
->type
);
300 device_del(&hdev
->dev
);
303 int __init
bt_sysfs_init(void)
307 bt_platform
= platform_device_register_simple("bluetooth", -1, NULL
, 0);
308 if (IS_ERR(bt_platform
))
309 return PTR_ERR(bt_platform
);
311 err
= bus_register(&bt_bus
);
313 platform_device_unregister(bt_platform
);
317 bt_class
= class_create(THIS_MODULE
, "bluetooth");
318 if (IS_ERR(bt_class
)) {
319 bus_unregister(&bt_bus
);
320 platform_device_unregister(bt_platform
);
321 return PTR_ERR(bt_class
);
327 void __exit
bt_sysfs_cleanup(void)
329 class_destroy(bt_class
);
331 bus_unregister(&bt_bus
);
333 platform_device_unregister(bt_platform
);