1 /* Bluetooth HCI driver model support. */
3 #include <linux/kernel.h>
4 #include <linux/init.h>
6 #include <net/bluetooth/bluetooth.h>
7 #include <net/bluetooth/hci_core.h>
9 #ifndef CONFIG_BT_HCI_CORE_DEBUG
14 static ssize_t
show_name(struct class_device
*cdev
, char *buf
)
16 struct hci_dev
*hdev
= class_get_devdata(cdev
);
17 return sprintf(buf
, "%s\n", hdev
->name
);
20 static ssize_t
show_type(struct class_device
*cdev
, char *buf
)
22 struct hci_dev
*hdev
= class_get_devdata(cdev
);
23 return sprintf(buf
, "%d\n", hdev
->type
);
26 static ssize_t
show_address(struct class_device
*cdev
, char *buf
)
28 struct hci_dev
*hdev
= class_get_devdata(cdev
);
30 baswap(&bdaddr
, &hdev
->bdaddr
);
31 return sprintf(buf
, "%s\n", batostr(&bdaddr
));
34 static ssize_t
show_flags(struct class_device
*cdev
, char *buf
)
36 struct hci_dev
*hdev
= class_get_devdata(cdev
);
37 return sprintf(buf
, "0x%lx\n", hdev
->flags
);
40 static ssize_t
show_inquiry_cache(struct class_device
*cdev
, char *buf
)
42 struct hci_dev
*hdev
= class_get_devdata(cdev
);
43 struct inquiry_cache
*cache
= &hdev
->inq_cache
;
44 struct inquiry_entry
*e
;
47 hci_dev_lock_bh(hdev
);
49 for (e
= cache
->list
; e
; e
= e
->next
) {
50 struct inquiry_data
*data
= &e
->data
;
52 baswap(&bdaddr
, &data
->bdaddr
);
53 n
+= sprintf(buf
+ n
, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %u\n",
55 data
->pscan_rep_mode
, data
->pscan_period_mode
, data
->pscan_mode
,
56 data
->dev_class
[2], data
->dev_class
[1], data
->dev_class
[0],
57 __le16_to_cpu(data
->clock_offset
), data
->rssi
, e
->timestamp
);
60 hci_dev_unlock_bh(hdev
);
64 static CLASS_DEVICE_ATTR(name
, S_IRUGO
, show_name
, NULL
);
65 static CLASS_DEVICE_ATTR(type
, S_IRUGO
, show_type
, NULL
);
66 static CLASS_DEVICE_ATTR(address
, S_IRUGO
, show_address
, NULL
);
67 static CLASS_DEVICE_ATTR(flags
, S_IRUGO
, show_flags
, NULL
);
68 static CLASS_DEVICE_ATTR(inquiry_cache
, S_IRUGO
, show_inquiry_cache
, NULL
);
70 static struct class_device_attribute
*bt_attrs
[] = {
71 &class_device_attr_name
,
72 &class_device_attr_type
,
73 &class_device_attr_address
,
74 &class_device_attr_flags
,
75 &class_device_attr_inquiry_cache
,
80 static int bt_uevent(struct class_device
*cdev
, char **envp
, int num_envp
, char *buf
, int size
)
82 struct hci_dev
*hdev
= class_get_devdata(cdev
);
86 n
= snprintf(buf
, size
, "INTERFACE=%s", hdev
->name
) + 1;
90 if ((size
<= 0) || (i
>= num_envp
))
98 static void bt_release(struct class_device
*cdev
)
100 struct hci_dev
*hdev
= class_get_devdata(cdev
);
105 struct class bt_class
= {
107 .release
= bt_release
,
108 #ifdef CONFIG_HOTPLUG
113 EXPORT_SYMBOL_GPL(bt_class
);
115 int hci_register_sysfs(struct hci_dev
*hdev
)
117 struct class_device
*cdev
= &hdev
->class_dev
;
121 BT_DBG("%p name %s type %d", hdev
, hdev
->name
, hdev
->type
);
123 cdev
->class = &bt_class
;
124 class_set_devdata(cdev
, hdev
);
126 strlcpy(cdev
->class_id
, hdev
->name
, BUS_ID_SIZE
);
127 err
= class_device_register(cdev
);
131 for (i
= 0; bt_attrs
[i
]; i
++)
132 class_device_create_file(cdev
, bt_attrs
[i
]);
137 void hci_unregister_sysfs(struct hci_dev
*hdev
)
139 struct class_device
* cdev
= &hdev
->class_dev
;
141 BT_DBG("%p name %s type %d", hdev
, hdev
->name
, hdev
->type
);
143 class_device_del(cdev
);
146 int __init
bt_sysfs_init(void)
148 return class_register(&bt_class
);
151 void __exit
bt_sysfs_cleanup(void)
153 class_unregister(&bt_class
);