WorkStruct: Typedef the work function prototype
[linux-2.6/verdex.git] / net / bluetooth / hci_sysfs.c
blob3eeeb7a86e753cc638993e1ef9214de51adbdfbe
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
12 #undef BT_DBG
13 #define BT_DBG(D...)
14 #endif
16 static inline char *typetostr(int type)
18 switch (type) {
19 case HCI_VIRTUAL:
20 return "VIRTUAL";
21 case HCI_USB:
22 return "USB";
23 case HCI_PCCARD:
24 return "PCCARD";
25 case HCI_UART:
26 return "UART";
27 case HCI_RS232:
28 return "RS232";
29 case HCI_PCI:
30 return "PCI";
31 case HCI_SDIO:
32 return "SDIO";
33 default:
34 return "UNKNOWN";
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);
47 bdaddr_t bdaddr;
48 baswap(&bdaddr, &hdev->bdaddr);
49 return sprintf(buf, "%s\n", batostr(&bdaddr));
52 static ssize_t show_manufacturer(struct device *dev, struct device_attribute *attr, char *buf)
54 struct hci_dev *hdev = dev_get_drvdata(dev);
55 return sprintf(buf, "%d\n", hdev->manufacturer);
58 static ssize_t show_hci_version(struct device *dev, struct device_attribute *attr, char *buf)
60 struct hci_dev *hdev = dev_get_drvdata(dev);
61 return sprintf(buf, "%d\n", hdev->hci_ver);
64 static ssize_t show_hci_revision(struct device *dev, struct device_attribute *attr, char *buf)
66 struct hci_dev *hdev = dev_get_drvdata(dev);
67 return sprintf(buf, "%d\n", hdev->hci_rev);
70 static ssize_t show_inquiry_cache(struct device *dev, struct device_attribute *attr, char *buf)
72 struct hci_dev *hdev = dev_get_drvdata(dev);
73 struct inquiry_cache *cache = &hdev->inq_cache;
74 struct inquiry_entry *e;
75 int n = 0;
77 hci_dev_lock_bh(hdev);
79 for (e = cache->list; e; e = e->next) {
80 struct inquiry_data *data = &e->data;
81 bdaddr_t bdaddr;
82 baswap(&bdaddr, &data->bdaddr);
83 n += sprintf(buf + n, "%s %d %d %d 0x%.2x%.2x%.2x 0x%.4x %d %u\n",
84 batostr(&bdaddr),
85 data->pscan_rep_mode, data->pscan_period_mode, data->pscan_mode,
86 data->dev_class[2], data->dev_class[1], data->dev_class[0],
87 __le16_to_cpu(data->clock_offset), data->rssi, e->timestamp);
90 hci_dev_unlock_bh(hdev);
91 return n;
94 static ssize_t show_idle_timeout(struct device *dev, struct device_attribute *attr, char *buf)
96 struct hci_dev *hdev = dev_get_drvdata(dev);
97 return sprintf(buf, "%d\n", hdev->idle_timeout);
100 static ssize_t store_idle_timeout(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
102 struct hci_dev *hdev = dev_get_drvdata(dev);
103 char *ptr;
104 __u32 val;
106 val = simple_strtoul(buf, &ptr, 10);
107 if (ptr == buf)
108 return -EINVAL;
110 if (val != 0 && (val < 500 || val > 3600000))
111 return -EINVAL;
113 hdev->idle_timeout = val;
115 return count;
118 static ssize_t show_sniff_max_interval(struct device *dev, struct device_attribute *attr, char *buf)
120 struct hci_dev *hdev = dev_get_drvdata(dev);
121 return sprintf(buf, "%d\n", hdev->sniff_max_interval);
124 static ssize_t store_sniff_max_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
126 struct hci_dev *hdev = dev_get_drvdata(dev);
127 char *ptr;
128 __u16 val;
130 val = simple_strtoul(buf, &ptr, 10);
131 if (ptr == buf)
132 return -EINVAL;
134 if (val < 0x0002 || val > 0xFFFE || val % 2)
135 return -EINVAL;
137 if (val < hdev->sniff_min_interval)
138 return -EINVAL;
140 hdev->sniff_max_interval = val;
142 return count;
145 static ssize_t show_sniff_min_interval(struct device *dev, struct device_attribute *attr, char *buf)
147 struct hci_dev *hdev = dev_get_drvdata(dev);
148 return sprintf(buf, "%d\n", hdev->sniff_min_interval);
151 static ssize_t store_sniff_min_interval(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
153 struct hci_dev *hdev = dev_get_drvdata(dev);
154 char *ptr;
155 __u16 val;
157 val = simple_strtoul(buf, &ptr, 10);
158 if (ptr == buf)
159 return -EINVAL;
161 if (val < 0x0002 || val > 0xFFFE || val % 2)
162 return -EINVAL;
164 if (val > hdev->sniff_max_interval)
165 return -EINVAL;
167 hdev->sniff_min_interval = val;
169 return count;
172 static DEVICE_ATTR(type, S_IRUGO, show_type, NULL);
173 static DEVICE_ATTR(address, S_IRUGO, show_address, NULL);
174 static DEVICE_ATTR(manufacturer, S_IRUGO, show_manufacturer, NULL);
175 static DEVICE_ATTR(hci_version, S_IRUGO, show_hci_version, NULL);
176 static DEVICE_ATTR(hci_revision, S_IRUGO, show_hci_revision, NULL);
177 static DEVICE_ATTR(inquiry_cache, S_IRUGO, show_inquiry_cache, NULL);
179 static DEVICE_ATTR(idle_timeout, S_IRUGO | S_IWUSR,
180 show_idle_timeout, store_idle_timeout);
181 static DEVICE_ATTR(sniff_max_interval, S_IRUGO | S_IWUSR,
182 show_sniff_max_interval, store_sniff_max_interval);
183 static DEVICE_ATTR(sniff_min_interval, S_IRUGO | S_IWUSR,
184 show_sniff_min_interval, store_sniff_min_interval);
186 static struct device_attribute *bt_attrs[] = {
187 &dev_attr_type,
188 &dev_attr_address,
189 &dev_attr_manufacturer,
190 &dev_attr_hci_version,
191 &dev_attr_hci_revision,
192 &dev_attr_inquiry_cache,
193 &dev_attr_idle_timeout,
194 &dev_attr_sniff_max_interval,
195 &dev_attr_sniff_min_interval,
196 NULL
199 static ssize_t show_conn_type(struct device *dev, struct device_attribute *attr, char *buf)
201 struct hci_conn *conn = dev_get_drvdata(dev);
202 return sprintf(buf, "%s\n", conn->type == ACL_LINK ? "ACL" : "SCO");
205 static ssize_t show_conn_address(struct device *dev, struct device_attribute *attr, char *buf)
207 struct hci_conn *conn = dev_get_drvdata(dev);
208 bdaddr_t bdaddr;
209 baswap(&bdaddr, &conn->dst);
210 return sprintf(buf, "%s\n", batostr(&bdaddr));
213 #define CONN_ATTR(_name,_mode,_show,_store) \
214 struct device_attribute conn_attr_##_name = __ATTR(_name,_mode,_show,_store)
216 static CONN_ATTR(type, S_IRUGO, show_conn_type, NULL);
217 static CONN_ATTR(address, S_IRUGO, show_conn_address, NULL);
219 static struct device_attribute *conn_attrs[] = {
220 &conn_attr_type,
221 &conn_attr_address,
222 NULL
225 struct class *bt_class = NULL;
226 EXPORT_SYMBOL_GPL(bt_class);
228 static struct bus_type bt_bus = {
229 .name = "bluetooth",
232 static struct platform_device *bt_platform;
234 static void bt_release(struct device *dev)
236 void *data = dev_get_drvdata(dev);
237 kfree(data);
240 static void add_conn(void *data)
242 struct hci_conn *conn = data;
243 int i;
245 if (device_register(&conn->dev) < 0) {
246 BT_ERR("Failed to register connection device");
247 return;
250 for (i = 0; conn_attrs[i]; i++)
251 if (device_create_file(&conn->dev, conn_attrs[i]) < 0)
252 BT_ERR("Failed to create connection attribute");
255 void hci_conn_add_sysfs(struct hci_conn *conn)
257 struct hci_dev *hdev = conn->hdev;
258 bdaddr_t *ba = &conn->dst;
260 BT_DBG("conn %p", conn);
262 conn->dev.bus = &bt_bus;
263 conn->dev.parent = &hdev->dev;
265 conn->dev.release = bt_release;
267 snprintf(conn->dev.bus_id, BUS_ID_SIZE,
268 "%s%2.2X%2.2X%2.2X%2.2X%2.2X%2.2X",
269 conn->type == ACL_LINK ? "acl" : "sco",
270 ba->b[5], ba->b[4], ba->b[3],
271 ba->b[2], ba->b[1], ba->b[0]);
273 dev_set_drvdata(&conn->dev, conn);
275 INIT_WORK(&conn->work, add_conn, (void *) conn);
277 schedule_work(&conn->work);
280 static void del_conn(void *data)
282 struct hci_conn *conn = data;
283 device_del(&conn->dev);
286 void hci_conn_del_sysfs(struct hci_conn *conn)
288 BT_DBG("conn %p", conn);
290 INIT_WORK(&conn->work, del_conn, (void *) conn);
292 schedule_work(&conn->work);
295 int hci_register_sysfs(struct hci_dev *hdev)
297 struct device *dev = &hdev->dev;
298 unsigned int i;
299 int err;
301 BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
303 dev->class = bt_class;
304 dev->parent = hdev->parent;
306 strlcpy(dev->bus_id, hdev->name, BUS_ID_SIZE);
308 dev->release = bt_release;
310 dev_set_drvdata(dev, hdev);
312 err = device_register(dev);
313 if (err < 0)
314 return err;
316 for (i = 0; bt_attrs[i]; i++)
317 if (device_create_file(dev, bt_attrs[i]) < 0)
318 BT_ERR("Failed to create device attribute");
320 return 0;
323 void hci_unregister_sysfs(struct hci_dev *hdev)
325 BT_DBG("%p name %s type %d", hdev, hdev->name, hdev->type);
327 device_del(&hdev->dev);
330 int __init bt_sysfs_init(void)
332 int err;
334 bt_platform = platform_device_register_simple("bluetooth", -1, NULL, 0);
335 if (IS_ERR(bt_platform))
336 return PTR_ERR(bt_platform);
338 err = bus_register(&bt_bus);
339 if (err < 0) {
340 platform_device_unregister(bt_platform);
341 return err;
344 bt_class = class_create(THIS_MODULE, "bluetooth");
345 if (IS_ERR(bt_class)) {
346 bus_unregister(&bt_bus);
347 platform_device_unregister(bt_platform);
348 return PTR_ERR(bt_class);
351 return 0;
354 void bt_sysfs_cleanup(void)
356 class_destroy(bt_class);
358 bus_unregister(&bt_bus);
360 platform_device_unregister(bt_platform);