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authorIvo van Doorn <IvDoorn@gmail.com>2007-05-07 00:34:20 -0700
committerDavid S. Miller <davem@davemloft.net>2007-05-07 00:34:20 -0700
commitcf4328cd949c2086091c62c5685f1580fe9b55e4 (patch)
treebd9d96f1c99910076b6f5f34cd5cd2da30405ef1 /include/linux/rfkill.h
parent2396a22e0989df6038996506bfbf7a57f116c299 (diff)
[NET]: rfkill: add support for input key to control wireless radio
The RF kill patch that provides infrastructure for implementing switches controlling radio states on various network and other cards. [dtor@insightbb.com: address review comments] [akpm@linux-foundation.org: cleanups, build fixes] Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/rfkill.h')
-rw-r--r--include/linux/rfkill.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/include/linux/rfkill.h b/include/linux/rfkill.h
new file mode 100644
index 00000000000..7c1ffbab786
--- /dev/null
+++ b/include/linux/rfkill.h
@@ -0,0 +1,89 @@
+#ifndef __RFKILL_H
+#define __RFKILL_H
+
+/*
+ * Copyright (C) 2006 Ivo van Doorn
+ * Copyright (C) 2007 Dmitry Torokhov
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/mutex.h>
+#include <linux/device.h>
+
+/**
+ * enum rfkill_type - type of rfkill switch.
+ * RFKILL_TYPE_WLAN: switch is no a Wireless network devices.
+ * RFKILL_TYPE_BlUETOOTH: switch is on a bluetooth device.
+ * RFKILL_TYPE_IRDA: switch is on an infrared devices.
+ */
+enum rfkill_type {
+ RFKILL_TYPE_WLAN = 0,
+ RFKILL_TYPE_BLUETOOTH = 1,
+ RFKILL_TYPE_IRDA = 2,
+ RFKILL_TYPE_MAX = 3,
+};
+
+enum rfkill_state {
+ RFKILL_STATE_OFF = 0,
+ RFKILL_STATE_ON = 1,
+};
+
+/**
+ * struct rfkill - rfkill control structure.
+ * @name: Name of the switch.
+ * @type: Radio type which the button controls, the value stored
+ * here should be a value from enum rfkill_type.
+ * @state: State of the switch (on/off).
+ * @user_claim: Set when the switch is controlled exlusively by userspace.
+ * @mutex: Guards switch state transitions
+ * @data: Pointer to the RF button drivers private data which will be
+ * passed along when toggling radio state.
+ * @toggle_radio(): Mandatory handler to control state of the radio.
+ * @dev: Device structure integrating the switch into device tree.
+ * @node: Used to place switch into list of all switches known to the
+ * the system.
+ *
+ * This structure represents a RF switch located on a network device.
+ */
+struct rfkill {
+ char *name;
+ enum rfkill_type type;
+
+ enum rfkill_state state;
+ bool user_claim;
+
+ struct mutex mutex;
+
+ void *data;
+ int (*toggle_radio)(void *data, enum rfkill_state state);
+
+ struct device dev;
+ struct list_head node;
+};
+#define to_rfkill(d) container_of(d, struct rfkill, dev)
+
+struct rfkill *rfkill_allocate(struct device *parent, enum rfkill_type type);
+void rfkill_free(struct rfkill *rfkill);
+int rfkill_register(struct rfkill *rfkill);
+void rfkill_unregister(struct rfkill *rfkill);
+
+void rfkill_switch_all(enum rfkill_type type, enum rfkill_state state);
+
+#endif /* RFKILL_H */