summaryrefslogtreecommitdiff
path: root/target/linux/s3c24xx/files-2.6.30/drivers/ar6000/wlan/wlan_utils.c
diff options
context:
space:
mode:
authorlars <lars@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-05-18 17:55:41 +0000
committerlars <lars@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-05-18 17:55:41 +0000
commitfb189822fcab111e55d1c7e83c482dc2c144500a (patch)
treedd10e61f382ace3afbe40af3af8238757cf5e3d0 /target/linux/s3c24xx/files-2.6.30/drivers/ar6000/wlan/wlan_utils.c
parentc5f7c391b56bb88e21895f0fc9310cd0919e8d0c (diff)
[s3c24xx] bump to 2.6.30-rc6
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15918 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/s3c24xx/files-2.6.30/drivers/ar6000/wlan/wlan_utils.c')
-rw-r--r--target/linux/s3c24xx/files-2.6.30/drivers/ar6000/wlan/wlan_utils.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/files-2.6.30/drivers/ar6000/wlan/wlan_utils.c b/target/linux/s3c24xx/files-2.6.30/drivers/ar6000/wlan/wlan_utils.c
new file mode 100644
index 0000000000..fd5aac90e6
--- /dev/null
+++ b/target/linux/s3c24xx/files-2.6.30/drivers/ar6000/wlan/wlan_utils.c
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2004-2005 Atheros Communications Inc.
+ * All rights reserved.
+ *
+ * This module implements frequently used wlan utilies
+ *
+ * $Id: //depot/sw/releases/olca2.0-GPL/host/wlan/src/wlan_utils.c#1 $
+ *
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ *
+ *
+ */
+
+#include <a_config.h>
+#include <athdefs.h>
+#include <a_types.h>
+#include <a_osapi.h>
+
+/*
+ * converts ieee channel number to frequency
+ */
+A_UINT16
+wlan_ieee2freq(int chan)
+{
+ if (chan == 14) {
+ return 2484;
+ }
+ if (chan < 14) { /* 0-13 */
+ return (2407 + (chan*5));
+ }
+ if (chan < 27) { /* 15-26 */
+ return (2512 + ((chan-15)*20));
+ }
+ return (5000 + (chan*5));
+}
+
+/*
+ * Converts MHz frequency to IEEE channel number.
+ */
+A_UINT32
+wlan_freq2ieee(A_UINT16 freq)
+{
+ if (freq == 2484)
+ return 14;
+ if (freq < 2484)
+ return (freq - 2407) / 5;
+ if (freq < 5000)
+ return 15 + ((freq - 2512) / 20);
+ return (freq - 5000) / 5;
+}