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author | Lars-Peter Clausen <lars@metafoo.de> | 2009-09-21 18:29:46 +0000 |
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committer | Lars-Peter Clausen <lars@metafoo.de> | 2009-09-21 18:29:46 +0000 |
commit | 051f910a3af582917293a365637d9eb061bf6eb3 (patch) | |
tree | c656b15f93b7b083730061833ec95619662ce47a /target/linux/s3c24xx/files-2.6.31/drivers/ar6000/wlan/wlan_utils.c | |
parent | 2ea33128818c503add1f51d48c532f3b557fa416 (diff) | |
download | master-187ad058-051f910a3af582917293a365637d9eb061bf6eb3.tar.gz master-187ad058-051f910a3af582917293a365637d9eb061bf6eb3.tar.bz2 master-187ad058-051f910a3af582917293a365637d9eb061bf6eb3.zip |
[s3c24xx] Add 2.6.31 patches
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17665 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/s3c24xx/files-2.6.31/drivers/ar6000/wlan/wlan_utils.c')
-rw-r--r-- | target/linux/s3c24xx/files-2.6.31/drivers/ar6000/wlan/wlan_utils.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/files-2.6.31/drivers/ar6000/wlan/wlan_utils.c b/target/linux/s3c24xx/files-2.6.31/drivers/ar6000/wlan/wlan_utils.c new file mode 100644 index 0000000000..fd5aac90e6 --- /dev/null +++ b/target/linux/s3c24xx/files-2.6.31/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; +} |