gnab-rtl8812au/core/rtw_rf.c

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2013-11-19 20:24:49 +00:00
/******************************************************************************
*
* Copyright(c) 2007 - 2011 Realtek Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
*
*
******************************************************************************/
#define _RTW_RF_C_
#include <drv_types.h>
struct ch_freq {
u32 channel;
u32 frequency;
};
struct ch_freq ch_freq_map[] = {
{1, 2412},{2, 2417},{3, 2422},{4, 2427},{5, 2432},
{6, 2437},{7, 2442},{8, 2447},{9, 2452},{10, 2457},
{11, 2462},{12, 2467},{13, 2472},{14, 2484},
/* UNII */
{36, 5180},{40, 5200},{44, 5220},{48, 5240},{52, 5260},
{56, 5280},{60, 5300},{64, 5320},{149, 5745},{153, 5765},
{157, 5785},{161, 5805},{165, 5825},{167, 5835},{169, 5845},
{171, 5855},{173, 5865},
/* HiperLAN2 */
{100, 5500},{104, 5520},{108, 5540},{112, 5560},{116, 5580},
{120, 5600},{124, 5620},{128, 5640},{132, 5660},{136, 5680},
{140, 5700},
/* Japan MMAC */
{34, 5170},{38, 5190},{42, 5210},{46, 5230},
/* Japan */
{184, 4920},{188, 4940},{192, 4960},{196, 4980},
{208, 5040},/* Japan, means J08 */
{212, 5060},/* Japan, means J12 */
{216, 5080},/* Japan, means J16 */
};
int ch_freq_map_num = (sizeof(ch_freq_map) / sizeof(struct ch_freq));
u32 rtw_ch2freq(u32 channel)
{
u8 i;
u32 freq = 0;
for (i = 0; i < ch_freq_map_num; i++)
{
if (channel == ch_freq_map[i].channel)
{
freq = ch_freq_map[i].frequency;
break;
}
}
if (i == ch_freq_map_num)
freq = 2412;
return freq;
}
u32 rtw_freq2ch(u32 freq)
{
u8 i;
u32 ch = 0;
for (i = 0; i < ch_freq_map_num; i++)
{
if (freq == ch_freq_map[i].frequency)
{
ch = ch_freq_map[i].channel;
break;
}
}
if (i == ch_freq_map_num)
ch = 1;
return ch;
}