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rtl8812au/core/rtw_rf.c

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/******************************************************************************
*
* 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>
#include <hal_data.h>
u8 center_ch_5g_all[CENTER_CH_5G_ALL_NUM] = {
36, 38, 40, 42, 44, 46, 48, /* Band 1 */
52, 54, 56, 58, 60, 62, 64, /* Band 2 */
100, 102, 104, 106, 108, 110, 112, /* Band 3 */
116, 118, 120, 122, 124, 126, 128, /* Band 3 */
132, 134, 136, 138, 140, 142, 144, /* Band 3 */
149, 151, 153, 155, 157, 159, 161, /* Band 4 */
165, 167, 169, 171, 173, 175, 177}; /* Band 4 */
u8 center_ch_5g_20m[CENTER_CH_5G_20M_NUM] = {
36, 40, 44, 48,
52, 56, 60, 64,
100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140, 144,
149, 153, 157, 161, 165, 169, 173, 177
};
u8 center_ch_5g_40m[CENTER_CH_5G_40M_NUM] = {38, 46, 54, 62, 102, 110, 118, 126, 134, 142, 151, 159, 167, 175};
u8 center_ch_5g_80m[CENTER_CH_5G_80M_NUM] = {42, 58, 106, 122, 138, 155, 171};
struct center_chs_ent {
u8 ch_num;
u8 *chs;
};
struct center_chs_ent center_chs_5g_by_bw[] = {
{CENTER_CH_5G_20M_NUM, center_ch_5g_20m},
{CENTER_CH_5G_40M_NUM, center_ch_5g_40m},
{CENTER_CH_5G_80M_NUM, center_ch_5g_80m},
};
inline u8 center_chs_5g_num(u8 bw)
{
if (bw >= CHANNEL_WIDTH_160)
return 0;
return center_chs_5g_by_bw[bw].ch_num;
}
inline u8 center_chs_5g(u8 bw, u8 id)
{
if (bw >= CHANNEL_WIDTH_160)
return 0;
if (id >= center_chs_5g_num(bw))
return 0;
return center_chs_5g_by_bw[bw].chs[id];
}
int rtw_ch2freq(int chan)
{
/* see 802.11 17.3.8.3.2 and Annex J
* there are overlapping channel numbers in 5GHz and 2GHz bands */
/*
* RTK: don't consider the overlapping channel numbers: 5G channel <= 14,
* because we don't support it. simply judge from channel number
*/
if (chan >= 1 && chan <= 14) {
if (chan == 14)
return 2484;
else if (chan < 14)
return 2407 + chan * 5;
} else if (chan >= 36 && chan <= 177) {
return 5000 + chan * 5;
}
return 0; /* not supported */
}
int rtw_freq2ch(int freq)
{
/* see 802.11 17.3.8.3.2 and Annex J */
if (freq == 2484)
return 14;
else if (freq < 2484)
return (freq - 2407) / 5;
else if (freq >= 4910 && freq <= 4980)
return (freq - 4000) / 5;
else if (freq <= 45000) /* DMG band lower limit */
return (freq - 5000) / 5;
else if (freq >= 58320 && freq <= 64800)
return (freq - 56160) / 2160;
else
return 0;
}
bool rtw_chbw_to_freq_range(u8 ch, u8 bw, u8 offset, u32 *hi, u32 *lo)
{
u8 c_ch;
u32 freq;
u32 hi_ret = 0, lo_ret = 0;
int i;
bool valid = _FALSE;
if (hi)
*hi = 0;
if (lo)
*lo = 0;
c_ch = rtw_get_center_ch(ch, bw, offset);
freq = rtw_ch2freq(c_ch);
if (!freq) {
rtw_warn_on(1);
goto exit;
}
if (bw == CHANNEL_WIDTH_80) {
hi_ret = freq + 40;
lo_ret = freq - 40;
} else if (bw == CHANNEL_WIDTH_40) {
hi_ret = freq + 20;
lo_ret = freq - 20;
} else if (bw == CHANNEL_WIDTH_20) {
hi_ret = freq + 10;
lo_ret = freq - 10;
} else {
rtw_warn_on(1);
}
if (hi)
*hi = hi_ret;
if (lo)
*lo = lo_ret;
valid = _TRUE;
exit:
return valid;
}
const char * const _ch_width_str[] = {
"20MHz",
"40MHz",
"80MHz",
"160MHz",
"80_80MHz",
"CHANNEL_WIDTH_MAX",
};
const u8 _ch_width_to_bw_cap[] = {
BW_CAP_20M,
BW_CAP_40M,
BW_CAP_80M,
BW_CAP_160M,
BW_CAP_80_80M,
0,
};
const char * const _band_str[] = {
"2.4G",
"5G",
"BOTH",
"BAND_MAX",
};
const u8 _band_to_band_cap[] = {
BAND_CAP_2G,
BAND_CAP_5G,
0,
0,
};
struct country_chplan {
char alpha2[2];
u8 chplan;
};
static const struct country_chplan country_chplan_map[] = {
{"AD", 0x26}, /* Andorra */
{"AE", 0x26}, /* United Arab Emirates */
{"AG", 0x30}, /* Antigua & Barbuda */
{"AI", 0x26}, /* Anguilla(UK) */
{"AL", 0x26}, /* Albania */
{"AM", 0x34}, /* Armenia */
{"AO", 0x26}, /* Angola */
{"AQ", 0x26}, /* Antarctica */
{"AR", 0x57}, /* Argentina */
{"AS", 0x34}, /* American Samoa */
{"AT", 0x26}, /* Austria */
{"AU", 0x45}, /* Australia */
{"AW", 0x34}, /* Aruba */
{"AZ", 0x26}, /* Azerbaijan */
{"BA", 0x26}, /* Bosnia & Herzegovina */
{"BD", 0x26}, /* Bangladesh */
{"BE", 0x26}, /* Belgium */
{"BG", 0x26}, /* Bulgaria */
{"BH", 0x47}, /* Bahrain */
{"BO", 0x30}, /* Bolivia */
{"BR", 0x34}, /* Brazil */
{"CA", 0x34}, /* Canada */
{"CH", 0x26}, /* Switzerland */
{"CL", 0x30}, /* Chile */
{"CN", 0x48}, /* China */
{"CO", 0x34}, /* Colombia */
{"CR", 0x34}, /* Costa Rica */
{"CY", 0x26}, /* Cyprus */
{"CZ", 0x26}, /* Czech Republic */
{"DE", 0x26}, /* Germany */
{"DK", 0x26}, /* Denmark */
{"DO", 0x34}, /* Dominican Republic */
{"EC", 0x34}, /* Ecuador */
{"EE", 0x26}, /* Estonia */
{"EG", 0x47}, /* Egypt */
{"ES", 0x26}, /* Spain */
{"FI", 0x26}, /* Finland */
{"FR", 0x26}, /* France */
{"GB", 0x26}, /* Great Britain (United Kingdom; England) */
{"GH", 0x26}, /* Ghana */
{"GR", 0x26}, /* Greece */
{"GT", 0x34}, /* Guatemala */
{"HK", 0x26}, /* Hong Kong */
{"HN", 0x32}, /* Honduras */
{"HR", 0x26}, /* Croatia */
{"HU", 0x26}, /* Hungary */
{"ID", 0x54}, /* Indonesia */
{"IE", 0x26}, /* Ireland */
{"IL", 0x47}, /* Israel */
{"IN", 0x47}, /* India */
{"IQ", 0x26}, /* Iraq */
{"IS", 0x26}, /* Iceland */
{"IT", 0x26}, /* Italy */
{"JM", 0x51}, /* Jamaica */
{"JO", 0x49}, /* Jordan */
{"JP", 0x27}, /* Japan- Telec */
{"KE", 0x47}, /* Kenya */
{"KG", 0x26}, /* Kyrgyzstan */
{"KH", 0x26}, /* Cambodia */
{"KR", 0x28}, /* South Korea */
{"KW", 0x47}, /* Kuwait */
{"KZ", 0x26}, /* Kazakhstan */
{"LB", 0x26}, /* Lebanon */
{"LI", 0x26}, /* Liechtenstein */
{"LK", 0x26}, /* Sri Lanka */
{"LS", 0x26}, /* Lesotho */
{"LT", 0x26}, /* Lithuania */
{"LU", 0x26}, /* Luxembourg */
{"LV", 0x26}, /* Latvia */
{"MA", 0x47}, /* Morocco */
{"MC", 0x26}, /* Monaco */
{"ME", 0x26}, /* Montenegro */
{"MK", 0x26}, /* Republic of Macedonia (FYROM) */
{"MT", 0x26}, /* Malta */
{"MX", 0x34}, /* Mexico */
{"MY", 0x47}, /* Malaysia */
{"MZ", 0x26}, /* Mozambique */
{"NA", 0x26}, /* Namibia */
{"NG", 0x50}, /* Nigeria */
{"NI", 0x34}, /* Nicaragua */
{"NL", 0x26}, /* Netherlands */
{"NO", 0x26}, /* Norway */
{"NZ", 0x45}, /* New Zealand */
{"OM", 0x26}, /* Oman */
{"PA", 0x34}, /* Panama */
{"PE", 0x34}, /* Peru */
{"PG", 0x26}, /* Papua New Guinea */
{"PH", 0x26}, /* Philippines */
{"PK", 0x51}, /* Pakistan */
{"PL", 0x26}, /* Poland */
{"PR", 0x34}, /* Puerto Rico */
{"PT", 0x26}, /* Portugal */
{"PY", 0x34}, /* Paraguay */
{"QA", 0x51}, /* Qatar */
{"RO", 0x26}, /* Romania */
{"RS", 0x26}, /* Serbia */
{"RU", 0x59}, /* Russia, fac/gost */
{"SA", 0x26}, /* Saudi Arabia */
{"SE", 0x26}, /* Sweden */
{"SG", 0x47}, /* Singapore */
{"SI", 0x26}, /* Slovenia */
{"SK", 0x26}, /* Slovakia */
{"SN", 0x26}, /* Senegal */
{"SV", 0x30}, /* El Salvador */
{"TH", 0x26}, /* Thailand */
{"TN", 0x47}, /* Tunisia */
{"TR", 0x26}, /* Turkey */
{"TT", 0x42}, /* Trinidad & Tobago */
{"TW", 0x39}, /* Taiwan */
{"UA", 0x26}, /* Ukraine */
{"US", 0x34}, /* United States of America (USA) */
{"UY", 0x34}, /* Uruguay */
{"VE", 0x30}, /* Venezuela */
{"VN", 0x26}, /* Vietnam */
{"YE", 0x26}, /* Yemen */
{"ZA", 0x26}, /* South Africa */
{"ZW", 0x26}, /* Zimbabwe */
};
u16 country_chplan_map_sz = sizeof(country_chplan_map)/sizeof(struct country_chplan);
/*
* rtw_get_chplan_from_country -
* @country_code: string of country code
*
* Return channel_plan index or -1 when unsupported country_code is given
*/
int rtw_get_chplan_from_country(const char *country_code)
{
int channel_plan = -1;
int i;
/* TODO: should consider 3-character country code? */
for (i = 0; i < country_chplan_map_sz; i++) {
if (strncmp(country_code, country_chplan_map[i].alpha2, 2) == 0) {
channel_plan = country_chplan_map[i].chplan;
break;
}
}
return channel_plan;
}
int rtw_ch_to_bb_gain_sel(int ch)
{
int sel = -1;
if (ch >= 1 && ch <= 14)
sel = BB_GAIN_2G;
#ifdef CONFIG_IEEE80211_BAND_5GHZ
else if (ch >= 36 && ch < 48)
sel = BB_GAIN_5GLB1;
else if (ch >= 52 && ch <= 64)
sel = BB_GAIN_5GLB2;
else if (ch >= 100 && ch <= 120)
sel = BB_GAIN_5GMB1;
else if (ch >= 124 && ch <= 144)
sel = BB_GAIN_5GMB2;
else if (ch >= 149 && ch <= 177)
sel = BB_GAIN_5GHB;
#endif
return sel;
}
s8 rtw_rf_get_kfree_tx_gain_offset(_adapter *padapter, u8 path, u8 ch)
{
s8 kfree_offset = 0;
#ifdef CONFIG_RF_GAIN_OFFSET
HAL_DATA_TYPE *hal_data = GET_HAL_DATA(padapter);
struct kfree_data_t *kfree_data = GET_KFREE_DATA(padapter);
s8 bb_gain_sel = rtw_ch_to_bb_gain_sel(ch);
if (bb_gain_sel < BB_GAIN_2G || bb_gain_sel >= BB_GAIN_NUM) {
rtw_warn_on(1);
goto exit;
}
if (kfree_data->flag & KFREE_FLAG_ON) {
kfree_offset = kfree_data->bb_gain[bb_gain_sel][path];
if (1)
DBG_871X("%s path:%u, ch:%u, bb_gain_sel:%d, kfree_offset:%d\n"
, __func__, path, ch, bb_gain_sel, kfree_offset);
}
exit:
#endif /* CONFIG_RF_GAIN_OFFSET */
return kfree_offset;
}
void rtw_rf_set_tx_gain_offset(_adapter *adapter, u8 path, s8 offset)
{
u8 write_value;
DBG_871X("kfree gain_offset 0x55:0x%x ", rtw_hal_read_rfreg(adapter, path, 0x55, 0xffffffff));
switch (rtw_get_chip_type(adapter)) {
#ifdef CONFIG_RTL8703B
case RTL8703B:
write_value = RF_TX_GAIN_OFFSET_8703B(offset);
rtw_hal_write_rfreg(adapter, path, 0x55, 0x0fc000, write_value);
break;
#endif /* CONFIG_RTL8703B */
#ifdef CONFIG_RTL8188F
case RTL8188F:
write_value = RF_TX_GAIN_OFFSET_8188F(offset);
rtw_hal_write_rfreg(adapter, path, 0x55, 0x0fc000, write_value);
break;
#endif /* CONFIG_RTL8188F */
#ifdef CONFIG_RTL8192E
case RTL8192E:
write_value = RF_TX_GAIN_OFFSET_8192E(offset);
rtw_hal_write_rfreg(adapter, path, 0x55, 0x0f8000, write_value);
break;
#endif /* CONFIG_RTL8188F */
#ifdef CONFIG_RTL8821A
case RTL8821:
write_value = RF_TX_GAIN_OFFSET_8821A(offset);
rtw_hal_write_rfreg(adapter, path, 0x55, 0x0f8000, write_value);
break;
#endif /* CONFIG_RTL8821A */
#ifdef CONFIG_RTL8814A
case RTL8814A:
DBG_871X("\nkfree by PhyDM on the sw CH. path %d\n", path);
break;
#endif /* CONFIG_RTL8821A */
default:
rtw_warn_on(1);
break;
}
DBG_871X(" after :0x%x\n", rtw_hal_read_rfreg(adapter, path, 0x55, 0xffffffff));
}
void rtw_rf_apply_tx_gain_offset(_adapter *adapter, u8 ch)
{
HAL_DATA_TYPE *hal_data = GET_HAL_DATA(adapter);
s8 kfree_offset = 0;
s8 tx_pwr_track_offset = 0; /* TODO: 8814A should consider tx pwr track when setting tx gain offset */
s8 total_offset;
int i;
for (i = 0; i < hal_data->NumTotalRFPath; i++) {
kfree_offset = rtw_rf_get_kfree_tx_gain_offset(adapter, i, ch);
total_offset = kfree_offset + tx_pwr_track_offset;
rtw_rf_set_tx_gain_offset(adapter, i, total_offset);
}
}
bool rtw_is_dfs_range(u32 hi, u32 lo)
{
return rtw_is_range_overlap(hi, lo, 5720 + 10, 5260 - 10)?_TRUE:_FALSE;
}
bool rtw_is_dfs_ch(u8 ch, u8 bw, u8 offset)
{
u32 hi, lo;
if (rtw_chbw_to_freq_range(ch, bw, offset, &hi, &lo) == _FALSE)
return _FALSE;
return rtw_is_dfs_range(hi, lo)?_TRUE:_FALSE;
}
bool rtw_is_long_cac_range(u32 hi, u32 lo)
{
return rtw_is_range_overlap(hi, lo, 5660 + 10, 5600 - 10)?_TRUE:_FALSE;
}
bool rtw_is_long_cac_ch(u8 ch, u8 bw, u8 offset)
{
u32 hi, lo;
if (rtw_chbw_to_freq_range(ch, bw, offset, &hi, &lo) == _FALSE)
return _FALSE;
return rtw_is_long_cac_range(hi, lo)?_TRUE:_FALSE;
}
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