github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-02 19:43:40 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

wifi: rtw89: enable dynamic antenna gain based on country

Browse Source 
The dynamic antenna gain (DAG) considers the country, meaning DAG can
be activated only when countries and regulatory domains allow it.

Signed-off-by: Kuan-Chung Chen <damon.chen@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250306021144.12854-4-pkshih@realtek.com
This commit is contained in:
Kuan-Chung Chen 2025-03-06 10:11:42 +08:00 committed by Ping-Ke Shih
parent 8ef675fc79
commit 9c225e1198
3 changed files with 23 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/net/wireless/realtek/rtw89/core.h
View File

@ -4666,6 +4666,7 @@ enum rtw89_ant_gain_domain_type {
struct rtw89_ant_gain_info {
s8 offset[RTW89_ANT_GAIN_CHAIN_NUM][RTW89_ANT_GAIN_SUBBAND_NR];
u32 regd_enabled;
bool block_country;
};
struct rtw89_6ghz_span {

11
drivers/net/wireless/realtek/rtw89/phy.c
View File

@ -2044,7 +2044,7 @@ static s8 rtw89_phy_ant_gain_offset(struct rtw89_dev *rtwdev, u8 band, u32 cente
if (!chip->support_ant_gain)
return 0;
if (!(ant_gain->regd_enabled & BIT(regd)))
if (ant_gain->block_country || !(ant_gain->regd_enabled & BIT(regd)))
return 0;
offset_patha = rtw89_phy_ant_gain_query(rtwdev, RF_PATH_A, center_freq);
@ -2057,10 +2057,14 @@ s16 rtw89_phy_ant_gain_pwr_offset(struct rtw89_dev *rtwdev,
const struct rtw89_chan *chan)
{
struct rtw89_ant_gain_info *ant_gain = &rtwdev->ant_gain;
const struct rtw89_chip_info *chip = rtwdev->chip;
u8 regd = rtw89_regd_get(rtwdev, chan->band_type);
s8 offset_patha, offset_pathb;
if (!(ant_gain->regd_enabled & BIT(regd)))
if (!chip->support_ant_gain)
return 0;
if (ant_gain->block_country || !(ant_gain->regd_enabled & BIT(regd)))
return 0;
offset_patha = rtw89_phy_ant_gain_query(rtwdev, RF_PATH_A, chan->freq);
@ -2079,7 +2083,8 @@ int rtw89_print_ant_gain(struct rtw89_dev *rtwdev, char *buf, size_t bufsz,
char *p = buf, *end = buf + bufsz;
s8 offset_patha, offset_pathb;
if (!chip->support_ant_gain || !(ant_gain->regd_enabled & BIT(regd))) {
if (!(chip->support_ant_gain && (ant_gain->regd_enabled & BIT(regd))) ||
ant_gain->block_country) {
p += scnprintf(p, end - p, "no DAG is applied\n");
goto out;
}

14
drivers/net/wireless/realtek/rtw89/regd.c
View File

@ -733,6 +733,19 @@ static void rtw89_regd_apply_policy_tas(struct rtw89_dev *rtwdev)
tas->block_regd = !test_bit(RTW89_REGD_FUNC_TAS, regd->func_bitmap);
}
static void rtw89_regd_apply_policy_ant_gain(struct rtw89_dev *rtwdev)
{
struct rtw89_regulatory_info *regulatory = &rtwdev->regulatory;
struct rtw89_ant_gain_info *ant_gain = &rtwdev->ant_gain;
const struct rtw89_chip_info *chip = rtwdev->chip;
const struct rtw89_regd *regd = regulatory->regd;
if (!chip->support_ant_gain)
return;
ant_gain->block_country = !test_bit(RTW89_REGD_FUNC_DAG, regd->func_bitmap);
}
static void rtw89_regd_notifier_apply(struct rtw89_dev *rtwdev,
struct wiphy *wiphy,
struct regulatory_request *request)
@ -751,6 +764,7 @@ static void rtw89_regd_notifier_apply(struct rtw89_dev *rtwdev,
rtw89_regd_apply_policy_unii4(rtwdev, wiphy);
rtw89_regd_apply_policy_6ghz(rtwdev, wiphy);
rtw89_regd_apply_policy_tas(rtwdev);
rtw89_regd_apply_policy_ant_gain(rtwdev);
}
static