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wifi: rtw89: coex: Add Bluetooth RSSI level information

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In order to control RF LNA setting, need Bluetooth RSSI level information.
RSSI level separate Bluetooth RSSI to several level, so the mechanism can
assign a corresponding setting.

Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20231218061341.51255-9-pkshih@realtek.com
This commit is contained in:
Ching-Te Ku 2023-12-18 14:13:38 +08:00 committed by Kalle Valo
parent 0c1829dc7a
commit 221a72f738
2 changed files with 36 additions and 2 deletions
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37
drivers/net/wireless/realtek/rtw89/coex.c
View File

@ -5761,6 +5761,37 @@ void rtw89_btc_ntfy_icmp_packet_work(struct work_struct *work)
mutex_unlock(&rtwdev->mutex);
}
static u8 _update_bt_rssi_level(struct rtw89_dev *rtwdev, u8 rssi)
{
const struct rtw89_chip_info *chip = rtwdev->chip;
struct rtw89_btc *btc = &rtwdev->btc;
struct rtw89_btc_bt_info *bt = &btc->cx.bt;
u8 *rssi_st, rssi_th, rssi_level = 0;
u8 i;
/* for rssi locate in which {40, 36, 31, 28}
* if rssi >= 40% (-60dBm) --> rssi_level = 4
* if 36% <= rssi < 40% --> rssi_level = 3
* if 31% <= rssi < 36% --> rssi_level = 2
* if 28% <= rssi < 31% --> rssi_level = 1
* if rssi < 28% --> rssi_level = 0
*/
/* check if rssi across bt_rssi_thres boundary */
for (i = 0; i < BTC_BT_RSSI_THMAX; i++) {
rssi_th = chip->bt_rssi_thres[i];
rssi_st = &bt->link_info.rssi_state[i];
*rssi_st = _update_rssi_state(rtwdev, *rssi_st, rssi, rssi_th);
if (BTC_RSSI_HIGH(*rssi_st)) {
rssi_level = BTC_BT_RSSI_THMAX - i;
break;
}
}
return rssi_level;
}
#define BT_PROFILE_PROTOCOL_MASK GENMASK(7, 4)
static void _update_bt_info(struct rtw89_dev *rtwdev, u8 *buf, u32 len)
@ -5836,7 +5867,8 @@ static void _update_bt_info(struct rtw89_dev *rtwdev, u8 *buf, u32 len)
btinfo.val = bt->raw_info[BTC_BTINFO_H0];
/* raw val is dBm unit, translate from -100~ 0dBm to 0~100%*/
b->rssi = chip->ops->btc_get_bt_rssi(rtwdev, btinfo.hb0.rssi);
btc->dm.trx_info.bt_rssi = b->rssi;
bt->rssi_level = _update_bt_rssi_level(rtwdev, b->rssi);
btc->dm.trx_info.bt_rssi = bt->rssi_level;
/* parse raw info high-Byte1 */
btinfo.val = bt->raw_info[BTC_BTINFO_H1];
@ -6686,8 +6718,9 @@ static void _show_bt_info(struct rtw89_dev *rtwdev, struct seq_file *m)
bt_linfo->pan_desc.active ? "Y" : "N");
seq_printf(m,
" %-15s : rssi:%ddBm, tx_rate:%dM, %s%s%s",
" %-15s : rssi:%ddBm(lvl:%d), tx_rate:%dM, %s%s%s",
"[link]", bt_linfo->rssi - 100,
bt->rssi_level,
bt_linfo->tx_3m ? 3 : 2,
bt_linfo->status.map.inq_pag ? " inq-page!!" : "",
bt_linfo->status.map.acl_busy ? " acl_busy!!" : "",

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

@ -1814,6 +1814,7 @@ struct rtw89_btc_bt_info {
union rtw89_btc_bt_rfk_info_map rfk_info;
u8 raw_info[BTC_BTINFO_MAX]; /* raw bt info from mailbox */
u8 rssi_level;
u32 scbd;
u32 feature;