diff options
| author | Ching-Te Ku <ku920601@realtek.com> | 2020-11-12 11:14:20 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-11-24 11:16:17 +0200 |
| commit | 7ed9e062178ddb7c630fbdc698f3718345dcb39b (patch) | |
| tree | c03bae290a4c2c26dcaf1efbfb7f47c592c0adc6 /drivers/net/wireless/realtek/rtw88/coex.c | |
| parent | 760bb2abfef252a0a2bed5aba2f4ab56dec50b72 (diff) | |
rtw88: coex: update TDMA settings for different beacon interval
Add considering for different WLAN beacon interval in coexistence
mechanism.
Because the WLAN beacon period may be not 100 ms, so it's necessary
to consider any beacon period and set timer according to the interval.
Signed-off-by: Ching-Te Ku <ku920601@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20201112031430.4846-2-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/coex.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/coex.c | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/coex.c b/drivers/net/wireless/realtek/rtw88/coex.c index 61e91565cd7d..50df2e1b4842 100644 --- a/drivers/net/wireless/realtek/rtw88/coex.c +++ b/drivers/net/wireless/realtek/rtw88/coex.c @@ -225,6 +225,8 @@ static void rtw_coex_tdma_timer_base(struct rtw_dev *rtwdev, u8 type) struct rtw_coex *coex = &rtwdev->coex; struct rtw_coex_stat *coex_stat = &coex->stat; u8 para[2] = {0}; + u8 times; + u16 tbtt_interval = coex_stat->wl_beacon_interval; if (coex_stat->tdma_timer_base == type) return; @@ -233,10 +235,27 @@ static void rtw_coex_tdma_timer_base(struct rtw_dev *rtwdev, u8 type) para[0] = COEX_H2C69_TDMA_SLOT; - if (type == 3) /* 4-slot */ + rtw_dbg(rtwdev, RTW_DBG_COEX, "[BTCoex], tbtt_interval = %d\n", + tbtt_interval); + + if (type == TDMA_TIMER_TYPE_4SLOT) { para[1] = PARA1_H2C69_TDMA_4SLOT; /* 4-slot */ - else /* 2-slot */ + } else if (tbtt_interval < 80 && tbtt_interval > 0) { + times = 100 / tbtt_interval; + if (100 % tbtt_interval != 0) + times++; + + para[1] = FIELD_PREP(PARA1_H2C69_TBTT_TIMES, times); + } else if (tbtt_interval >= 180) { + times = tbtt_interval / 100; + if (tbtt_interval % 100 <= 80) + times--; + + para[1] = FIELD_PREP(PARA1_H2C69_TBTT_TIMES, times) | + FIELD_PREP(PARA1_H2C69_TBTT_DIV100, 1); + } else { para[1] = PARA1_H2C69_TDMA_2SLOT; + } rtw_fw_bt_wifi_control(rtwdev, para[0], ¶[1]); @@ -973,9 +992,9 @@ static void rtw_coex_tdma(struct rtw_dev *rtwdev, bool force, u32 tcase) bool wl_busy = false; if (tcase & TDMA_4SLOT)/* 4-slot (50ms) mode */ - rtw_coex_tdma_timer_base(rtwdev, 3); + rtw_coex_tdma_timer_base(rtwdev, TDMA_TIMER_TYPE_4SLOT); else - rtw_coex_tdma_timer_base(rtwdev, 0); + rtw_coex_tdma_timer_base(rtwdev, TDMA_TIMER_TYPE_2SLOT); type = (u8)(tcase & 0xff); |