diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2020-05-04 18:50:08 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2020-05-06 11:34:50 +0300 |
| commit | 439d4a978d4883695d41c38d856676f3a0a806ba (patch) | |
| tree | 0e7295a9b34249ca79a1841d6321906ac5650f04 /drivers/net/wireless/realtek/rtw88/rtw8723d.c | |
| parent | 3ac14439152d88435acd93a74b2dd9715abae42c (diff) | |
rtw88: 8723d: Add chip_ops::false_alarm_statistics
This ops is used to do statistics of false alarm periodically, and then
fine tune RX initial gain to adaptive different circumstance.
There are three steps, hold/get/reset counter, to retrieve false alarm
counters that consist of CCK and OFDM. In addition to false alarm
counters, it also collects CRC ok/error counters of CCK, OFDM and HT.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200504105010.10780-7-yhchuang@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/rtw8723d.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/rtw8723d.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.c b/drivers/net/wireless/realtek/rtw88/rtw8723d.c index 6fe7596d6a11..2f98e58396b0 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8723d.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8723d.c @@ -539,6 +539,70 @@ static void rtw8723d_efuse_grant(struct rtw_dev *rtwdev, bool on) } } +static void rtw8723d_false_alarm_statistics(struct rtw_dev *rtwdev) +{ + struct rtw_dm_info *dm_info = &rtwdev->dm_info; + u32 cck_fa_cnt; + u32 ofdm_fa_cnt; + u32 crc32_cnt; + u32 val32; + + /* hold counter */ + rtw_write32_mask(rtwdev, REG_OFDM_FA_HOLDC_11N, BIT_MASK_OFDM_FA_KEEP, 1); + rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTD_11N, BIT_MASK_OFDM_FA_KEEP1, 1); + rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_CNT_KEEP, 1); + rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_FA_KEEP, 1); + + cck_fa_cnt = rtw_read32_mask(rtwdev, REG_CCK_FA_LSB_11N, MASKBYTE0); + cck_fa_cnt += rtw_read32_mask(rtwdev, REG_CCK_FA_MSB_11N, MASKBYTE3) << 8; + + val32 = rtw_read32(rtwdev, REG_OFDM_FA_TYPE1_11N); + ofdm_fa_cnt = u32_get_bits(val32, BIT_MASK_OFDM_FF_CNT); + ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_SF_CNT); + val32 = rtw_read32(rtwdev, REG_OFDM_FA_TYPE2_11N); + dm_info->ofdm_cca_cnt = u32_get_bits(val32, BIT_MASK_OFDM_CCA_CNT); + ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_PF_CNT); + val32 = rtw_read32(rtwdev, REG_OFDM_FA_TYPE3_11N); + ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_RI_CNT); + ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_CRC_CNT); + val32 = rtw_read32(rtwdev, REG_OFDM_FA_TYPE4_11N); + ofdm_fa_cnt += u32_get_bits(val32, BIT_MASK_OFDM_MNS_CNT); + + dm_info->cck_fa_cnt = cck_fa_cnt; + dm_info->ofdm_fa_cnt = ofdm_fa_cnt; + dm_info->total_fa_cnt = cck_fa_cnt + ofdm_fa_cnt; + + dm_info->cck_err_cnt = rtw_read32(rtwdev, REG_IGI_C_11N); + dm_info->cck_ok_cnt = rtw_read32(rtwdev, REG_IGI_D_11N); + crc32_cnt = rtw_read32(rtwdev, REG_OFDM_CRC32_CNT_11N); + dm_info->ofdm_err_cnt = u32_get_bits(crc32_cnt, BIT_MASK_OFDM_LCRC_ERR); + dm_info->ofdm_ok_cnt = u32_get_bits(crc32_cnt, BIT_MASK_OFDM_LCRC_OK); + crc32_cnt = rtw_read32(rtwdev, REG_HT_CRC32_CNT_11N); + dm_info->ht_err_cnt = u32_get_bits(crc32_cnt, BIT_MASK_HT_CRC_ERR); + dm_info->ht_ok_cnt = u32_get_bits(crc32_cnt, BIT_MASK_HT_CRC_OK); + dm_info->vht_err_cnt = 0; + dm_info->vht_ok_cnt = 0; + + val32 = rtw_read32(rtwdev, REG_CCK_CCA_CNT_11N); + dm_info->cck_cca_cnt = (u32_get_bits(val32, BIT_MASK_CCK_FA_MSB) << 8) | + u32_get_bits(val32, BIT_MASK_CCK_FA_LSB); + dm_info->total_cca_cnt = dm_info->cck_cca_cnt + dm_info->ofdm_cca_cnt; + + /* reset counter */ + rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTC_11N, BIT_MASK_OFDM_FA_RST, 1); + rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTC_11N, BIT_MASK_OFDM_FA_RST, 0); + rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTD_11N, BIT_MASK_OFDM_FA_RST1, 1); + rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTD_11N, BIT_MASK_OFDM_FA_RST1, 0); + rtw_write32_mask(rtwdev, REG_OFDM_FA_HOLDC_11N, BIT_MASK_OFDM_FA_KEEP, 0); + rtw_write32_mask(rtwdev, REG_OFDM_FA_RSTD_11N, BIT_MASK_OFDM_FA_KEEP1, 0); + rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_CNT_KPEN, 0); + rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_CNT_KPEN, 2); + rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_FA_KPEN, 0); + rtw_write32_mask(rtwdev, REG_CCK_FA_RST_11N, BIT_MASK_CCK_FA_KPEN, 2); + rtw_write32_mask(rtwdev, REG_PAGE_F_RST_11N, BIT_MASK_F_RST_ALL, 1); + rtw_write32_mask(rtwdev, REG_PAGE_F_RST_11N, BIT_MASK_F_RST_ALL, 0); +} + static struct rtw_chip_ops rtw8723d_ops = { .phy_set_param = rtw8723d_phy_set_param, .read_efuse = rtw8723d_read_efuse, @@ -551,6 +615,7 @@ static struct rtw_chip_ops rtw8723d_ops = { .set_antenna = NULL, .cfg_ldo25 = rtw8723d_cfg_ldo25, .efuse_grant = rtw8723d_efuse_grant, + .false_alarm_statistics = rtw8723d_false_alarm_statistics, .config_bfee = NULL, .set_gid_table = NULL, .cfg_csi_rate = NULL, |