diff options
| author | Guo-Feng Fan <vincent_fann@realtek.com> | 2021-02-02 13:50:12 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2021-02-08 12:51:39 +0200 |
| commit | 5d6651fe85837b11564a2e2c3c6279c057d078d6 (patch) | |
| tree | 9cddd7b8248b82382211eddcba418ca5f67fcc71 /drivers/net/wireless/realtek/rtw88/rtw8821c.c | |
| parent | b0d3016f423834177379cc4237964f1162599b5f (diff) | |
rtw88: 8821c: support RFE type2 wifi NIC
RFE type2 is a new NIC which has one RF antenna shares with BT.
Update phy parameter to verstion V57 to allow initial procedure
to load extra AGC table for sharing antenna NIC.
Signed-off-by: Guo-Feng Fan <vincent_fann@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20210202055012.8296-4-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw88/rtw8821c.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw88/rtw8821c.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c index f0a56f56f0d5..33c6cf1206c8 100644 --- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c +++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c @@ -25,6 +25,13 @@ static void rtw8821ce_efuse_parsing(struct rtw_efuse *efuse, ether_addr_copy(efuse->addr, map->e.mac_addr); } +enum rtw8821ce_rf_set { + SWITCH_TO_BTG, + SWITCH_TO_WLG, + SWITCH_TO_WLA, + SWITCH_TO_BT, +}; + static int rtw8821c_read_efuse(struct rtw_dev *rtwdev, u8 *log_map) { struct rtw_efuse *efuse = &rtwdev->efuse; @@ -228,6 +235,40 @@ static void rtw8821c_cfg_ldo25(struct rtw_dev *rtwdev, bool enable) rtw_write8(rtwdev, REG_LDO_EFUSE_CTRL + 3, ldo_pwr); } +static void rtw8821c_switch_rf_set(struct rtw_dev *rtwdev, u8 rf_set) +{ + u32 reg; + + rtw_write32_set(rtwdev, REG_DMEM_CTRL, BIT_WL_RST); + rtw_write32_set(rtwdev, REG_SYS_CTRL, BIT_FEN_EN); + + reg = rtw_read32(rtwdev, REG_RFECTL); + switch (rf_set) { + case SWITCH_TO_BTG: + reg |= B_BTG_SWITCH; + reg &= ~(B_CTRL_SWITCH | B_WL_SWITCH | B_WLG_SWITCH | + B_WLA_SWITCH); + rtw_write32_mask(rtwdev, REG_ENRXCCA, MASKBYTE2, BTG_CCA); + rtw_write32_mask(rtwdev, REG_ENTXCCK, MASKLWORD, BTG_LNA); + break; + case SWITCH_TO_WLG: + reg |= B_WL_SWITCH | B_WLG_SWITCH; + reg &= ~(B_BTG_SWITCH | B_CTRL_SWITCH | B_WLA_SWITCH); + rtw_write32_mask(rtwdev, REG_ENRXCCA, MASKBYTE2, WLG_CCA); + rtw_write32_mask(rtwdev, REG_ENTXCCK, MASKLWORD, WLG_LNA); + break; + case SWITCH_TO_WLA: + reg |= B_WL_SWITCH | B_WLA_SWITCH; + reg &= ~(B_BTG_SWITCH | B_CTRL_SWITCH | B_WLG_SWITCH); + break; + case SWITCH_TO_BT: + default: + break; + } + + rtw_write32(rtwdev, REG_RFECTL, reg); +} + static void rtw8821c_set_channel_rf(struct rtw_dev *rtwdev, u8 channel, u8 bw) { u32 rf_reg18; @@ -261,9 +302,14 @@ static void rtw8821c_set_channel_rf(struct rtw_dev *rtwdev, u8 channel, u8 bw) } if (channel <= 14) { + if (rtwdev->efuse.rfe_option == 0) + rtw8821c_switch_rf_set(rtwdev, SWITCH_TO_WLG); + else if (rtwdev->efuse.rfe_option == 2) + rtw8821c_switch_rf_set(rtwdev, SWITCH_TO_BTG); rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTDBG, BIT(6), 0x1); rtw_write_rf(rtwdev, RF_PATH_A, 0x64, 0xf, 0xf); } else { + rtw8821c_switch_rf_set(rtwdev, SWITCH_TO_WLA); rtw_write_rf(rtwdev, RF_PATH_A, RF_LUTDBG, BIT(6), 0x0); } @@ -1450,6 +1496,7 @@ static const struct rtw_intf_phy_para_table phy_para_table_8821c = { static const struct rtw_rfe_def rtw8821c_rfe_defs[] = { [0] = RTW_DEF_RFE(8821c, 0, 0), + [2] = RTW_DEF_RFE_EXT(8821c, 0, 0, 2), }; static struct rtw_hw_reg rtw8821c_dig[] = { |