From 63fb5c981590f0bdf1708077b94563ee609efe8f Mon Sep 17 00:00:00 2001 From: Ping-Ke Shih Date: Thu, 14 Apr 2022 14:20:24 +0800 Subject: [PATCH] rtw89: 8852c: set channel of MAC part Configure channel and bandwidth of MAC registers to work properly. Signed-off-by: Ping-Ke Shih Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20220414062027.62638-11-pkshih@realtek.com --- drivers/net/wireless/realtek/rtw89/reg.h | 4 ++ drivers/net/wireless/realtek/rtw89/rtw8852c.c | 71 +++++++++++++++++++++++++++ 2 files changed, 75 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw89/reg.h b/drivers/net/wireless/realtek/rtw89/reg.h index d666c6e..44a2d98 100644 --- a/drivers/net/wireless/realtek/rtw89/reg.h +++ b/drivers/net/wireless/realtek/rtw89/reg.h @@ -1802,6 +1802,10 @@ #define R_AX_WMAC_RFMOD 0xC010 #define R_AX_WMAC_RFMOD_C1 0xE010 #define B_AX_WMAC_RFMOD_MASK GENMASK(1, 0) +#define AX_WMAC_RFMOD_20M 0 +#define AX_WMAC_RFMOD_40M 1 +#define AX_WMAC_RFMOD_80M 2 +#define AX_WMAC_RFMOD_160M 3 #define R_AX_GID_POSITION0 0xC070 #define R_AX_GID_POSITION0_C1 0xE070 diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852c.c b/drivers/net/wireless/realtek/rtw89/rtw8852c.c index 8be3cb2..07ff3bd 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852c.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852c.c @@ -562,6 +562,77 @@ static void rtw8852c_power_trim(struct rtw89_dev *rtwdev) rtw8852c_pa_bias_trim(rtwdev); } +static void rtw8852c_set_channel_mac(struct rtw89_dev *rtwdev, + struct rtw89_channel_params *param, + u8 mac_idx) +{ + u32 rf_mod = rtw89_mac_reg_by_idx(R_AX_WMAC_RFMOD, mac_idx); + u32 sub_carr = rtw89_mac_reg_by_idx(R_AX_TX_SUB_CARRIER_VALUE, + mac_idx); + u32 chk_rate = rtw89_mac_reg_by_idx(R_AX_TXRATE_CHK, mac_idx); + u8 txsc20 = 0, txsc40 = 0, txsc80 = 0; + u8 rf_mod_val = 0, chk_rate_mask = 0; + u32 txsc; + + switch (param->bandwidth) { + case RTW89_CHANNEL_WIDTH_160: + txsc80 = rtw89_phy_get_txsc(rtwdev, param, + RTW89_CHANNEL_WIDTH_80); + fallthrough; + case RTW89_CHANNEL_WIDTH_80: + txsc40 = rtw89_phy_get_txsc(rtwdev, param, + RTW89_CHANNEL_WIDTH_40); + fallthrough; + case RTW89_CHANNEL_WIDTH_40: + txsc20 = rtw89_phy_get_txsc(rtwdev, param, + RTW89_CHANNEL_WIDTH_20); + break; + default: + break; + } + + switch (param->bandwidth) { + case RTW89_CHANNEL_WIDTH_160: + rf_mod_val = AX_WMAC_RFMOD_160M; + txsc = FIELD_PREP(B_AX_TXSC_20M_MASK, txsc20) | + FIELD_PREP(B_AX_TXSC_40M_MASK, txsc40) | + FIELD_PREP(B_AX_TXSC_80M_MASK, txsc80); + break; + case RTW89_CHANNEL_WIDTH_80: + rf_mod_val = AX_WMAC_RFMOD_80M; + txsc = FIELD_PREP(B_AX_TXSC_20M_MASK, txsc20) | + FIELD_PREP(B_AX_TXSC_40M_MASK, txsc40); + break; + case RTW89_CHANNEL_WIDTH_40: + rf_mod_val = AX_WMAC_RFMOD_40M; + txsc = FIELD_PREP(B_AX_TXSC_20M_MASK, txsc20); + break; + case RTW89_CHANNEL_WIDTH_20: + default: + rf_mod_val = AX_WMAC_RFMOD_20M; + txsc = 0; + break; + } + rtw89_write8_mask(rtwdev, rf_mod, B_AX_WMAC_RFMOD_MASK, rf_mod_val); + rtw89_write32(rtwdev, sub_carr, txsc); + + switch (param->band_type) { + case RTW89_BAND_2G: + chk_rate_mask = B_AX_BAND_MODE; + break; + case RTW89_BAND_5G: + case RTW89_BAND_6G: + chk_rate_mask = B_AX_CHECK_CCK_EN | B_AX_RTS_LIMIT_IN_OFDM6; + break; + default: + rtw89_warn(rtwdev, "Invalid band_type:%d\n", param->band_type); + return; + } + rtw89_write8_clr(rtwdev, chk_rate, B_AX_BAND_MODE | B_AX_CHECK_CCK_EN | + B_AX_RTS_LIMIT_IN_OFDM6); + rtw89_write8_set(rtwdev, chk_rate, chk_rate_mask); +} + struct rtw8852c_bb_gain { u32 gain_g[BB_PATH_NUM_8852C]; u32 gain_a[BB_PATH_NUM_8852C]; -- 2.7.4