From ac74f016f035eeb62b8b40db74040d32a03c4307 Mon Sep 17 00:00:00 2001 From: Zong-Zhe Yang Date: Fri, 18 Feb 2022 11:40:16 +0800 Subject: [PATCH] rtw89: phy: handle txpwr lmt/lmt_ru of 6G band Add declarations of 6G stuff and extend rtw89_channel_to_idx() to map 6G's channels to 6G channel indexes. While 6G, correspondingly read 6G's entry for tx power limit and limit_ru. After this, we should pay attention to chip_info::support_bands. If a chip declares 6G support, it must configure txpwr_lmt_6g and txpwr_lmt_ru_6g in case accessing NULL pointer while setting tx power limit/limit_ru on 6G band. Signed-off-by: Zong-Zhe Yang Signed-off-by: Ping-Ke Shih Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20220218034017.9160-2-pkshih@realtek.com --- drivers/net/wireless/realtek/rtw89/core.h | 25 +++++++++++++++++ drivers/net/wireless/realtek/rtw89/phy.c | 46 +++++++++++++++++++++++++++++-- 2 files changed, 68 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h index 4aca206..a193b02 100644 --- a/drivers/net/wireless/realtek/rtw89/core.h +++ b/drivers/net/wireless/realtek/rtw89/core.h @@ -371,6 +371,25 @@ enum rtw89_hw_rate { */ #define RTW89_5G_CH_NUM 53 +/* 6G channels, + * 1, 3, 5, 7, 9, 11, 13, 15, + * 17, 19, 21, 23, 25, 27, 29, 33, + * 35, 37, 39, 41, 43, 45, 47, 49, + * 51, 53, 55, 57, 59, 61, 65, 67, + * 69, 71, 73, 75, 77, 79, 81, 83, + * 85, 87, 89, 91, 93, 97, 99, 101, + * 103, 105, 107, 109, 111, 113, 115, 117, + * 119, 121, 123, 125, 129, 131, 133, 135, + * 137, 139, 141, 143, 145, 147, 149, 151, + * 153, 155, 157, 161, 163, 165, 167, 169, + * 171, 173, 175, 177, 179, 181, 183, 185, + * 187, 189, 193, 195, 197, 199, 201, 203, + * 205, 207, 209, 211, 213, 215, 217, 219, + * 221, 225, 227, 229, 231, 233, 235, 237, + * 239, 241, 243, 245, 247, 249, 251, 253, + */ +#define RTW89_6G_CH_NUM 120 + enum rtw89_rate_section { RTW89_RS_CCK, RTW89_RS_OFDM, @@ -554,6 +573,7 @@ enum rtw89_ps_mode { #define RTW89_2G_BW_NUM (RTW89_CHANNEL_WIDTH_40 + 1) #define RTW89_5G_BW_NUM (RTW89_CHANNEL_WIDTH_80 + 1) +#define RTW89_6G_BW_NUM (RTW89_CHANNEL_WIDTH_160 + 1) #define RTW89_PPE_BW_NUM (RTW89_CHANNEL_WIDTH_80 + 1) enum rtw89_ru_bandwidth { @@ -2246,10 +2266,15 @@ struct rtw89_chip_info { const s8 (*txpwr_lmt_5g)[RTW89_5G_BW_NUM][RTW89_NTX_NUM] [RTW89_RS_LMT_NUM][RTW89_BF_NUM] [RTW89_REGD_NUM][RTW89_5G_CH_NUM]; + const s8 (*txpwr_lmt_6g)[RTW89_6G_BW_NUM][RTW89_NTX_NUM] + [RTW89_RS_LMT_NUM][RTW89_BF_NUM] + [RTW89_REGD_NUM][RTW89_6G_CH_NUM]; const s8 (*txpwr_lmt_ru_2g)[RTW89_RU_NUM][RTW89_NTX_NUM] [RTW89_REGD_NUM][RTW89_2G_CH_NUM]; const s8 (*txpwr_lmt_ru_5g)[RTW89_RU_NUM][RTW89_NTX_NUM] [RTW89_REGD_NUM][RTW89_5G_CH_NUM]; + const s8 (*txpwr_lmt_ru_6g)[RTW89_RU_NUM][RTW89_NTX_NUM] + [RTW89_REGD_NUM][RTW89_6G_CH_NUM]; u8 txpwr_factor_rf; u8 txpwr_factor_mac; diff --git a/drivers/net/wireless/realtek/rtw89/phy.c b/drivers/net/wireless/realtek/rtw89/phy.c index d1d3ebb..7cc6155 100644 --- a/drivers/net/wireless/realtek/rtw89/phy.c +++ b/drivers/net/wireless/realtek/rtw89/phy.c @@ -1115,8 +1115,36 @@ s8 rtw89_phy_read_txpwr_byrate(struct rtw89_dev *rtwdev, } EXPORT_SYMBOL(rtw89_phy_read_txpwr_byrate); -static u8 rtw89_channel_to_idx(struct rtw89_dev *rtwdev, u8 channel) +static u8 rtw89_channel_6g_to_idx(struct rtw89_dev *rtwdev, u8 channel_6g) +{ + switch (channel_6g) { + case 1 ... 29: + return (channel_6g - 1) / 2; + case 33 ... 61: + return (channel_6g - 3) / 2; + case 65 ... 93: + return (channel_6g - 5) / 2; + case 97 ... 125: + return (channel_6g - 7) / 2; + case 129 ... 157: + return (channel_6g - 9) / 2; + case 161 ... 189: + return (channel_6g - 11) / 2; + case 193 ... 221: + return (channel_6g - 13) / 2; + case 225 ... 253: + return (channel_6g - 15) / 2; + default: + rtw89_warn(rtwdev, "unknown 6g channel: %d\n", channel_6g); + return 0; + } +} + +static u8 rtw89_channel_to_idx(struct rtw89_dev *rtwdev, u8 band, u8 channel) { + if (band == RTW89_BAND_6G) + return rtw89_channel_6g_to_idx(rtwdev, channel); + switch (channel) { case 1 ... 14: return channel - 1; @@ -1136,8 +1164,8 @@ s8 rtw89_phy_read_txpwr_limit(struct rtw89_dev *rtwdev, u8 bw, u8 ntx, u8 rs, u8 bf, u8 ch) { const struct rtw89_chip_info *chip = rtwdev->chip; - u8 ch_idx = rtw89_channel_to_idx(rtwdev, ch); u8 band = rtwdev->hal.current_band_type; + u8 ch_idx = rtw89_channel_to_idx(rtwdev, band, ch); u8 regd = rtw89_regd_get(rtwdev, band); s8 lmt = 0, sar; @@ -1154,6 +1182,12 @@ s8 rtw89_phy_read_txpwr_limit(struct rtw89_dev *rtwdev, lmt = (*chip->txpwr_lmt_5g)[bw][ntx][rs][bf] [RTW89_WW][ch_idx]; break; + case RTW89_BAND_6G: + lmt = (*chip->txpwr_lmt_6g)[bw][ntx][rs][bf][regd][ch_idx]; + if (!lmt) + lmt = (*chip->txpwr_lmt_6g)[bw][ntx][rs][bf] + [RTW89_WW][ch_idx]; + break; default: rtw89_warn(rtwdev, "unknown band type: %d\n", band); return 0; @@ -1269,8 +1303,8 @@ static s8 rtw89_phy_read_txpwr_limit_ru(struct rtw89_dev *rtwdev, u8 ru, u8 ntx, u8 ch) { const struct rtw89_chip_info *chip = rtwdev->chip; - u8 ch_idx = rtw89_channel_to_idx(rtwdev, ch); u8 band = rtwdev->hal.current_band_type; + u8 ch_idx = rtw89_channel_to_idx(rtwdev, band, ch); u8 regd = rtw89_regd_get(rtwdev, band); s8 lmt_ru = 0, sar; @@ -1287,6 +1321,12 @@ static s8 rtw89_phy_read_txpwr_limit_ru(struct rtw89_dev *rtwdev, lmt_ru = (*chip->txpwr_lmt_ru_5g)[ru][ntx] [RTW89_WW][ch_idx]; break; + case RTW89_BAND_6G: + lmt_ru = (*chip->txpwr_lmt_ru_6g)[ru][ntx][regd][ch_idx]; + if (!lmt_ru) + lmt_ru = (*chip->txpwr_lmt_ru_6g)[ru][ntx] + [RTW89_WW][ch_idx]; + break; default: rtw89_warn(rtwdev, "unknown band type: %d\n", band); return 0; -- 2.7.4