From a6fb2bb84654dde55fab94251c9119b6917d098d Mon Sep 17 00:00:00 2001 From: Ping-Ke Shih Date: Thu, 30 Mar 2023 21:33:21 +0800 Subject: [PATCH] wifi: rtw89: read version of analog hardware The chip contains digital and analog parts, and each of them has its own version number. This is used by BT coexistence mechanism to make strategy decision for different analog version. Signed-off-by: Ping-Ke Shih Signed-off-by: Kalle Valo Link: https://lore.kernel.org/r/20230330133324.19538-2-pkshih@realtek.com --- drivers/net/wireless/realtek/rtw89/core.c | 10 ++++++++++ drivers/net/wireless/realtek/rtw89/core.h | 2 ++ drivers/net/wireless/realtek/rtw89/mac.h | 1 + 3 files changed, 13 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index d91876eb2520..d6204e07a5b6 100644 --- a/drivers/net/wireless/realtek/rtw89/core.c +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -3535,6 +3535,8 @@ void rtw89_core_scan_complete(struct rtw89_dev *rtwdev, static void rtw89_read_chip_ver(struct rtw89_dev *rtwdev) { const struct rtw89_chip_info *chip = rtwdev->chip; + int ret; + u8 val; u8 cv; cv = rtw89_read32_mask(rtwdev, R_AX_SYS_CFG1, B_AX_CHIP_VER_MASK); @@ -3546,6 +3548,14 @@ static void rtw89_read_chip_ver(struct rtw89_dev *rtwdev) } rtwdev->hal.cv = cv; + + if (chip->chip_id == RTL8852B || chip->chip_id == RTL8851B) { + ret = rtw89_mac_read_xtal_si(rtwdev, XTAL_SI_CV, &val); + if (!ret) + return; + + rtwdev->hal.acv = u8_get_bits(val, XTAL_SI_ACV_MASK); + } } static void rtw89_core_setup_phycap(struct rtw89_dev *rtwdev) diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h index 7d0433be5572..eab0abb9d213 100644 --- a/drivers/net/wireless/realtek/rtw89/core.h +++ b/drivers/net/wireless/realtek/rtw89/core.h @@ -108,6 +108,7 @@ enum rtw89_core_chip_id { RTL8852A, RTL8852B, RTL8852C, + RTL8851B, }; enum rtw89_cv { @@ -3412,6 +3413,7 @@ struct rtw89_sub_entity { struct rtw89_hal { u32 rx_fltr; u8 cv; + u8 acv; u32 sw_amsdu_max_size; u32 antenna_tx; u32 antenna_rx; diff --git a/drivers/net/wireless/realtek/rtw89/mac.h b/drivers/net/wireless/realtek/rtw89/mac.h index 899c45c6774e..a9ea3459ed82 100644 --- a/drivers/net/wireless/realtek/rtw89/mac.h +++ b/drivers/net/wireless/realtek/rtw89/mac.h @@ -1117,6 +1117,7 @@ enum rtw89_mac_xtal_si_offset { XTAL_SI_XTAL_XMD_4 = 0x26, #define XTAL_SI_LPS_CAP GENMASK(3, 0) XTAL_SI_CV = 0x41, +#define XTAL_SI_ACV_MASK GENMASK(3, 0) XTAL_SI_LOW_ADDR = 0x62, #define XTAL_SI_LOW_ADDR_MASK GENMASK(7, 0) XTAL_SI_CTRL = 0x63, -- 2.34.1