From: Ping-Ke Shih <pkshih@xxxxxxxxxxx> [ Upstream commit 5b919d726b613c78d4dc463dd9f90c55843fd1b3 ] Increase PCI BER (bit error rate) count depth setting which could increase PHY circuit fault tolerance and improve compatibility. Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx> Link: https://msgid.link/20240329015251.22762-4-pkshih@xxxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- drivers/net/wireless/realtek/rtw89/core.c | 18 +++++++++++++++ drivers/net/wireless/realtek/rtw89/core.h | 10 ++++++++ drivers/net/wireless/realtek/rtw89/pci.c | 19 +++++++++++++++ drivers/net/wireless/realtek/rtw89/pci.h | 5 ++++ .../net/wireless/realtek/rtw89/rtw8851be.c | 1 + .../net/wireless/realtek/rtw89/rtw8852ae.c | 1 + .../net/wireless/realtek/rtw89/rtw8852be.c | 1 + .../net/wireless/realtek/rtw89/rtw8852ce.c | 23 +++++++++++++++++++ .../net/wireless/realtek/rtw89/rtw8922ae.c | 1 + 9 files changed, 79 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index d474b8d5df3dd..b8d419a5b9db0 100644 --- a/drivers/net/wireless/realtek/rtw89/core.c +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -4069,6 +4069,24 @@ void rtw89_core_ntfy_btc_event(struct rtw89_dev *rtwdev, enum rtw89_btc_hmsg eve } } +void rtw89_check_quirks(struct rtw89_dev *rtwdev, const struct dmi_system_id *quirks) +{ + const struct dmi_system_id *match; + enum rtw89_quirks quirk; + + if (!quirks) + return; + + for (match = dmi_first_match(quirks); match; match = dmi_first_match(match + 1)) { + quirk = (uintptr_t)match->driver_data; + if (quirk >= NUM_OF_RTW89_QUIRKS) + continue; + + set_bit(quirk, rtwdev->quirks); + } +} +EXPORT_SYMBOL(rtw89_check_quirks); + int rtw89_core_start(struct rtw89_dev *rtwdev) { int ret; diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h index 2e854c9af7099..509d84a493348 100644 --- a/drivers/net/wireless/realtek/rtw89/core.h +++ b/drivers/net/wireless/realtek/rtw89/core.h @@ -7,6 +7,7 @@ #include <linux/average.h> #include <linux/bitfield.h> +#include <linux/dmi.h> #include <linux/firmware.h> #include <linux/iopoll.h> #include <linux/workqueue.h> @@ -3977,6 +3978,7 @@ union rtw89_bus_info { struct rtw89_driver_info { const struct rtw89_chip_info *chip; + const struct dmi_system_id *quirks; union rtw89_bus_info bus; }; @@ -4324,6 +4326,12 @@ enum rtw89_flags { NUM_OF_RTW89_FLAGS, }; +enum rtw89_quirks { + RTW89_QUIRK_PCI_BER, + + NUM_OF_RTW89_QUIRKS, +}; + enum rtw89_pkt_drop_sel { RTW89_PKT_DROP_SEL_MACID_BE_ONCE, RTW89_PKT_DROP_SEL_MACID_BK_ONCE, @@ -5084,6 +5092,7 @@ struct rtw89_dev { DECLARE_BITMAP(mac_id_map, RTW89_MAX_MAC_ID_NUM); DECLARE_BITMAP(flags, NUM_OF_RTW89_FLAGS); DECLARE_BITMAP(pkt_offload, RTW89_MAX_PKT_OFLD_NUM); + DECLARE_BITMAP(quirks, NUM_OF_RTW89_QUIRKS); struct rtw89_phy_stat phystat; struct rtw89_rfk_wait_info rfk_wait; @@ -6129,6 +6138,7 @@ int rtw89_core_sta_remove(struct rtw89_dev *rtwdev, void rtw89_core_set_tid_config(struct rtw89_dev *rtwdev, struct ieee80211_sta *sta, struct cfg80211_tid_config *tid_config); +void rtw89_check_quirks(struct rtw89_dev *rtwdev, const struct dmi_system_id *quirks); int rtw89_core_init(struct rtw89_dev *rtwdev); void rtw89_core_deinit(struct rtw89_dev *rtwdev); int rtw89_core_register(struct rtw89_dev *rtwdev); diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c index 19001130ad943..46e24b3d807f2 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.c +++ b/drivers/net/wireless/realtek/rtw89/pci.c @@ -2298,6 +2298,22 @@ static int rtw89_pci_deglitch_setting(struct rtw89_dev *rtwdev) return 0; } +static void rtw89_pci_ber(struct rtw89_dev *rtwdev) +{ + u32 phy_offset; + + if (!test_bit(RTW89_QUIRK_PCI_BER, rtwdev->quirks)) + return; + + phy_offset = R_RAC_DIRECT_OFFSET_G1; + rtw89_write16(rtwdev, phy_offset + RAC_ANA1E * RAC_MULT, RAC_ANA1E_G1_VAL); + rtw89_write16(rtwdev, phy_offset + RAC_ANA2E * RAC_MULT, RAC_ANA2E_VAL); + + phy_offset = R_RAC_DIRECT_OFFSET_G2; + rtw89_write16(rtwdev, phy_offset + RAC_ANA1E * RAC_MULT, RAC_ANA1E_G2_VAL); + rtw89_write16(rtwdev, phy_offset + RAC_ANA2E * RAC_MULT, RAC_ANA2E_VAL); +} + static void rtw89_pci_rxdma_prefth(struct rtw89_dev *rtwdev) { if (rtwdev->chip->chip_id != RTL8852A) @@ -2695,6 +2711,7 @@ static int rtw89_pci_ops_mac_pre_init_ax(struct rtw89_dev *rtwdev) const struct rtw89_pci_info *info = rtwdev->pci_info; int ret; + rtw89_pci_ber(rtwdev); rtw89_pci_rxdma_prefth(rtwdev); rtw89_pci_l1off_pwroff(rtwdev); rtw89_pci_deglitch_setting(rtwdev); @@ -4171,6 +4188,8 @@ int rtw89_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) rtwdev->hci.rpwm_addr = pci_info->rpwm_addr; rtwdev->hci.cpwm_addr = pci_info->cpwm_addr; + rtw89_check_quirks(rtwdev, info->quirks); + SET_IEEE80211_DEV(rtwdev->hw, &pdev->dev); ret = rtw89_core_init(rtwdev); diff --git a/drivers/net/wireless/realtek/rtw89/pci.h b/drivers/net/wireless/realtek/rtw89/pci.h index a63b6b7c9bfaf..87e7081664c1f 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.h +++ b/drivers/net/wireless/realtek/rtw89/pci.h @@ -26,11 +26,16 @@ #define RAC_REG_FLD_0 0x1D #define BAC_AUTOK_N_MASK GENMASK(3, 2) #define PCIE_AUTOK_4 0x3 +#define RAC_ANA1E 0x1E +#define RAC_ANA1E_G1_VAL 0x66EA +#define RAC_ANA1E_G2_VAL 0x6EEA #define RAC_ANA1F 0x1F #define RAC_ANA24 0x24 #define B_AX_DEGLITCH GENMASK(11, 8) #define RAC_ANA26 0x26 #define B_AX_RXEN GENMASK(15, 14) +#define RAC_ANA2E 0x2E +#define RAC_ANA2E_VAL 0xFFFE #define RAC_CTRL_PPR_V1 0x30 #define B_AX_CLK_CALIB_EN BIT(12) #define B_AX_CALIB_EN BIT(13) diff --git a/drivers/net/wireless/realtek/rtw89/rtw8851be.c b/drivers/net/wireless/realtek/rtw89/rtw8851be.c index ca1374a717272..ec3629d95fda1 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8851be.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8851be.c @@ -63,6 +63,7 @@ static const struct rtw89_pci_info rtw8851b_pci_info = { static const struct rtw89_driver_info rtw89_8851be_info = { .chip = &rtw8851b_chip_info, + .quirks = NULL, .bus = { .pci = &rtw8851b_pci_info, }, diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852ae.c b/drivers/net/wireless/realtek/rtw89/rtw8852ae.c index 7c6ffedb77e27..fdee5dd4ba148 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852ae.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852ae.c @@ -61,6 +61,7 @@ static const struct rtw89_pci_info rtw8852a_pci_info = { static const struct rtw89_driver_info rtw89_8852ae_info = { .chip = &rtw8852a_chip_info, + .quirks = NULL, .bus = { .pci = &rtw8852a_pci_info, }, diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852be.c b/drivers/net/wireless/realtek/rtw89/rtw8852be.c index ed71364e6437b..5f941122655c4 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852be.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852be.c @@ -63,6 +63,7 @@ static const struct rtw89_pci_info rtw8852b_pci_info = { static const struct rtw89_driver_info rtw89_8852be_info = { .chip = &rtw8852b_chip_info, + .quirks = NULL, .bus = { .pci = &rtw8852b_pci_info, }, diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852ce.c b/drivers/net/wireless/realtek/rtw89/rtw8852ce.c index 583ea673a4f54..e07c7f3ade41e 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8852ce.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8852ce.c @@ -68,8 +68,31 @@ static const struct rtw89_pci_info rtw8852c_pci_info = { .recognize_intrs = rtw89_pci_recognize_intrs_v1, }; +static const struct dmi_system_id rtw8852c_pci_quirks[] = { + { + .ident = "Dell Inc. Vostro 16 5640", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 16 5640"), + DMI_MATCH(DMI_PRODUCT_SKU, "0CA0"), + }, + .driver_data = (void *)RTW89_QUIRK_PCI_BER, + }, + { + .ident = "Dell Inc. Inspiron 16 5640", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 16 5640"), + DMI_MATCH(DMI_PRODUCT_SKU, "0C9F"), + }, + .driver_data = (void *)RTW89_QUIRK_PCI_BER, + }, + {}, +}; + static const struct rtw89_driver_info rtw89_8852ce_info = { .chip = &rtw8852c_chip_info, + .quirks = rtw8852c_pci_quirks, .bus = { .pci = &rtw8852c_pci_info, }, diff --git a/drivers/net/wireless/realtek/rtw89/rtw8922ae.c b/drivers/net/wireless/realtek/rtw89/rtw8922ae.c index 4981b657bd7b0..ce8aaa9501e16 100644 --- a/drivers/net/wireless/realtek/rtw89/rtw8922ae.c +++ b/drivers/net/wireless/realtek/rtw89/rtw8922ae.c @@ -61,6 +61,7 @@ static const struct rtw89_pci_info rtw8922a_pci_info = { static const struct rtw89_driver_info rtw89_8922ae_info = { .chip = &rtw8922a_chip_info, + .quirks = NULL, .bus = { .pci = &rtw8922a_pci_info, }, -- 2.43.0
