diff options
| author | Ping-Ke Shih <[email protected]> | 2022-09-27 14:26:07 +0800 |
|---|---|---|
| committer | Kalle Valo <[email protected]> | 2022-09-28 09:45:58 +0300 |
| commit | 9e6e66ffba18e31c9860d5fda7524f7593f9f2c7 (patch) | |
| tree | 95c32cb99d3aff3b71275784a1b9501d2a95a60e | |
| parent | 14b6e9f4b019ef5adfc0729e8166734490dd4709 (diff) | |
wifi: rtw89: pci: add to do PCI auto calibration
8852be needs this with n times calibration to correct hardware clock.
Signed-off-by: Ping-Ke Shih <[email protected]>
Signed-off-by: Kalle Valo <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/pci.c | 18 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/pci.h | 3 |
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c index 957f4e550a7e..b52edf2cf743 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.c +++ b/drivers/net/wireless/realtek/rtw89/pci.c @@ -1874,6 +1874,18 @@ __get_target(struct rtw89_dev *rtwdev, u16 *target, enum rtw89_pcie_phy phy_rate return 0; } +static int rtw89_pci_autok_x(struct rtw89_dev *rtwdev) +{ + int ret; + + if (rtwdev->chip->chip_id != RTL8852B) + return 0; + + ret = rtw89_write16_mdio_mask(rtwdev, RAC_REG_FLD_0, BAC_AUTOK_N_MASK, + PCIE_AUTOK_4, PCIE_PHY_GEN1); + return ret; +} + static int rtw89_pci_auto_refclk_cal(struct rtw89_dev *rtwdev, bool autook_en) { enum rtw89_pcie_phy phy_rate; @@ -2452,6 +2464,12 @@ static int rtw89_pci_ops_mac_pre_init(struct rtw89_dev *rtwdev) rtw89_pci_hci_ldo(rtwdev); rtw89_pci_dphy_delay(rtwdev); + ret = rtw89_pci_autok_x(rtwdev); + if (ret) { + rtw89_err(rtwdev, "[ERR] pcie autok_x fail %d\n", ret); + return ret; + } + ret = rtw89_pci_auto_refclk_cal(rtwdev, false); if (ret) { rtw89_err(rtwdev, "[ERR] pcie autok fail %d\n", ret); diff --git a/drivers/net/wireless/realtek/rtw89/pci.h b/drivers/net/wireless/realtek/rtw89/pci.h index e49ffc9cf790..179740607778 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.h +++ b/drivers/net/wireless/realtek/rtw89/pci.h @@ -23,6 +23,9 @@ #define PCIE_DPHY_DLY_25US 0x1 #define RAC_ANA19 0x19 #define B_PCIE_BIT_RD_SEL BIT(2) +#define RAC_REG_FLD_0 0x1D +#define BAC_AUTOK_N_MASK GENMASK(3, 2) +#define PCIE_AUTOK_4 0x3 #define RAC_ANA1F 0x1F #define RAC_ANA24 0x24 #define B_AX_DEGLITCH GENMASK(11, 8) |