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wifi: rtw89: pci: add to do PCI auto calibration

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8852be needs this with n times calibration to correct hardware clock.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220927062611.30484-6-pkshih@realtek.com
This commit is contained in:
Ping-Ke Shih
2022-09-27 14:26:07 +08:00
committed by Kalle Valo
parent 14b6e9f4b0
commit 9e6e66ffba
2 changed files with 21 additions and 0 deletions
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18
drivers/net/wireless/realtek/rtw89/pci.c
View File

@@ -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);

3
drivers/net/wireless/realtek/rtw89/pci.h
View File

@@ -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)