diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2022-03-25 14:00:46 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2022-04-06 11:55:13 +0300 |
| commit | e1e7a574b20ff3ce474c67ef6dfbc715d0870e9a (patch) | |
| tree | 9e61c5d1091850489744ab7fc0f096d55491b4b3 | |
| parent | 22a66e7c3abe48237853239b2184751cf97aca07 (diff) | |
rtw89: pci: add L1 settings
Configure L1 settings of enter and exit.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220325060055.58482-8-pkshih@realtek.com
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/pci.c | 18 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/pci.h | 7 |
2 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c index 5112b2d443c3..dcf907b81cff 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.c +++ b/drivers/net/wireless/realtek/rtw89/pci.c @@ -1935,6 +1935,22 @@ static void rtw89_pci_gen2_force_ib(struct rtw89_dev *rtwdev) B_AX_SYSON_DIS_PMCR_AX_WRMSK); } +static void rtw89_pci_l1_ent_lat(struct rtw89_dev *rtwdev) +{ + if (rtwdev->chip->chip_id != RTL8852C) + return; + + rtw89_write32_clr(rtwdev, R_AX_PCIE_PS_CTRL_V1, B_AX_SEL_REQ_ENTR_L1); +} + +static void rtw89_pci_wd_exit_l1(struct rtw89_dev *rtwdev) +{ + if (rtwdev->chip->chip_id != RTL8852C) + return; + + rtw89_write32_set(rtwdev, R_AX_PCIE_PS_CTRL_V1, B_AX_DMAC0_EXIT_L1_EN); +} + static void rtw89_pci_set_sic(struct rtw89_dev *rtwdev) { if (rtwdev->chip->chip_id == RTL8852C) @@ -2228,6 +2244,8 @@ static int rtw89_pci_ops_mac_pre_init(struct rtw89_dev *rtwdev) rtw89_pci_autoload_hang(rtwdev); rtw89_pci_l12_vmain(rtwdev); rtw89_pci_gen2_force_ib(rtwdev); + rtw89_pci_l1_ent_lat(rtwdev); + rtw89_pci_wd_exit_l1(rtwdev); rtw89_pci_set_sic(rtwdev); rtw89_pci_set_lbc(rtwdev); rtw89_pci_set_io_rcy(rtwdev); diff --git a/drivers/net/wireless/realtek/rtw89/pci.h b/drivers/net/wireless/realtek/rtw89/pci.h index 805fc3e8c1a4..a085d1f27a12 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.h +++ b/drivers/net/wireless/realtek/rtw89/pci.h @@ -38,6 +38,13 @@ #define R_AX_MDIO_WDATA 0x10A4 #define R_AX_MDIO_RDATA 0x10A6 +#define R_AX_PCIE_PS_CTRL_V1 0x3008 +#define B_AX_CMAC_EXIT_L1_EN BIT(7) +#define B_AX_DMAC0_EXIT_L1_EN BIT(6) +#define B_AX_SEL_XFER_PENDING BIT(3) +#define B_AX_SEL_REQ_ENTR_L1 BIT(2) +#define B_AX_SEL_REQ_EXIT_L1 BIT(0) + #define R_AX_PCIE_BG_CLR 0x303C #define B_AX_BG_CLR_ASYNC_M3 BIT(4) |