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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
This commit is contained in:
Ping-Ke Shih 2022-03-25 14:00:46 +08:00 committed by Kalle Valo
parent 22a66e7c3a
commit e1e7a574b2
2 changed files with 25 additions and 0 deletions
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18
drivers/net/wireless/realtek/rtw89/pci.c
View File

@ -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);

7
drivers/net/wireless/realtek/rtw89/pci.h
View File

@ -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)