diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/pci_be.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/pci_be.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/pci_be.c b/drivers/net/wireless/realtek/rtw89/pci_be.c index 1a3f02c687f7..7cc328222965 100644 --- a/drivers/net/wireless/realtek/rtw89/pci_be.c +++ b/drivers/net/wireless/realtek/rtw89/pci_be.c @@ -550,6 +550,46 @@ static int rtw89_pci_lv1rst_start_dma_be(struct rtw89_dev *rtwdev) return 0; } +static int __maybe_unused rtw89_pci_suspend_be(struct device *dev) +{ + struct ieee80211_hw *hw = dev_get_drvdata(dev); + struct rtw89_dev *rtwdev = hw->priv; + + rtw89_write32_set(rtwdev, R_BE_RSV_CTRL, B_BE_WLOCK_1C_BIT6); + rtw89_write32_set(rtwdev, R_BE_RSV_CTRL, B_BE_R_DIS_PRST); + rtw89_write32_clr(rtwdev, R_BE_RSV_CTRL, B_BE_WLOCK_1C_BIT6); + rtw89_write32_set(rtwdev, R_BE_PCIE_FRZ_CLK, B_BE_PCIE_FRZ_REG_RST); + rtw89_write32_clr(rtwdev, R_BE_REG_PL1_MASK, B_BE_SER_PM_MASTER_IMR); + return 0; +} + +static int __maybe_unused rtw89_pci_resume_be(struct device *dev) +{ + struct ieee80211_hw *hw = dev_get_drvdata(dev); + struct rtw89_dev *rtwdev = hw->priv; + u32 polling; + int ret; + + rtw89_write32_set(rtwdev, R_BE_RSV_CTRL, B_BE_WLOCK_1C_BIT6); + rtw89_write32_clr(rtwdev, R_BE_RSV_CTRL, B_BE_R_DIS_PRST); + rtw89_write32_clr(rtwdev, R_BE_RSV_CTRL, B_BE_WLOCK_1C_BIT6); + rtw89_write32_clr(rtwdev, R_BE_PCIE_FRZ_CLK, B_BE_PCIE_FRZ_REG_RST); + rtw89_write32_clr(rtwdev, R_BE_SER_PL1_CTRL, B_BE_PL1_SER_PL1_EN); + + ret = read_poll_timeout_atomic(rtw89_read32, polling, !polling, 1, 1000, + false, rtwdev, R_BE_REG_PL1_ISR); + if (ret) + rtw89_warn(rtwdev, "[ERR] PCIE SER clear polling fail\n"); + + rtw89_write32_set(rtwdev, R_BE_SER_PL1_CTRL, B_BE_PL1_SER_PL1_EN); + rtw89_write32_set(rtwdev, R_BE_REG_PL1_MASK, B_BE_SER_PM_MASTER_IMR); + + return 0; +} + +SIMPLE_DEV_PM_OPS(rtw89_pm_ops_be, rtw89_pci_suspend_be, rtw89_pci_resume_be); +EXPORT_SYMBOL(rtw89_pm_ops_be); + const struct rtw89_pci_gen_def rtw89_pci_gen_be = { .isr_rdu = B_BE_RDU_CH1_INT | B_BE_RDU_CH0_INT, .isr_halt_c2h = B_BE_HALT_C2H_INT, |