diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/pci_be.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/pci_be.c | 121 |
1 files changed, 115 insertions, 6 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/pci_be.c b/drivers/net/wireless/realtek/rtw89/pci_be.c index 629ffa4bee..7cc3282229 100644 --- a/drivers/net/wireless/realtek/rtw89/pci_be.c +++ b/drivers/net/wireless/realtek/rtw89/pci_be.c @@ -19,6 +19,54 @@ enum pcie_rxbd_mode { #define PL0_TMR_MAC_1MS 0x27100 #define PL0_TMR_AUX_1MS 0x1E848 +static void rtw89_pci_aspm_set_be(struct rtw89_dev *rtwdev, bool enable) +{ + struct rtw89_pci *rtwpci = (struct rtw89_pci *)rtwdev->priv; + struct pci_dev *pdev = rtwpci->pdev; + u8 value = 0; + int ret; + + ret = pci_read_config_byte(pdev, RTW89_PCIE_ASPM_CTRL, &value); + if (ret) + rtw89_warn(rtwdev, "failed to read ASPM Delay\n"); + + u8p_replace_bits(&value, PCIE_L1DLY_16US, RTW89_L1DLY_MASK); + + ret = pci_write_config_byte(pdev, RTW89_PCIE_ASPM_CTRL, value); + if (ret) + rtw89_warn(rtwdev, "failed to write ASPM Delay\n"); + + if (enable) + rtw89_write32_set(rtwdev, R_AX_PCIE_MIX_CFG_V1, + B_BE_ASPM_CTRL_L1); + else + rtw89_write32_clr(rtwdev, R_AX_PCIE_MIX_CFG_V1, + B_BE_ASPM_CTRL_L1); +} + +static void rtw89_pci_l1ss_set_be(struct rtw89_dev *rtwdev, bool enable) +{ + if (enable) + rtw89_write32_set(rtwdev, R_BE_PCIE_MIX_CFG, + B_BE_L1SUB_ENABLE); + else + rtw89_write32_clr(rtwdev, R_BE_PCIE_MIX_CFG, + B_BE_L1SUB_ENABLE); +} + +static void rtw89_pci_clkreq_set_be(struct rtw89_dev *rtwdev, bool enable) +{ + rtw89_write32_mask(rtwdev, R_BE_PCIE_LAT_CTRL, B_BE_CLK_REQ_LAT_MASK, + PCIE_CLKDLY_HW_V1_0); + + if (enable) + rtw89_write32_set(rtwdev, R_BE_L1_CLK_CTRL, + B_BE_CLK_PM_EN); + else + rtw89_write32_clr(rtwdev, R_AX_L1_CLK_CTRL, + B_BE_CLK_PM_EN); +} + static void _patch_pcie_power_wake_be(struct rtw89_dev *rtwdev, bool power_up) { if (power_up) @@ -105,6 +153,10 @@ static void rtw89_pci_ctrl_trxdma_pcie_be(struct rtw89_dev *rtwdev, val |= B_BE_STOP_AXI_MST; rtw89_write32(rtwdev, R_BE_HAXI_INIT_CFG1, val); + + if (io_en == MAC_AX_PCIE_ENABLE) + rtw89_write32_mask(rtwdev, R_BE_HAXI_MST_WDT_TIMEOUT_SEL_V1, + B_BE_HAXI_MST_WDT_TIMEOUT_SEL_MASK, 4); } static void rtw89_pci_clr_idx_all_be(struct rtw89_dev *rtwdev) @@ -257,6 +309,7 @@ static void rtw89_pci_ser_setting_be(struct rtw89_dev *rtwdev) rtw89_write32(rtwdev, R_BE_PL1_DBG_INFO, 0x0); rtw89_write32_set(rtwdev, R_BE_FWS1IMR, B_BE_PCIE_SER_TIMEOUT_INDIC_EN); rtw89_write32_set(rtwdev, R_BE_SER_PL1_CTRL, B_BE_PL1_SER_PL1_EN); + rtw89_write32_mask(rtwdev, R_BE_SER_PL1_CTRL, B_BE_PL1_TIMER_UNIT_MASK, 1); val32 = rtw89_read32(rtwdev, R_BE_REG_PL1_MASK); val32 |= B_BE_SER_PMU_IMR | B_BE_SER_L1SUB_IMR | B_BE_SER_PM_MASTER_IMR | @@ -264,8 +317,7 @@ static void rtw89_pci_ser_setting_be(struct rtw89_dev *rtwdev) rtw89_write32(rtwdev, R_BE_REG_PL1_MASK, val32); } -static void rtw89_pci_ctrl_txdma_ch_be(struct rtw89_dev *rtwdev, bool all_en, - bool h2c_en) +static void rtw89_pci_ctrl_txdma_ch_be(struct rtw89_dev *rtwdev, bool enable) { u32 mask_all; u32 val; @@ -278,12 +330,19 @@ static void rtw89_pci_ctrl_txdma_ch_be(struct rtw89_dev *rtwdev, bool all_en, val = rtw89_read32(rtwdev, R_BE_HAXI_DMA_STOP1); val |= B_BE_STOP_CH13 | B_BE_STOP_CH14; - if (all_en) + if (enable) val &= ~mask_all; else val |= mask_all; - if (h2c_en) + rtw89_write32(rtwdev, R_BE_HAXI_DMA_STOP1, val); +} + +static void rtw89_pci_ctrl_txdma_fw_ch_be(struct rtw89_dev *rtwdev, bool enable) +{ + u32 val = rtw89_read32(rtwdev, R_BE_HAXI_DMA_STOP1); + + if (enable) val &= ~B_BE_STOP_CH12; else val |= B_BE_STOP_CH12; @@ -322,7 +381,8 @@ static int rtw89_pci_ops_mac_pre_init_be(struct rtw89_dev *rtwdev) rtw89_pci_pcie_setting_be(rtwdev); rtw89_pci_ser_setting_be(rtwdev); - rtw89_pci_ctrl_txdma_ch_be(rtwdev, false, true); + rtw89_pci_ctrl_txdma_ch_be(rtwdev, false); + rtw89_pci_ctrl_txdma_fw_ch_be(rtwdev, true); rtw89_pci_ctrl_trxdma_pcie_be(rtwdev, MAC_AX_PCIE_ENABLE, MAC_AX_PCIE_ENABLE, MAC_AX_PCIE_ENABLE); @@ -432,7 +492,8 @@ static int rtw89_pci_ops_mac_post_init_be(struct rtw89_dev *rtwdev) rtw89_pci_ctrl_trxdma_pcie_be(rtwdev, MAC_AX_PCIE_IGNORE, MAC_AX_PCIE_IGNORE, MAC_AX_PCIE_ENABLE); rtw89_pci_ctrl_wpdma_pcie_be(rtwdev, true); - rtw89_pci_ctrl_txdma_ch_be(rtwdev, true, true); + rtw89_pci_ctrl_txdma_ch_be(rtwdev, true); + rtw89_pci_ctrl_txdma_fw_ch_be(rtwdev, true); rtw89_pci_configure_mit_be(rtwdev); return 0; @@ -489,6 +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, @@ -505,5 +606,13 @@ const struct rtw89_pci_gen_def rtw89_pci_gen_be = { .lv1rst_stop_dma = rtw89_pci_lv1rst_stop_dma_be, .lv1rst_start_dma = rtw89_pci_lv1rst_start_dma_be, + + .ctrl_txdma_ch = rtw89_pci_ctrl_txdma_ch_be, + .ctrl_txdma_fw_ch = rtw89_pci_ctrl_txdma_fw_ch_be, + .poll_txdma_ch_idle = rtw89_pci_poll_txdma_ch_idle_be, + + .aspm_set = rtw89_pci_aspm_set_be, + .clkreq_set = rtw89_pci_clkreq_set_be, + .l1ss_set = rtw89_pci_l1ss_set_be, }; EXPORT_SYMBOL(rtw89_pci_gen_be); |