diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/pci.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/pci.c | 94 |
1 files changed, 93 insertions, 1 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c index 19001130ad94..7b00476a5dee 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.c +++ b/drivers/net/wireless/realtek/rtw89/pci.c @@ -19,6 +19,31 @@ MODULE_PARM_DESC(disable_clkreq, "Set Y to disable PCI clkreq support"); MODULE_PARM_DESC(disable_aspm_l1, "Set Y to disable PCI ASPM L1 support"); MODULE_PARM_DESC(disable_aspm_l1ss, "Set Y to disable PCI L1SS support"); +static int rtw89_pci_get_phy_offset_by_link_speed(struct rtw89_dev *rtwdev, + u32 *phy_offset) +{ + struct rtw89_pci *rtwpci = (struct rtw89_pci *)rtwdev->priv; + struct pci_dev *pdev = rtwpci->pdev; + u32 val; + int ret; + + ret = pci_read_config_dword(pdev, RTW89_PCIE_L1_STS_V1, &val); + if (ret) + return ret; + + val = u32_get_bits(val, RTW89_BCFG_LINK_SPEED_MASK); + if (val == RTW89_PCIE_GEN1_SPEED) { + *phy_offset = R_RAC_DIRECT_OFFSET_G1; + } else if (val == RTW89_PCIE_GEN2_SPEED) { + *phy_offset = R_RAC_DIRECT_OFFSET_G2; + } else { + rtw89_warn(rtwdev, "Unknown PCI link speed %d\n", val); + return -EFAULT; + } + + return 0; +} + static int rtw89_pci_rst_bdram_ax(struct rtw89_dev *rtwdev) { u32 val; @@ -1089,7 +1114,8 @@ u32 __rtw89_pci_check_and_reclaim_tx_resource_noio(struct rtw89_dev *rtwdev, spin_lock_bh(&rtwpci->trx_lock); cnt = rtw89_pci_get_avail_txbd_num(tx_ring); - cnt = min(cnt, wd_ring->curr_num); + if (txch != RTW89_TXCH_CH12) + cnt = min(cnt, wd_ring->curr_num); spin_unlock_bh(&rtwpci->trx_lock); return cnt; @@ -2298,6 +2324,68 @@ static int rtw89_pci_deglitch_setting(struct rtw89_dev *rtwdev) return 0; } +static void rtw89_pci_disable_eq(struct rtw89_dev *rtwdev) +{ + u16 g1_oobs, g2_oobs; + u32 backup_aspm; + u32 phy_offset; + u16 oobs_val; + u16 val16; + int ret; + + if (rtwdev->chip->chip_id != RTL8852C) + return; + + backup_aspm = rtw89_read32(rtwdev, R_AX_PCIE_MIX_CFG_V1); + rtw89_write32_clr(rtwdev, R_AX_PCIE_MIX_CFG_V1, B_AX_ASPM_CTRL_MASK); + + g1_oobs = rtw89_read16_mask(rtwdev, R_RAC_DIRECT_OFFSET_G1 + + RAC_ANA09 * RAC_MULT, BAC_OOBS_SEL); + g2_oobs = rtw89_read16_mask(rtwdev, R_RAC_DIRECT_OFFSET_G2 + + RAC_ANA09 * RAC_MULT, BAC_OOBS_SEL); + if (g1_oobs && g2_oobs) + goto out; + + ret = rtw89_pci_get_phy_offset_by_link_speed(rtwdev, &phy_offset); + if (ret) + goto out; + + rtw89_write16_set(rtwdev, phy_offset + RAC_ANA0D * RAC_MULT, BAC_RX_TEST_EN); + rtw89_write16(rtwdev, phy_offset + RAC_ANA10 * RAC_MULT, ADDR_SEL_PINOUT_DIS_VAL); + rtw89_write16_set(rtwdev, phy_offset + RAC_ANA19 * RAC_MULT, B_PCIE_BIT_RD_SEL); + + val16 = rtw89_read16_mask(rtwdev, phy_offset + RAC_ANA1F * RAC_MULT, + OOBS_LEVEL_MASK); + oobs_val = u16_encode_bits(val16, OOBS_SEN_MASK); + + rtw89_write16(rtwdev, R_RAC_DIRECT_OFFSET_G1 + RAC_ANA03 * RAC_MULT, oobs_val); + rtw89_write16_set(rtwdev, R_RAC_DIRECT_OFFSET_G1 + RAC_ANA09 * RAC_MULT, + BAC_OOBS_SEL); + + rtw89_write16(rtwdev, R_RAC_DIRECT_OFFSET_G2 + RAC_ANA03 * RAC_MULT, oobs_val); + rtw89_write16_set(rtwdev, R_RAC_DIRECT_OFFSET_G2 + RAC_ANA09 * RAC_MULT, + BAC_OOBS_SEL); + +out: + rtw89_write32(rtwdev, R_AX_PCIE_MIX_CFG_V1, backup_aspm); +} + +static void rtw89_pci_ber(struct rtw89_dev *rtwdev) +{ + u32 phy_offset; + + if (!test_bit(RTW89_QUIRK_PCI_BER, rtwdev->quirks)) + return; + + phy_offset = R_RAC_DIRECT_OFFSET_G1; + rtw89_write16(rtwdev, phy_offset + RAC_ANA1E * RAC_MULT, RAC_ANA1E_G1_VAL); + rtw89_write16(rtwdev, phy_offset + RAC_ANA2E * RAC_MULT, RAC_ANA2E_VAL); + + phy_offset = R_RAC_DIRECT_OFFSET_G2; + rtw89_write16(rtwdev, phy_offset + RAC_ANA1E * RAC_MULT, RAC_ANA1E_G2_VAL); + rtw89_write16(rtwdev, phy_offset + RAC_ANA2E * RAC_MULT, RAC_ANA2E_VAL); +} + static void rtw89_pci_rxdma_prefth(struct rtw89_dev *rtwdev) { if (rtwdev->chip->chip_id != RTL8852A) @@ -2695,6 +2783,8 @@ static int rtw89_pci_ops_mac_pre_init_ax(struct rtw89_dev *rtwdev) const struct rtw89_pci_info *info = rtwdev->pci_info; int ret; + rtw89_pci_disable_eq(rtwdev); + rtw89_pci_ber(rtwdev); rtw89_pci_rxdma_prefth(rtwdev); rtw89_pci_l1off_pwroff(rtwdev); rtw89_pci_deglitch_setting(rtwdev); @@ -4171,6 +4261,8 @@ int rtw89_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) rtwdev->hci.rpwm_addr = pci_info->rpwm_addr; rtwdev->hci.cpwm_addr = pci_info->cpwm_addr; + rtw89_check_quirks(rtwdev, info->quirks); + SET_IEEE80211_DEV(rtwdev->hw, &pdev->dev); ret = rtw89_core_init(rtwdev); |