diff options
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/pci.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/pci.c | 110 |
1 files changed, 103 insertions, 7 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c index 19001130ad..312b57d7da 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; @@ -158,14 +183,17 @@ static void rtw89_pci_sync_skb_for_device(struct rtw89_dev *rtwdev, static void rtw89_pci_rxbd_info_update(struct rtw89_dev *rtwdev, struct sk_buff *skb) { - struct rtw89_pci_rxbd_info *rxbd_info; struct rtw89_pci_rx_info *rx_info = RTW89_PCI_RX_SKB_CB(skb); + struct rtw89_pci_rxbd_info *rxbd_info; + __le32 info; rxbd_info = (struct rtw89_pci_rxbd_info *)skb->data; - rx_info->fs = le32_get_bits(rxbd_info->dword, RTW89_PCI_RXBD_FS); - rx_info->ls = le32_get_bits(rxbd_info->dword, RTW89_PCI_RXBD_LS); - rx_info->len = le32_get_bits(rxbd_info->dword, RTW89_PCI_RXBD_WRITE_SIZE); - rx_info->tag = le32_get_bits(rxbd_info->dword, RTW89_PCI_RXBD_TAG); + info = rxbd_info->dword; + + rx_info->fs = le32_get_bits(info, RTW89_PCI_RXBD_FS); + rx_info->ls = le32_get_bits(info, RTW89_PCI_RXBD_LS); + rx_info->len = le32_get_bits(info, RTW89_PCI_RXBD_WRITE_SIZE); + rx_info->tag = le32_get_bits(info, RTW89_PCI_RXBD_TAG); } static int rtw89_pci_validate_rx_tag(struct rtw89_dev *rtwdev, @@ -1089,7 +1117,8 @@ 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 +2327,68 @@ 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; + int ret; + + if (rtwdev->chip->chip_id != RTL8852C) + return; + + 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) + 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); + + 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); + + oobs_val = rtw89_read16_mask(rtwdev, phy_offset + RAC_ANA1F * RAC_MULT, + OOBS_LEVEL_MASK); + + rtw89_write16_mask(rtwdev, R_RAC_DIRECT_OFFSET_G1 + RAC_ANA03 * RAC_MULT, + OOBS_SEN_MASK, oobs_val); + rtw89_write16_set(rtwdev, R_RAC_DIRECT_OFFSET_G1 + RAC_ANA09 * RAC_MULT, + BAC_OOBS_SEL); + + rtw89_write16_mask(rtwdev, R_RAC_DIRECT_OFFSET_G2 + RAC_ANA03 * RAC_MULT, + OOBS_SEN_MASK, 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 +2786,7 @@ 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_ber(rtwdev); rtw89_pci_rxdma_prefth(rtwdev); rtw89_pci_l1off_pwroff(rtwdev); rtw89_pci_deglitch_setting(rtwdev); @@ -3547,7 +3639,7 @@ static int rtw89_pci_request_irq(struct rtw89_dev *rtwdev, unsigned long flags = 0; int ret; - flags |= PCI_IRQ_LEGACY | PCI_IRQ_MSI; + flags |= PCI_IRQ_INTX | PCI_IRQ_MSI; ret = pci_alloc_irq_vectors(pdev, 1, 1, flags); if (ret < 0) { rtw89_err(rtwdev, "failed to alloc irq vectors, ret %d\n", ret); @@ -4065,6 +4157,7 @@ static int __maybe_unused rtw89_pci_resume(struct device *dev) B_AX_SEL_REQ_ENTR_L1); } rtw89_pci_l2_hci_ldo(rtwdev); + rtw89_pci_disable_eq(rtwdev); rtw89_pci_filter_out(rtwdev); rtw89_pci_link_cfg(rtwdev); rtw89_pci_l1ss_cfg(rtwdev); @@ -4171,6 +4264,8 @@ 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); @@ -4197,6 +4292,7 @@ int rtw89_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto err_clear_resource; } + rtw89_pci_disable_eq(rtwdev); rtw89_pci_filter_out(rtwdev); rtw89_pci_link_cfg(rtwdev); rtw89_pci_l1ss_cfg(rtwdev); |