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authorChin-Yen Lee <timlee@realtek.com>2022-08-19 09:48:10 +0300
committerKalle Valo <kvalo@kernel.org>2022-09-02 11:35:51 +0300
commit843059d8193c1d28bed9b80c331088e775cf0151 (patch)
treee79e0771882c706d3944f95a206812083013d823 /drivers/net/wireless/realtek/rtw89/pci.c
parent8f308ae3342c57dca02bea97ec7a894417d13a0a (diff)
downloadlinux-843059d8193c1d28bed9b80c331088e775cf0151.tar.xz
wifi: rtw89: pci: enable CLK_REQ, ASPM, L1 and L1ss for 8852c
8852CE controls CLKREQ, ASPM L1, L1ss via wifi registers instead, so change them accordingly. Signed-off-by: Chin-Yen Lee <timlee@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20220819064811.37700-5-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/pci.c')
-rw-r--r--drivers/net/wireless/realtek/rtw89/pci.c91
1 files changed, 67 insertions, 24 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c
index 650cbd7aff41..24aefd4041be 100644
--- a/drivers/net/wireless/realtek/rtw89/pci.c
+++ b/drivers/net/wireless/realtek/rtw89/pci.c
@@ -3293,6 +3293,7 @@ static int rtw89_pci_filter_out(struct rtw89_dev *rtwdev)
static void rtw89_pci_clkreq_set(struct rtw89_dev *rtwdev, bool enable)
{
+ enum rtw89_core_chip_id chip_id = rtwdev->chip->chip_id;
int ret;
if (rtw89_pci_disable_clkreq)
@@ -3303,19 +3304,33 @@ static void rtw89_pci_clkreq_set(struct rtw89_dev *rtwdev, bool enable)
if (ret)
rtw89_err(rtwdev, "failed to set CLKREQ Delay\n");
- if (enable)
- ret = rtw89_pci_config_byte_set(rtwdev, RTW89_PCIE_L1_CTRL,
- RTW89_PCIE_BIT_CLK);
- else
- ret = rtw89_pci_config_byte_clr(rtwdev, RTW89_PCIE_L1_CTRL,
- RTW89_PCIE_BIT_CLK);
- if (ret)
- rtw89_err(rtwdev, "failed to %s CLKREQ_L1, ret=%d",
- enable ? "set" : "unset", ret);
+ if (chip_id == RTL8852A) {
+ if (enable)
+ ret = rtw89_pci_config_byte_set(rtwdev,
+ RTW89_PCIE_L1_CTRL,
+ RTW89_PCIE_BIT_CLK);
+ else
+ ret = rtw89_pci_config_byte_clr(rtwdev,
+ RTW89_PCIE_L1_CTRL,
+ RTW89_PCIE_BIT_CLK);
+ if (ret)
+ rtw89_err(rtwdev, "failed to %s CLKREQ_L1, ret=%d",
+ enable ? "set" : "unset", ret);
+ } else if (chip_id == RTL8852C) {
+ rtw89_write32_set(rtwdev, R_AX_PCIE_LAT_CTRL,
+ B_AX_CLK_REQ_SEL_OPT | B_AX_CLK_REQ_SEL);
+ if (enable)
+ rtw89_write32_set(rtwdev, R_AX_L1_CLK_CTRL,
+ B_AX_CLK_REQ_N);
+ else
+ rtw89_write32_clr(rtwdev, R_AX_L1_CLK_CTRL,
+ B_AX_CLK_REQ_N);
+ }
}
static void rtw89_pci_aspm_set(struct rtw89_dev *rtwdev, bool enable)
{
+ enum rtw89_core_chip_id chip_id = rtwdev->chip->chip_id;
u8 value = 0;
int ret;
@@ -3334,12 +3349,23 @@ static void rtw89_pci_aspm_set(struct rtw89_dev *rtwdev, bool enable)
if (ret)
rtw89_err(rtwdev, "failed to read ASPM Delay\n");
- if (enable)
- ret = rtw89_pci_config_byte_set(rtwdev, RTW89_PCIE_L1_CTRL,
- RTW89_PCIE_BIT_L1);
- else
- ret = rtw89_pci_config_byte_clr(rtwdev, RTW89_PCIE_L1_CTRL,
- RTW89_PCIE_BIT_L1);
+ if (chip_id == RTL8852A || chip_id == RTL8852B) {
+ if (enable)
+ ret = rtw89_pci_config_byte_set(rtwdev,
+ RTW89_PCIE_L1_CTRL,
+ RTW89_PCIE_BIT_L1);
+ else
+ ret = rtw89_pci_config_byte_clr(rtwdev,
+ RTW89_PCIE_L1_CTRL,
+ RTW89_PCIE_BIT_L1);
+ } else if (chip_id == RTL8852C) {
+ if (enable)
+ rtw89_write32_set(rtwdev, R_AX_PCIE_MIX_CFG_V1,
+ B_AX_ASPM_CTRL_L1);
+ else
+ rtw89_write32_clr(rtwdev, R_AX_PCIE_MIX_CFG_V1,
+ B_AX_ASPM_CTRL_L1);
+ }
if (ret)
rtw89_err(rtwdev, "failed to %s ASPM L1, ret=%d",
enable ? "set" : "unset", ret);
@@ -3400,17 +3426,34 @@ static void rtw89_pci_link_cfg(struct rtw89_dev *rtwdev)
static void rtw89_pci_l1ss_set(struct rtw89_dev *rtwdev, bool enable)
{
+ enum rtw89_core_chip_id chip_id = rtwdev->chip->chip_id;
int ret;
- if (enable)
- ret = rtw89_pci_config_byte_set(rtwdev, RTW89_PCIE_TIMER_CTRL,
- RTW89_PCIE_BIT_L1SUB);
- else
- ret = rtw89_pci_config_byte_clr(rtwdev, RTW89_PCIE_TIMER_CTRL,
- RTW89_PCIE_BIT_L1SUB);
- if (ret)
- rtw89_err(rtwdev, "failed to %s L1SS, ret=%d",
- enable ? "set" : "unset", ret);
+ if (chip_id == RTL8852A || chip_id == RTL8852B) {
+ if (enable)
+ ret = rtw89_pci_config_byte_set(rtwdev,
+ RTW89_PCIE_TIMER_CTRL,
+ RTW89_PCIE_BIT_L1SUB);
+ else
+ ret = rtw89_pci_config_byte_clr(rtwdev,
+ RTW89_PCIE_TIMER_CTRL,
+ RTW89_PCIE_BIT_L1SUB);
+ if (ret)
+ rtw89_err(rtwdev, "failed to %s L1SS, ret=%d",
+ enable ? "set" : "unset", ret);
+ } else if (chip_id == RTL8852C) {
+ ret = rtw89_pci_config_byte_clr(rtwdev, RTW89_PCIE_L1SS_STS_V1,
+ RTW89_PCIE_BIT_ASPM_L11 |
+ RTW89_PCIE_BIT_PCI_L11);
+ if (ret)
+ rtw89_warn(rtwdev, "failed to unset ASPM L1.1, ret=%d", ret);
+ if (enable)
+ rtw89_write32_clr(rtwdev, R_AX_PCIE_MIX_CFG_V1,
+ B_AX_L1SUB_DISABLE);
+ else
+ rtw89_write32_set(rtwdev, R_AX_PCIE_MIX_CFG_V1,
+ B_AX_L1SUB_DISABLE);
+ }
}
static void rtw89_pci_l1ss_cfg(struct rtw89_dev *rtwdev)