2024-01-03 07:03:31

by Ping-Ke Shih

Subject: [PATCH] wifi: rtw88: 8822ce: refine power parameters for RFE type 5

Refine the power parameters for better step response especially at high
current ramp case that is caused by power inductor variation.

Signed-off-by: Ping-Ke Shih <[email protected]>
---
drivers/net/wireless/realtek/rtw88/pci.c | 4 ++++
drivers/net/wireless/realtek/rtw88/reg.h | 3 +++
2 files changed, 7 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtw88/pci.c b/drivers/net/wireless/realtek/rtw88/pci.c
index 2bfc0e822b8d..9986a4cb37eb 100644
--- a/drivers/net/wireless/realtek/rtw88/pci.c
+++ b/drivers/net/wireless/realtek/rtw88/pci.c
@@ -1450,6 +1450,7 @@ static void rtw_pci_phy_cfg(struct rtw_dev *rtwdev)
{
struct rtw_pci *rtwpci = (struct rtw_pci *)rtwdev->priv;
const struct rtw_chip_info *chip = rtwdev->chip;
+ struct rtw_efuse *efuse = &rtwdev->efuse;
struct pci_dev *pdev = rtwpci->pdev;
const struct rtw_intf_phy_para *para;
u16 cut;
@@ -1498,6 +1499,9 @@ static void rtw_pci_phy_cfg(struct rtw_dev *rtwdev)
rtw_err(rtwdev, "failed to set PCI cap, ret = %d\n",
ret);
}
+
+ if (chip->id == RTW_CHIP_TYPE_8822C && efuse->rfe_option == 5)
+ rtw_write32_mask(rtwdev, REG_ANAPARSW_MAC_0, BIT_CF_L_V2, 0x1);
}

static int __maybe_unused rtw_pci_suspend(struct device *dev)
diff --git a/drivers/net/wireless/realtek/rtw88/reg.h b/drivers/net/wireless/realtek/rtw88/reg.h
index 1634f03784f1..b122f226924b 100644
--- a/drivers/net/wireless/realtek/rtw88/reg.h
+++ b/drivers/net/wireless/realtek/rtw88/reg.h
@@ -557,6 +557,9 @@
#define REG_RFE_INV16 0x0cbe
#define BIT_RFE_BUF_EN BIT(3)

+#define REG_ANAPARSW_MAC_0 0x1010
+#define BIT_CF_L_V2 GENMASK(29, 28)
+
#define REG_ANAPAR_XTAL_0 0x1040
#define BIT_XCAP_0 GENMASK(23, 10)
#define REG_CPU_DMEM_CON 0x1080
--
2.25.1

2024-01-10 14:52:33

by Kalle Valo

Subject: Re: [PATCH] wifi: rtw88: 8822ce: refine power parameters for RFE type 5

Ping-Ke Shih <[email protected]> wrote:

> Refine the power parameters for better step response especially at high
> current ramp case that is caused by power inductor variation.
>
> Signed-off-by: Ping-Ke Shih <[email protected]>

Patch applied to wireless-next.git, thanks.

8d101b15f86d wifi: rtw88: 8822ce: refine power parameters for RFE type 5

--
https://patchwork.kernel.org/project/linux-wireless/patch/[email protected]/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches