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wifi: rtw89: rfk: add H2C command to trigger DPK

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DPK is short for digital pre-distortion calibration. It can adjusts digital
waveform according to PA linear characteristics dynamically to enhance
TX EVM.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20240202030642.108385-6-pkshih@realtek.com
This commit is contained in:
Ping-Ke Shih 2024-02-02 11:06:36 +08:00 committed by Kalle Valo
parent 32919a0438
commit b835141be5
2 changed files with 56 additions and 0 deletions
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43
drivers/net/wireless/realtek/rtw89/fw.c
View File

@ -4628,6 +4628,49 @@ fail:
return ret;
}
int rtw89_fw_h2c_rf_dpk(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx)
{
const struct rtw89_chan *chan = rtw89_chan_get(rtwdev,
RTW89_SUB_ENTITY_0);
struct rtw89_h2c_rf_dpk *h2c;
u32 len = sizeof(*h2c);
struct sk_buff *skb;
int ret;
skb = rtw89_fw_h2c_alloc_skb_with_hdr(rtwdev, len);
if (!skb) {
rtw89_err(rtwdev, "failed to alloc skb for h2c RF DPK\n");
return -ENOMEM;
}
skb_put(skb, len);
h2c = (struct rtw89_h2c_rf_dpk *)skb->data;
h2c->len = len;
h2c->phy = phy_idx;
h2c->dpk_enable = true;
h2c->kpath = RF_AB;
h2c->cur_band = chan->band_type;
h2c->cur_bw = chan->band_width;
h2c->cur_ch = chan->channel;
h2c->dpk_dbg_en = rtw89_debug_is_enabled(rtwdev, RTW89_DBG_RFK);
rtw89_h2c_pkt_set_hdr(rtwdev, skb, FWCMD_TYPE_H2C,
H2C_CAT_OUTSRC, H2C_CL_OUTSRC_RF_FW_RFK,
H2C_FUNC_RFK_DPK_OFFLOAD, 0, 0, len);
ret = rtw89_h2c_tx(rtwdev, skb, false);
if (ret) {
rtw89_err(rtwdev, "failed to send h2c\n");
goto fail;
}
return 0;
fail:
dev_kfree_skb_any(skb);
return ret;
}
int rtw89_fw_h2c_rf_rxdck(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx)
{
const struct rtw89_chan *chan = rtw89_chan_get(rtwdev,

13
drivers/net/wireless/realtek/rtw89/fw.h
View File

@ -3936,6 +3936,7 @@ enum rtw89_mcc_h2c_func {
enum rtw89_rfk_offload_h2c_func {
H2C_FUNC_RFK_IQK_OFFLOAD = 0x1,
H2C_FUNC_RFK_DPK_OFFLOAD = 0x3,
H2C_FUNC_RFK_RXDCK_OFFLOAD = 0x6,
H2C_FUNC_RFK_PRE_NOTIFY = 0x8,
};
@ -3989,6 +3990,17 @@ struct rtw89_h2c_rf_iqk {
__le32 dbcc;
} __packed;
struct rtw89_h2c_rf_dpk {
u8 len;
u8 phy;
u8 dpk_enable;
u8 kpath;
u8 cur_band;
u8 cur_bw;
u8 cur_ch;
u8 dpk_dbg_en;
} __packed;
struct rtw89_h2c_rf_rxdck {
u8 len;
u8 phy;
@ -4188,6 +4200,7 @@ int rtw89_fw_h2c_rf_ntfy_mcc(struct rtw89_dev *rtwdev);
int rtw89_fw_h2c_rf_pre_ntfy(struct rtw89_dev *rtwdev,
enum rtw89_phy_idx phy_idx);
int rtw89_fw_h2c_rf_iqk(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx);
int rtw89_fw_h2c_rf_dpk(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx);
int rtw89_fw_h2c_rf_rxdck(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx);
int rtw89_fw_h2c_raw_with_hdr(struct rtw89_dev *rtwdev,
u8 h2c_class, u8 h2c_func, u8 *buf, u16 len,