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@xxxxxxxxxxx>
---
drivers/net/wireless/realtek/rtw89/fw.c | 43 +++++++++++++++++++++++++
drivers/net/wireless/realtek/rtw89/fw.h | 13 ++++++++
2 files changed, 56 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c
index f1239b00479d..1218bab049c3 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.c
+++ b/drivers/net/wireless/realtek/rtw89/fw.c
@@ -4628,6 +4628,49 @@ int rtw89_fw_h2c_rf_iqk(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx)
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,
diff --git a/drivers/net/wireless/realtek/rtw89/fw.h b/drivers/net/wireless/realtek/rtw89/fw.h
index 7e803abe47c6..f48d21a772aa 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.h
+++ b/drivers/net/wireless/realtek/rtw89/fw.h
@@ -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,
--
2.25.1
