diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2024-02-02 11:06:36 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2024-02-06 20:05:22 +0200 |
| commit | b835141be5a94c3f170107c1f5446a4a7b204ac6 (patch) | |
| tree | 4ae8cac55d24eea3fa3afc52ab21c4e854e7b110 /drivers/net/wireless/realtek/rtw89/fw.c | |
| parent | 32919a0438946170bd944c557833186514c399f3 (diff) | |
wifi: rtw89: rfk: add H2C command to trigger DPK
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
Diffstat (limited to 'drivers/net/wireless/realtek/rtw89/fw.c')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/fw.c | 43 |
1 files changed, 43 insertions, 0 deletions
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 @@ 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, |