From: Tzu-En Huang <[email protected]>
To configure the transmit power of 8821c implement trasmit
power index setting callback function for 8821c. This is very
similar to the callback function of 8822b.
Signed-off-by: Tzu-En Huang <[email protected]>
Signed-off-by: Yan-Hsuan Chuang <[email protected]>
---
drivers/net/wireless/realtek/rtw88/rtw8821c.c | 39 +++++++++++++++++++
1 file changed, 39 insertions(+)
diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
index 9989eab95256..d5ce4ce568dd 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
@@ -169,6 +169,44 @@ static void rtw8821c_cfg_ldo25(struct rtw_dev *rtwdev, bool enable)
rtw_write8(rtwdev, REG_LDO_EFUSE_CTRL + 3, ldo_pwr);
}
+static void
+rtw8821c_set_tx_power_index_by_rate(struct rtw_dev *rtwdev, u8 path, u8 rs)
+{
+ struct rtw_hal *hal = &rtwdev->hal;
+ static const u32 offset_txagc[2] = {0x1d00, 0x1d80};
+ static u32 phy_pwr_idx;
+ u8 rate, rate_idx, pwr_index, shift;
+ int j;
+
+ for (j = 0; j < rtw_rate_size[rs]; j++) {
+ rate = rtw_rate_section[rs][j];
+ pwr_index = hal->tx_pwr_tbl[path][rate];
+ shift = rate & 0x3;
+ phy_pwr_idx |= ((u32)pwr_index << (shift * 8));
+ if (shift == 0x3 || rate == DESC_RATEVHT1SS_MCS9) {
+ rate_idx = rate & 0xfc;
+ rtw_write32(rtwdev, offset_txagc[path] + rate_idx,
+ phy_pwr_idx);
+ phy_pwr_idx = 0;
+ }
+ }
+}
+
+static void rtw8821c_set_tx_power_index(struct rtw_dev *rtwdev)
+{
+ struct rtw_hal *hal = &rtwdev->hal;
+ int rs, path;
+
+ for (path = 0; path < hal->rf_path_num; path++) {
+ for (rs = 0; rs < RTW_RATE_SECTION_MAX; rs++) {
+ if (rs == RTW_RATE_SECTION_HT_2S ||
+ rs == RTW_RATE_SECTION_VHT_2S)
+ continue;
+ rtw8821c_set_tx_power_index_by_rate(rtwdev, path, rs);
+ }
+ }
+}
+
static struct rtw_pwr_seq_cmd trans_carddis_to_cardemu_8821c[] = {
{0x0086,
RTW_PWR_CUT_ALL_MSK,
@@ -598,6 +636,7 @@ static struct rtw_chip_ops rtw8821c_ops = {
.read_rf = rtw_phy_read_rf,
.write_rf = rtw_phy_write_rf_reg_sipi,
.set_antenna = NULL,
+ .set_tx_power_index = rtw8821c_set_tx_power_index,
.cfg_ldo25 = rtw8821c_cfg_ldo25,
};
--
2.17.1