rtw88: 8821c: add dig related settings

To improve user experience in field, we need DIG to adjust RX initial
gain depends on field situation.

Define the register addresses for 8821c.

Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Tzu-En Huang <tehuang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200616091625.26489-4-yhchuang@realtek.com

diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
index d5ce4ce..dfce8f6 100644 (file)
--- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
@@ -579,6 +579,10 @@ static const struct rtw_rfe_def rtw8821c_rfe_defs[] = {
        [0] = RTW_DEF_RFE(8821c, 0, 0),
 };
 
+static struct rtw_hw_reg rtw8821c_dig[] = {
+       [0] = { .addr = 0xc50, .mask = 0x7f },
+};
+
 static const struct rtw_ltecoex_addr rtw8821c_ltecoex_addr = {
        .ctrl = LTECOEX_ACCESS_CTRL,
        .wdata = LTECOEX_WRITE_DATA,
@@ -660,6 +664,7 @@ struct rtw_chip_info rtw8821c_hw_spec = {
        .csi_buf_pg_num = 0,
        .band = RTW_BAND_2G | RTW_BAND_5G,
        .page_size = 128,
+       .dig_min = 0x1c,
        .ht_supported = true,
        .vht_supported = true,
        .lps_deep_mode_supported = BIT(LPS_DEEP_MODE_LCLK),
@@ -670,6 +675,7 @@ struct rtw_chip_info rtw8821c_hw_spec = {
        .rqpn_table = rqpn_table_8821c,
        .prioq_addrs = &prioq_addrs_8821c,
        .intf_table = &phy_para_table_8821c,
+       .dig = rtw8821c_dig,
        .rf_base_addr = {0x2800, 0x2c00},
        .rf_sipi_addr = {0xc90, 0xe90},
        .ltecoex_addr = &rtw8821c_ltecoex_addr,