rtw88: 8723d: Set IG register for CCK rate

DIG sets only one IG register for most chips, but 8723D need to set
additional register for CCK rate.
Signed-off-by: Ping-Ke Shih <pkshih@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/20200504105010.10780-8-yhchuang@realtek.com

drivers/net/wireless/realtek/rtw88/main.h

@@ -1101,6 +1101,7 @@ struct rtw_chip_info {
 	const struct rtw_intf_phy_para_table *intf_table;
 
 	const struct rtw_hw_reg *dig;
+	const struct rtw_hw_reg *dig_cck;
 	u32 rf_base_addr[2];
 	u32 rf_sipi_addr[2];
 	const struct rtw_rf_sipi_addr *rf_sipi_read_addr;

drivers/net/wireless/realtek/rtw88/phy.c

@@ -140,9 +140,13 @@ void rtw_phy_dig_write(struct rtw_dev *rtwdev, u8 igi)
 {
 	struct rtw_chip_info *chip = rtwdev->chip;
 	struct rtw_hal *hal = &rtwdev->hal;
+	const struct rtw_hw_reg *dig_cck = &chip->dig_cck[0];
 	u32 addr, mask;
 	u8 path;
 
+	if (dig_cck)
+		rtw_write32_mask(rtwdev, dig_cck->addr, dig_cck->mask, igi >> 1);
+
 	for (path = 0; path < hal->rf_path_num; path++) {
 		addr = chip->dig[path].addr;
 		mask = chip->dig[path].mask;

drivers/net/wireless/realtek/rtw88/rtw8723d.c

@@ -1053,6 +1053,10 @@ static const struct rtw_hw_reg rtw8723d_dig[] = {
 	[1] = { .addr = 0xc50, .mask = 0x7f },
 };
 
+static const struct rtw_hw_reg rtw8723d_dig_cck[] = {
+	[0] = { .addr = 0xa0c, .mask = 0x3f00 },
+};
+
 static const struct rtw_rf_sipi_addr rtw8723d_rf_sipi_addr[] = {
 	[RF_PATH_A] = { .hssi_1 = 0x820, .lssi_read    = 0x8a0,
 			.hssi_2 = 0x824, .lssi_read_pi = 0x8b8},
@@ -1095,6 +1099,7 @@ struct rtw_chip_info rtw8723d_hw_spec = {
 	.page_table = page_table_8723d,
 	.rqpn_table = rqpn_table_8723d,
 	.dig = rtw8723d_dig,
+	.dig_cck = rtw8723d_dig_cck,
 	.rf_sipi_addr = {0x840, 0x844},
 	.rf_sipi_read_addr = rtw8723d_rf_sipi_addr,
 	.fix_rf_phy_num = 2,

drivers/net/wireless/realtek/rtw88/rtw8822b.c

@@ -2435,6 +2435,7 @@ struct rtw_chip_info rtw8822b_hw_spec = {
 	.rqpn_table = rqpn_table_8822b,
 	.intf_table = &phy_para_table_8822b,
 	.dig = rtw8822b_dig,
+	.dig_cck = NULL,
 	.rf_base_addr = {0x2800, 0x2c00},
 	.rf_sipi_addr = {0xc90, 0xe90},
 	.mac_tbl = &rtw8822b_mac_tbl,

drivers/net/wireless/realtek/rtw88/rtw8822c.c

@@ -4297,6 +4297,7 @@ struct rtw_chip_info rtw8822c_hw_spec = {
 	.rqpn_table = rqpn_table_8822c,
 	.intf_table = &phy_para_table_8822c,
 	.dig = rtw8822c_dig,
+	.dig_cck = NULL,
 	.rf_base_addr = {0x3c00, 0x4c00},
 	.rf_sipi_addr = {0x1808, 0x4108},
 	.mac_tbl = &rtw8822c_mac_tbl,