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From:   <yhchuang@realtek.com>
To:     <kvalo@codeaurora.org>
CC:     <linux-wireless@vger.kernel.org>, <tehuang@realtek.com>
Subject: [PATCH 3/7] rtw88: 8821c: add dig related settings
Date:   Wed, 20 May 2020 13:23:31 +0800
Message-ID: <20200520052335.22466-4-yhchuang@realtek.com>
In-Reply-To: <20200520052335.22466-1-yhchuang@realtek.com>
References: <20200520052335.22466-1-yhchuang@realtek.com>
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From: Tzu-En Huang <tehuang@realtek.com>

To improve user experience in field, we need DIG to adjust
RX initial gain depends on field situation. Since each chip
has its own register address, this commit defines 8821c specific
addresses.

Signed-off-by: Tzu-En Huang <tehuang@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
---
 drivers/net/wireless/realtek/rtw88/rtw8821c.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtw88/rtw8821c.c b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
index ce580dace83c..df95a095df73 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8821c.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8821c.c
@@ -572,6 +572,10 @@ 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,
@@ -653,6 +657,7 @@ 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),
@@ -663,6 +668,7 @@ 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,
-- 
2.17.1