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From:   <yhchuang@realtek.com>
To:     <kvalo@codeaurora.org>
CC:     <linux-wireless@vger.kernel.org>, <pkshih@realtek.com>,
        <bigeasy@linutronix.de>
Subject: [PATCH v4 1/8] rtw88: 8723d: Add DIG parameter
Date:   Mon, 4 May 2020 18:50:03 +0800
Message-ID: <20200504105010.10780-2-yhchuang@realtek.com>
In-Reply-To: <20200504105010.10780-1-yhchuang@realtek.com>
References: <20200504105010.10780-1-yhchuang@realtek.com>
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From: Ping-Ke Shih <pkshih@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 8723d specific address.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Yan-Hsuan Chuang <yhchuang@realtek.com>
---
 drivers/net/wireless/realtek/rtw88/rtw8723d.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtw88/rtw8723d.c b/drivers/net/wireless/realtek/rtw88/rtw8723d.c
index 8ca4d5794434..52afa72caf8f 100644
--- a/drivers/net/wireless/realtek/rtw88/rtw8723d.c
+++ b/drivers/net/wireless/realtek/rtw88/rtw8723d.c
@@ -706,6 +706,11 @@ static const struct rtw_rqpn rqpn_table_8723d[] = {
 	 RTW_DMA_MAPPING_EXTRA, RTW_DMA_MAPPING_HIGH},
 };
 
+static const struct rtw_hw_reg rtw8723d_dig[] = {
+	[0] = { .addr = 0xc50, .mask = 0x7f },
+	[1] = { .addr = 0xc50, .mask = 0x7f },
+};
+
 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},
@@ -738,6 +743,7 @@ struct rtw_chip_info rtw8723d_hw_spec = {
 	.csi_buf_pg_num = 0,
 	.band = RTW_BAND_2G,
 	.page_size = 128,
+	.dig_min = 0x20,
 	.ht_supported = true,
 	.vht_supported = false,
 	.lps_deep_mode_supported = 0,
@@ -746,6 +752,7 @@ struct rtw_chip_info rtw8723d_hw_spec = {
 	.pwr_off_seq = card_disable_flow_8723d,
 	.page_table = page_table_8723d,
 	.rqpn_table = rqpn_table_8723d,
+	.dig = rtw8723d_dig,
 	.rf_sipi_addr = {0x840, 0x844},
 	.rf_sipi_read_addr = rtw8723d_rf_sipi_addr,
 	.fix_rf_phy_num = 2,
-- 
2.17.1