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107 lines
3.6 KiB
107 lines
3.6 KiB
1 year ago
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From f632e0efad2e9347aba7d5b1df4d0dbb8fa9564d Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?=C3=8D=C3=B1igo=20Huguet?= <ihuguet@redhat.com>
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Date: Wed, 24 May 2023 15:00:25 +0200
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Subject: [PATCH 034/142] wifi: rtw89: 8852b: rfk: add RCK
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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Bugzilla: https://bugzilla.redhat.com/2207499
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commit 10298b53bff642e586e5b82616914c9fa3d9a906
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Author: Ping-Ke Shih <pkshih@realtek.com>
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Date: Wed Oct 12 16:32:31 2022 +0800
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wifi: rtw89: 8852b: rfk: add RCK
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RCK is synchronize RC calibration. Driver triggers this calibration and
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sets the result to register. This calibration is needed once when interface
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is going to up.
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Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
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Signed-off-by: Kalle Valo <kvalo@kernel.org>
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Link: https://lore.kernel.org/r/20221012083234.20224-3-pkshih@realtek.com
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Signed-off-by: Íñigo Huguet <ihuguet@redhat.com>
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---
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drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c | 43 +++++++++++++++++++++++
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drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.h | 1 +
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2 files changed, 44 insertions(+)
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diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c b/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c
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index 5c35f4fb38ff5..1dcb900ef7007 100644
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--- a/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c
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+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.c
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@@ -32,6 +32,41 @@ static u8 _kpath(struct rtw89_dev *rtwdev, enum rtw89_phy_idx phy_idx)
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return val;
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}
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+static void _rck(struct rtw89_dev *rtwdev, enum rtw89_rf_path path)
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+{
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+ u32 rf_reg5;
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+ u32 rck_val;
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+ u32 val;
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+ int ret;
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+
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+ rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RCK] ====== S%d RCK ======\n", path);
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+
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+ rf_reg5 = rtw89_read_rf(rtwdev, path, RR_RSV1, RFREG_MASK);
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+
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+ rtw89_write_rf(rtwdev, path, RR_RSV1, RR_RSV1_RST, 0x0);
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+ rtw89_write_rf(rtwdev, path, RR_MOD, RR_MOD_MASK, RR_MOD_V_RX);
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+
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+ rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RCK] RF0x00 = 0x%05x\n",
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+ rtw89_read_rf(rtwdev, path, RR_MOD, RFREG_MASK));
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+
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+ /* RCK trigger */
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+ rtw89_write_rf(rtwdev, path, RR_RCKC, RFREG_MASK, 0x00240);
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+
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+ ret = read_poll_timeout_atomic(rtw89_read_rf, val, val, 2, 30,
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+ false, rtwdev, path, RR_RCKS, BIT(3));
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+
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+ rck_val = rtw89_read_rf(rtwdev, path, RR_RCKC, RR_RCKC_CA);
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+
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+ rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RCK] rck_val = 0x%x, ret = %d\n",
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+ rck_val, ret);
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+
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+ rtw89_write_rf(rtwdev, path, RR_RCKC, RFREG_MASK, rck_val);
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+ rtw89_write_rf(rtwdev, path, RR_RSV1, RFREG_MASK, rf_reg5);
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+
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+ rtw89_debug(rtwdev, RTW89_DBG_RFK, "[RCK] RF 0x1b = 0x%x\n",
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+ rtw89_read_rf(rtwdev, path, RR_RCKC, RFREG_MASK));
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+}
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+
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static void _afe_init(struct rtw89_dev *rtwdev)
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{
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rtw89_write32(rtwdev, R_AX_PHYREG_SET, 0xf);
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@@ -453,6 +488,14 @@ static void _dac_cal(struct rtw89_dev *rtwdev, bool force)
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rtw89_debug(rtwdev, RTW89_DBG_RFK, "[DACK]DACK finish!!!\n");
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}
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+void rtw8852b_rck(struct rtw89_dev *rtwdev)
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+{
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+ u8 path;
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+
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+ for (path = 0; path < RF_PATH_NUM_8852B; path++)
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+ _rck(rtwdev, path);
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+}
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+
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void rtw8852b_dack(struct rtw89_dev *rtwdev)
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{
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u8 phy_map = rtw89_btc_phymap(rtwdev, RTW89_PHY_0, 0);
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diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.h b/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.h
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index bc2ff7380b927..84325abc7f2c2 100644
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--- a/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.h
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+++ b/drivers/net/wireless/realtek/rtw89/rtw8852b_rfk.h
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@@ -7,6 +7,7 @@
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#include "core.h"
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+void rtw8852b_rck(struct rtw89_dev *rtwdev);
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void rtw8852b_dack(struct rtw89_dev *rtwdev);
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void rtw8852b_set_channel_rf(struct rtw89_dev *rtwdev,
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const struct rtw89_chan *chan,
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--
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2.13.6
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