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Message-ID: <e24a5534-6e33-cfb9-0634-0caf4646513f@gmail.com>
Date:   Mon, 10 Apr 2023 18:35:45 +0300
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To:     "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Cc:     Jes Sorensen <Jes.Sorensen@gmail.com>,
        Ping-Ke Shih <pkshih@realtek.com>
From:   Bitterblue Smith <rtl8821cerfe2@gmail.com>
Subject: [PATCH v2 1/2] wifi: rtl8xxxu: Clean up some messy ifs
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Add some new members to rtl8xxxu_fileops and use them instead of
checking priv->rtl_chip.

Signed-off-by: Bitterblue Smith <rtl8821cerfe2@gmail.com>
---
v2:
 - Don't set init_reg_pkt_life_time for the RTL8192EU. Just because
   this patch should not introduce any changes in behaviour.
---
 .../net/wireless/realtek/rtl8xxxu/rtl8xxxu.h  |  5 ++++
 .../realtek/rtl8xxxu/rtl8xxxu_8188e.c         |  1 +
 .../realtek/rtl8xxxu/rtl8xxxu_8188f.c         |  5 ++++
 .../realtek/rtl8xxxu/rtl8xxxu_8710b.c         |  9 +++++++
 .../realtek/rtl8xxxu/rtl8xxxu_8723b.c         |  3 +++
 .../wireless/realtek/rtl8xxxu/rtl8xxxu_core.c | 26 +++++--------------
 6 files changed, 30 insertions(+), 19 deletions(-)

diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
index 9d48c69ffece..39fee07917e7 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h
@@ -1923,6 +1923,11 @@ struct rtl8xxxu_fileops {
 	u8 has_tx_report:1;
 	u8 gen2_thermal_meter:1;
 	u8 needs_full_init:1;
+	u8 init_reg_rxfltmap:1;
+	u8 init_reg_pkt_life_time:1;
+	u8 init_reg_hmtfr:1;
+	u8 ampdu_max_time;
+	u8 ustime_tsf_edca;
 	u32 adda_1t_init;
 	u32 adda_1t_path_on;
 	u32 adda_2t_path_on_a;
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
index 6a82ec47568e..af8436070ba7 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188e.c
@@ -1883,6 +1883,7 @@ struct rtl8xxxu_fileops rtl8188eu_fops = {
 	.rx_desc_size = sizeof(struct rtl8xxxu_rxdesc16),
 	.tx_desc_size = sizeof(struct rtl8xxxu_txdesc32),
 	.has_tx_report = 1,
+	.init_reg_pkt_life_time = 1,
 	.gen2_thermal_meter = 1,
 	.adda_1t_init = 0x0b1b25a0,
 	.adda_1t_path_on = 0x0bdb25a0,
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c
index 82dee1fed477..dfb250adb168 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8188f.c
@@ -1746,6 +1746,11 @@ struct rtl8xxxu_fileops rtl8188fu_fops = {
 	.has_tx_report = 1,
 	.gen2_thermal_meter = 1,
 	.needs_full_init = 1,
+	.init_reg_rxfltmap = 1,
+	.init_reg_pkt_life_time = 1,
+	.init_reg_hmtfr = 1,
+	.ampdu_max_time = 0x70,
+	.ustime_tsf_edca = 0x28,
 	.adda_1t_init = 0x03c00014,
 	.adda_1t_path_on = 0x03c00014,
 	.trxff_boundary = 0x3f7f,
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8710b.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8710b.c
index 920466e39604..22d4704dd31e 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8710b.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8710b.c
@@ -1865,6 +1865,15 @@ struct rtl8xxxu_fileops rtl8710bu_fops = {
 	.has_tx_report = 1,
 	.gen2_thermal_meter = 1,
 	.needs_full_init = 1,
+	.init_reg_rxfltmap = 1,
+	.init_reg_pkt_life_time = 1,
+	.init_reg_hmtfr = 1,
+	.ampdu_max_time = 0x5e,
+	/*
+	 * The RTL8710BU vendor driver uses 0x50 here and it works fine,
+	 * but in rtl8xxxu 0x50 causes slow upload and random packet loss. Why?
+	 */
+	.ustime_tsf_edca = 0x28,
 	.adda_1t_init = 0x03c00016,
 	.adda_1t_path_on = 0x03c00016,
 	.trxff_boundary = 0x3f7f,
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c
index d99538eb8398..c31c2b52ac77 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_8723b.c
@@ -1741,6 +1741,9 @@ struct rtl8xxxu_fileops rtl8723bu_fops = {
 	.has_tx_report = 1,
 	.gen2_thermal_meter = 1,
 	.needs_full_init = 1,
+	.init_reg_hmtfr = 1,
+	.ampdu_max_time = 0x5e,
+	.ustime_tsf_edca = 0x50,
 	.adda_1t_init = 0x01c00014,
 	.adda_1t_path_on = 0x01c00014,
 	.adda_2t_path_on_a = 0x01c00014,
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
index c152b228606f..62dd53a57659 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -1916,7 +1916,7 @@ static int rtl8xxxu_start_firmware(struct rtl8xxxu_priv *priv)
 	/*
 	 * Init H2C command
 	 */
-	if (priv->rtl_chip == RTL8723B || priv->rtl_chip == RTL8188F || priv->rtl_chip == RTL8710B)
+	if (priv->fops->init_reg_hmtfr)
 		rtl8xxxu_write8(priv, REG_HMTFR, 0x0f);
 exit:
 	return ret;
@@ -3864,11 +3864,8 @@ void rtl8xxxu_init_burst(struct rtl8xxxu_priv *priv)
 	rtl8xxxu_write8(priv, REG_HT_SINGLE_AMPDU_8723B, val8);
 
 	rtl8xxxu_write16(priv, REG_MAX_AGGR_NUM, 0x0c14);
-	if (priv->rtl_chip == RTL8723B || priv->rtl_chip == RTL8710B)
-		val8 = 0x5e;
-	else if (priv->rtl_chip == RTL8188F)
-		val8 = 0x70; /* 0x5e would make it very slow */
-	rtl8xxxu_write8(priv, REG_AMPDU_MAX_TIME_8723B, val8);
+	rtl8xxxu_write8(priv, REG_AMPDU_MAX_TIME_8723B,
+			priv->fops->ampdu_max_time);
 	rtl8xxxu_write32(priv, REG_AGGLEN_LMT, 0xffffffff);
 	rtl8xxxu_write8(priv, REG_RX_PKT_LIMIT, 0x18);
 	rtl8xxxu_write8(priv, REG_PIFS, 0x00);
@@ -3876,16 +3873,8 @@ void rtl8xxxu_init_burst(struct rtl8xxxu_priv *priv)
 		rtl8xxxu_write8(priv, REG_FWHW_TXQ_CTRL, FWHW_TXQ_CTRL_AMPDU_RETRY);
 		rtl8xxxu_write32(priv, REG_FAST_EDCA_CTRL, 0x03086666);
 	}
-	/*
-	 * The RTL8710BU vendor driver uses 0x50 here and it works fine,
-	 * but in rtl8xxxu 0x50 causes slow upload and random packet loss. Why?
-	 */
-	if (priv->rtl_chip == RTL8723B)
-		val8 = 0x50;
-	else if (priv->rtl_chip == RTL8188F || priv->rtl_chip == RTL8710B)
-		val8 = 0x28; /* 0x50 would make the upload slow */
-	rtl8xxxu_write8(priv, REG_USTIME_TSF_8723B, val8);
-	rtl8xxxu_write8(priv, REG_USTIME_EDCA, val8);
+	rtl8xxxu_write8(priv, REG_USTIME_TSF_8723B, priv->fops->ustime_tsf_edca);
+	rtl8xxxu_write8(priv, REG_USTIME_EDCA, priv->fops->ustime_tsf_edca);
 
 	/* to prevent mac is reseted by bus. */
 	val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL);
@@ -4102,7 +4091,7 @@ static int rtl8xxxu_init_device(struct ieee80211_hw *hw)
 		RCR_APPEND_PHYSTAT | RCR_APPEND_ICV | RCR_APPEND_MIC;
 	rtl8xxxu_write32(priv, REG_RCR, val32);
 
-	if (priv->rtl_chip == RTL8188F || priv->rtl_chip == RTL8710B) {
+	if (fops->init_reg_rxfltmap) {
 		/* Accept all data frames */
 		rtl8xxxu_write16(priv, REG_RXFLTMAP2, 0xffff);
 
@@ -4187,8 +4176,7 @@ static int rtl8xxxu_init_device(struct ieee80211_hw *hw)
 	if (fops->init_aggregation)
 		fops->init_aggregation(priv);
 
-	if (priv->rtl_chip == RTL8188F || priv->rtl_chip == RTL8188E ||
-	    priv->rtl_chip == RTL8710B) {
+	if (fops->init_reg_pkt_life_time) {
 		rtl8xxxu_write16(priv, REG_PKT_VO_VI_LIFE_TIME, 0x0400); /* unit: 256us. 256ms */
 		rtl8xxxu_write16(priv, REG_PKT_BE_BK_LIFE_TIME, 0x0400); /* unit: 256us. 256ms */
 	}
-- 
2.39.2