wifi: rtw89: 8922ae: add variant info to support RTL8922AE-VS

RTL8922AE-VS is a variant of RTL8922AE, which is supported by firmware
version after 0.35.54.0 and only can support up to MCS11. Add a variant
struct to describe these requirements accordingly.

Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250108020955.14668-3-pkshih@realtek.com

16 files changed, 102 insertions, 12 deletions

diff --git a/drivers/net/wireless/realtek/rtw89/Kconfig b/drivers/net/wireless/realtek/rtw89/Kconfig
index d2a3361669d7..b1c86cdd9c0e 100644
--- a/drivers/net/wireless/realtek/rtw89/Kconfig
+++ b/drivers/net/wireless/realtek/rtw89/Kconfig
@@ -96,17 +96,19 @@ config RTW89_8852CE
 	  802.11ax PCIe wireless network (Wi-Fi 6E) adapter
 
 config RTW89_8922AE
-	tristate "Realtek 8922AE PCI wireless network (Wi-Fi 7) adapter"
+	tristate "Realtek 8922AE/8922AE-VS PCI wireless network (Wi-Fi 7) adapter"
 	depends on PCI
 	select RTW89_CORE
 	select RTW89_PCI
 	select RTW89_8922A
 	help
-	  Select this option will enable support for 8922AE chipset
+	  Select this option will enable support for 8922AE/8922AE-VS chipset
 
 	  802.11be PCIe wireless network (Wi-Fi 7) adapter
 	  supporting 2x2 2GHz/5GHz/6GHz 4096-QAM 160MHz channels.
 
+	  The variant 8922AE-VS has the same features except 1024-QAM.
+
 config RTW89_DEBUG
 	bool
 
diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c
index 74bf590ad88c..85f739f1173d 100644
--- a/drivers/net/wireless/realtek/rtw89/core.c
+++ b/drivers/net/wireless/realtek/rtw89/core.c
@@ -4235,13 +4235,17 @@ static void rtw89_init_eht_cap(struct rtw89_dev *rtwdev,
 	struct ieee80211_eht_mcs_nss_supp *eht_nss;
 	struct ieee80211_sta_eht_cap *eht_cap;
 	struct rtw89_hal *hal = &rtwdev->hal;
+	bool support_mcs_12_13 = true;
 	bool support_320mhz = false;
+	u8 val, val_mcs13;
 	int sts = 8;
-	u8 val;
 
 	if (chip->chip_gen == RTW89_CHIP_AX)
 		return;
 
+	if (hal->no_mcs_12_13)
+		support_mcs_12_13 = false;
+
 	if (band == NL80211_BAND_6GHZ &&
 	    chip->support_bandwidths & BIT(NL80211_CHAN_WIDTH_320))
 		support_320mhz = true;
@@ -4299,16 +4303,18 @@ static void rtw89_init_eht_cap(struct rtw89_dev *rtwdev,
 
 	val = u8_encode_bits(hal->rx_nss, IEEE80211_EHT_MCS_NSS_RX) |
 	      u8_encode_bits(hal->tx_nss, IEEE80211_EHT_MCS_NSS_TX);
+	val_mcs13 = support_mcs_12_13 ? val : 0;
+
 	eht_nss->bw._80.rx_tx_mcs9_max_nss = val;
 	eht_nss->bw._80.rx_tx_mcs11_max_nss = val;
-	eht_nss->bw._80.rx_tx_mcs13_max_nss = val;
+	eht_nss->bw._80.rx_tx_mcs13_max_nss = val_mcs13;
 	eht_nss->bw._160.rx_tx_mcs9_max_nss = val;
 	eht_nss->bw._160.rx_tx_mcs11_max_nss = val;
-	eht_nss->bw._160.rx_tx_mcs13_max_nss = val;
+	eht_nss->bw._160.rx_tx_mcs13_max_nss = val_mcs13;
 	if (support_320mhz) {
 		eht_nss->bw._320.rx_tx_mcs9_max_nss = val;
 		eht_nss->bw._320.rx_tx_mcs11_max_nss = val;
-		eht_nss->bw._320.rx_tx_mcs13_max_nss = val;
+		eht_nss->bw._320.rx_tx_mcs13_max_nss = val_mcs13;
 	}
 }
 
@@ -5343,7 +5349,8 @@ EXPORT_SYMBOL(rtw89_core_unregister);
 
 struct rtw89_dev *rtw89_alloc_ieee80211_hw(struct device *device,
 					   u32 bus_data_size,
-					   const struct rtw89_chip_info *chip)
+					   const struct rtw89_chip_info *chip,
+					   const struct rtw89_chip_variant *variant)
 {
 	struct rtw89_fw_info early_fw = {};
 	const struct firmware *firmware;
@@ -5401,6 +5408,7 @@ struct rtw89_dev *rtw89_alloc_ieee80211_hw(struct device *device,
 	rtwdev->dev = device;
 	rtwdev->ops = ops;
 	rtwdev->chip = chip;
+	rtwdev->variant = variant;
 	rtwdev->fw.req.firmware = firmware;
 	rtwdev->fw.fw_format = fw_format;
 	rtwdev->support_mlo = support_mlo;
diff --git a/drivers/net/wireless/realtek/rtw89/core.h b/drivers/net/wireless/realtek/rtw89/core.h
index 62b9d124f3fe..ff4894c7fa8a 100644
--- a/drivers/net/wireless/realtek/rtw89/core.h
+++ b/drivers/net/wireless/realtek/rtw89/core.h
@@ -4367,12 +4367,18 @@ struct rtw89_chip_info {
 	const struct rtw89_xtal_info *xtal_info;
 };
 
+struct rtw89_chip_variant {
+	bool no_mcs_12_13: 1;
+	u32 fw_min_ver_code;
+};
+
 union rtw89_bus_info {
 	const struct rtw89_pci_info *pci;
 };
 
 struct rtw89_driver_info {
 	const struct rtw89_chip_info *chip;
+	const struct rtw89_chip_variant *variant;
 	const struct dmi_system_id *quirks;
 	union rtw89_bus_info bus;
 };
@@ -4747,6 +4753,8 @@ struct rtw89_hal {
 	bool ant_diversity_fixed;
 	bool support_cckpd;
 	bool support_igi;
+	bool no_mcs_12_13;
+
 	atomic_t roc_chanctx_idx;
 
 	DECLARE_BITMAP(changes, NUM_OF_RTW89_CHANCTX_CHANGES);
@@ -5605,6 +5613,7 @@ struct rtw89_dev {
 	enum rtw89_mlo_dbcc_mode mlo_dbcc_mode;
 	struct rtw89_hw_scan_info scan_info;
 	const struct rtw89_chip_info *chip;
+	const struct rtw89_chip_variant *variant;
 	const struct rtw89_pci_info *pci_info;
 	const struct rtw89_rfe_parms *rfe_parms;
 	struct rtw89_hal hal;
@@ -7040,7 +7049,8 @@ int rtw89_core_register(struct rtw89_dev *rtwdev);
 void rtw89_core_unregister(struct rtw89_dev *rtwdev);
 struct rtw89_dev *rtw89_alloc_ieee80211_hw(struct device *device,
 					   u32 bus_data_size,
-					   const struct rtw89_chip_info *chip);
+					   const struct rtw89_chip_info *chip,
+					   const struct rtw89_chip_variant *variant);
 void rtw89_free_ieee80211_hw(struct rtw89_dev *rtwdev);
 u8 rtw89_acquire_mac_id(struct rtw89_dev *rtwdev);
 void rtw89_release_mac_id(struct rtw89_dev *rtwdev, u8 mac_id);
diff --git a/drivers/net/wireless/realtek/rtw89/fw.c b/drivers/net/wireless/realtek/rtw89/fw.c
index 7c683ce74e59..5d4ad23cc3bd 100644
--- a/drivers/net/wireless/realtek/rtw89/fw.c
+++ b/drivers/net/wireless/realtek/rtw89/fw.c
@@ -806,6 +806,27 @@ out:
 	return firmware;
 }
 
+static int rtw89_fw_validate_ver_required(struct rtw89_dev *rtwdev)
+{
+	const struct rtw89_chip_variant *variant = rtwdev->variant;
+	const struct rtw89_fw_suit *fw_suit;
+	u32 suit_ver_code;
+
+	if (!variant)
+		return 0;
+
+	fw_suit = rtw89_fw_suit_get(rtwdev, RTW89_FW_NORMAL);
+	suit_ver_code = RTW89_FW_SUIT_VER_CODE(fw_suit);
+
+	if (variant->fw_min_ver_code > suit_ver_code) {
+		rtw89_err(rtwdev, "minimum required firmware version is 0x%x\n",
+			  variant->fw_min_ver_code);
+		return -ENOENT;
+	}
+
+	return 0;
+}
+
 int rtw89_fw_recognize(struct rtw89_dev *rtwdev)
 {
 	const struct rtw89_chip_info *chip = rtwdev->chip;
@@ -822,6 +843,10 @@ int rtw89_fw_recognize(struct rtw89_dev *rtwdev)
 		return ret;
 
 normal_done:
+	ret = rtw89_fw_validate_ver_required(rtwdev);
+	if (ret)
+		return ret;
+
 	/* It still works if wowlan firmware isn't existing. */
 	__rtw89_fw_recognize(rtwdev, RTW89_FW_WOWLAN, false);
 
diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c
index e362214669db..a37c6d525d6f 100644
--- a/drivers/net/wireless/realtek/rtw89/mac.c
+++ b/drivers/net/wireless/realtek/rtw89/mac.c
@@ -3001,8 +3001,10 @@ static int rtw89_mac_setup_phycap_part0(struct rtw89_dev *rtwdev)
 
 static int rtw89_mac_setup_phycap_part1(struct rtw89_dev *rtwdev)
 {
+	const struct rtw89_chip_variant *variant = rtwdev->variant;
 	const struct rtw89_c2hreg_phycap *phycap;
 	struct rtw89_mac_c2h_info c2h_info = {};
+	struct rtw89_hal *hal = &rtwdev->hal;
 	u8 qam_raw, qam;
 	int ret;
 
@@ -3025,7 +3027,12 @@ static int rtw89_mac_setup_phycap_part1(struct rtw89_dev *rtwdev)
 		break;
 	}
 
-	rtw89_debug(rtwdev, RTW89_DBG_FW, "phycap qam=%d/%d\n", qam_raw, qam);
+	if ((variant && variant->no_mcs_12_13) ||
+	    qam <= RTW89_C2HREG_PHYCAP_P1_W2_QAM_1024)
+		hal->no_mcs_12_13 = true;
+
+	rtw89_debug(rtwdev, RTW89_DBG_FW, "phycap qam=%d/%d no_mcs_12_13=%d\n",
+		    qam_raw, qam, hal->no_mcs_12_13);
 
 	return 0;
 }
diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c
index 3b3b12fe4136..c2fe5a898dc7 100644
--- a/drivers/net/wireless/realtek/rtw89/pci.c
+++ b/drivers/net/wireless/realtek/rtw89/pci.c
@@ -4426,7 +4426,7 @@ int rtw89_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	rtwdev = rtw89_alloc_ieee80211_hw(&pdev->dev,
 					  sizeof(struct rtw89_pci),
-					  info->chip);
+					  info->chip, info->variant);
 	if (!rtwdev) {
 		dev_err(&pdev->dev, "failed to allocate hw\n");
 		return -ENOMEM;
diff --git a/drivers/net/wireless/realtek/rtw89/phy.c b/drivers/net/wireless/realtek/rtw89/phy.c
index 4e3754fd18fd..c7c05f7fda1d 100644
--- a/drivers/net/wireless/realtek/rtw89/phy.c
+++ b/drivers/net/wireless/realtek/rtw89/phy.c
@@ -261,6 +261,9 @@ rtw89_ra_mask_he_rates[4] = {RA_MASK_HE_1SS_RATES, RA_MASK_HE_2SS_RATES,
 static const u64
 rtw89_ra_mask_eht_rates[4] = {RA_MASK_EHT_1SS_RATES, RA_MASK_EHT_2SS_RATES,
 			      RA_MASK_EHT_3SS_RATES, RA_MASK_EHT_4SS_RATES};
+static const u64
+rtw89_ra_mask_eht_mcs0_11[4] = {RA_MASK_EHT_1SS_MCS0_11, RA_MASK_EHT_2SS_MCS0_11,
+				RA_MASK_EHT_3SS_MCS0_11, RA_MASK_EHT_4SS_MCS0_11};
 
 static void rtw89_phy_ra_gi_ltf(struct rtw89_dev *rtwdev,
 				struct rtw89_sta_link *rtwsta_link,
@@ -330,7 +333,12 @@ static void rtw89_phy_ra_sta_update(struct rtw89_dev *rtwdev,
 	if (link_sta->eht_cap.has_eht) {
 		mode |= RTW89_RA_MODE_EHT;
 		ra_mask |= get_eht_ra_mask(link_sta);
-		high_rate_masks = rtw89_ra_mask_eht_rates;
+
+		if (rtwdev->hal.no_mcs_12_13)
+			high_rate_masks = rtw89_ra_mask_eht_mcs0_11;
+		else
+			high_rate_masks = rtw89_ra_mask_eht_rates;
+
 		rtw89_phy_ra_gi_ltf(rtwdev, rtwsta_link, link_sta,
 				    chan, &fix_giltf_en, &fix_giltf);
 	} else if (link_sta->he_cap.has_he) {
diff --git a/drivers/net/wireless/realtek/rtw89/phy.h b/drivers/net/wireless/realtek/rtw89/phy.h
index 697ee47fe325..08b635c93ac3 100644
--- a/drivers/net/wireless/realtek/rtw89/phy.h
+++ b/drivers/net/wireless/realtek/rtw89/phy.h
@@ -51,6 +51,10 @@
 #define RA_MASK_EHT_2SS_RATES	GENMASK_ULL(43, 28)
 #define RA_MASK_EHT_3SS_RATES	GENMASK_ULL(59, 44)
 #define RA_MASK_EHT_4SS_RATES	GENMASK_ULL(62, 60)
+#define RA_MASK_EHT_1SS_MCS0_11	GENMASK_ULL(23, 12)
+#define RA_MASK_EHT_2SS_MCS0_11	GENMASK_ULL(39, 28)
+#define RA_MASK_EHT_3SS_MCS0_11	GENMASK_ULL(55, 44)
+#define RA_MASK_EHT_4SS_MCS0_11	GENMASK_ULL(62, 60)
 #define RA_MASK_EHT_RATES	GENMASK_ULL(62, 12)
 
 #define CFO_TRK_ENABLE_TH (2 << 2)
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8851be.c b/drivers/net/wireless/realtek/rtw89/rtw8851be.c
index cfe744cc7f30..5810af825242 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8851be.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8851be.c
@@ -67,6 +67,7 @@ static const struct rtw89_pci_info rtw8851b_pci_info = {
 
 static const struct rtw89_driver_info rtw89_8851be_info = {
 	.chip = &rtw8851b_chip_info,
+	.variant = NULL,
 	.quirks = NULL,
 	.bus = {
 		.pci = &rtw8851b_pci_info,
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852ae.c b/drivers/net/wireless/realtek/rtw89/rtw8852ae.c
index 08e39f0572bc..2037713e3952 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852ae.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852ae.c
@@ -65,6 +65,7 @@ static const struct rtw89_pci_info rtw8852a_pci_info = {
 
 static const struct rtw89_driver_info rtw89_8852ae_info = {
 	.chip = &rtw8852a_chip_info,
+	.variant = NULL,
 	.quirks = NULL,
 	.bus = {
 		.pci = &rtw8852a_pci_info,
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852be.c b/drivers/net/wireless/realtek/rtw89/rtw8852be.c
index 42004ac52aee..abdeafc14b0b 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852be.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852be.c
@@ -67,6 +67,7 @@ static const struct rtw89_pci_info rtw8852b_pci_info = {
 
 static const struct rtw89_driver_info rtw89_8852be_info = {
 	.chip = &rtw8852b_chip_info,
+	.variant = NULL,
 	.quirks = NULL,
 	.bus = {
 		.pci = &rtw8852b_pci_info,
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852bte.c b/drivers/net/wireless/realtek/rtw89/rtw8852bte.c
index e482c9893e11..b69fa17beb33 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852bte.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852bte.c
@@ -73,6 +73,7 @@ static const struct rtw89_pci_info rtw8852bt_pci_info = {
 
 static const struct rtw89_driver_info rtw89_8852bte_info = {
 	.chip = &rtw8852bt_chip_info,
+	.variant = NULL,
 	.quirks = NULL,
 	.bus = {
 		.pci = &rtw8852bt_pci_info,
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8852ce.c b/drivers/net/wireless/realtek/rtw89/rtw8852ce.c
index 6b565acc4cdf..5d864fd5974e 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8852ce.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8852ce.c
@@ -96,6 +96,7 @@ static const struct dmi_system_id rtw8852c_pci_quirks[] = {
 
 static const struct rtw89_driver_info rtw89_8852ce_info = {
 	.chip = &rtw8852c_chip_info,
+	.variant = NULL,
 	.quirks = rtw8852c_pci_quirks,
 	.bus = {
 		.pci = &rtw8852c_pci_info,
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8922a.c b/drivers/net/wireless/realtek/rtw89/rtw8922a.c
index f04cb3b11372..11d66bfceb15 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8922a.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8922a.c
@@ -2838,6 +2838,12 @@ const struct rtw89_chip_info rtw8922a_chip_info = {
 };
 EXPORT_SYMBOL(rtw8922a_chip_info);
 
+const struct rtw89_chip_variant rtw8922ae_vs_variant = {
+	.no_mcs_12_13 = true,
+	.fw_min_ver_code = RTW89_FW_VER_CODE(0, 35, 54, 0),
+};
+EXPORT_SYMBOL(rtw8922ae_vs_variant);
+
 MODULE_FIRMWARE(RTW8922A_MODULE_FIRMWARE);
 MODULE_AUTHOR("Realtek Corporation");
 MODULE_DESCRIPTION("Realtek 802.11be wireless 8922A driver");
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8922a.h b/drivers/net/wireless/realtek/rtw89/rtw8922a.h
index 597317ab6af7..a29cfa5b4291 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8922a.h
+++ b/drivers/net/wireless/realtek/rtw89/rtw8922a.h
@@ -69,5 +69,6 @@ struct rtw8922a_efuse {
 } __packed;
 
 extern const struct rtw89_chip_info rtw8922a_chip_info;
+extern const struct rtw89_chip_variant rtw8922ae_vs_variant;
 
 #endif
diff --git a/drivers/net/wireless/realtek/rtw89/rtw8922ae.c b/drivers/net/wireless/realtek/rtw89/rtw8922ae.c
index 568d5bd134f9..0ea8d5281c10 100644
--- a/drivers/net/wireless/realtek/rtw89/rtw8922ae.c
+++ b/drivers/net/wireless/realtek/rtw89/rtw8922ae.c
@@ -71,6 +71,16 @@ static const struct rtw89_pci_info rtw8922a_pci_info = {
 
 static const struct rtw89_driver_info rtw89_8922ae_info = {
 	.chip = &rtw8922a_chip_info,
+	.variant = NULL,
+	.quirks = NULL,
+	.bus = {
+		.pci = &rtw8922a_pci_info,
+	},
+};
+
+static const struct rtw89_driver_info rtw89_8922ae_vs_info = {
+	.chip = &rtw8922a_chip_info,
+	.variant = &rtw8922ae_vs_variant,
 	.quirks = NULL,
 	.bus = {
 		.pci = &rtw8922a_pci_info,
@@ -82,6 +92,10 @@ static const struct pci_device_id rtw89_8922ae_id_table[] = {
 		PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x8922),
 		.driver_data = (kernel_ulong_t)&rtw89_8922ae_info,
 	},
+	{
+		PCI_DEVICE(PCI_VENDOR_ID_REALTEK, 0x892B),
+		.driver_data = (kernel_ulong_t)&rtw89_8922ae_vs_info,
+	},
 	{},
 };
 MODULE_DEVICE_TABLE(pci, rtw89_8922ae_id_table);
@@ -96,5 +110,5 @@ static struct pci_driver rtw89_8922ae_driver = {
 module_pci_driver(rtw89_8922ae_driver);
 
 MODULE_AUTHOR("Realtek Corporation");
-MODULE_DESCRIPTION("Realtek 802.11be wireless 8922AE driver");
+MODULE_DESCRIPTION("Realtek 802.11be wireless 8922AE/8922AE-VS driver");
 MODULE_LICENSE("Dual BSD/GPL");