From 90773b94ca5b423c5786dbf0f607f793684e172a Mon Sep 17 00:00:00 2001
From: coolsnowwolf <coolsnowwolf@gmail.com>
Date: Thu, 5 Jun 2025 14:09:06 +0800
Subject: [PATCH] mac80211: add ath12k PCI support

---
 package/kernel/mac80211/Makefile              |  2 ++
 package/kernel/mac80211/ath.mk                | 23 +++++++++++++++++--
 ...0-ath12k-prevent-ltssm-startup-crash.patch | 17 ++++++++++++++
 3 files changed, 40 insertions(+), 2 deletions(-)
 create mode 100644 package/kernel/mac80211/patches/ath12k/100-ath12k-prevent-ltssm-startup-crash.patch

diff --git a/package/kernel/mac80211/Makefile b/package/kernel/mac80211/Makefile
index d32efc734..cc7538faa 100644
--- a/package/kernel/mac80211/Makefile
+++ b/package/kernel/mac80211/Makefile
@@ -343,6 +343,7 @@ define Build/Patch
 	$(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/ath9k,ath9k/)
 	$(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/ath10k,ath10k/)
 	$(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/ath11k,ath11k/)
+	$(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/ath12k,ath12k/)
 	$(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/rt2x00,rt2x00/)
 	$(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/mt7601u,mt7601u/)
 	$(call PatchDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/mwl,mwl/)
@@ -359,6 +360,7 @@ define Quilt/Refresh/Package
 	$(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/ath9k,ath9k/)
 	$(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/ath10k,ath10k/)
 	$(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/ath11k,ath11k/)
+	$(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/ath12k,ath12k/)
 	$(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/rt2x00,rt2x00/)
 	$(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/mt7601u,mt7601u/)
 	$(call Quilt/RefreshDir,$(PKG_BUILD_DIR),$(PATCH_DIR)/mwl,mwl/)
diff --git a/package/kernel/mac80211/ath.mk b/package/kernel/mac80211/ath.mk
index c8051ea53..0ffed56e4 100644
--- a/package/kernel/mac80211/ath.mk
+++ b/package/kernel/mac80211/ath.mk
@@ -1,7 +1,7 @@
 PKG_DRIVERS += \
 	ath ath5k ath6kl ath6kl-sdio ath6kl-usb ath9k ath9k-common ath9k-htc \
 	ath10k ath10k-pci ath10k-sdio ath10k-smallbuffers ath11k ath11k-ahb \
-	ath11k-pci ar5523 carl9170 owl-loader wil6210 qcom-qmi-helpers
+	ath11k-pci ath12k ar5523 carl9170 owl-loader wil6210 qcom-qmi-helpers
 
 PKG_CONFIG_DEPENDS += \
 	CONFIG_PACKAGE_ATH_DEBUG \
@@ -22,6 +22,7 @@ ifdef CONFIG_PACKAGE_MAC80211_DEBUGFS
 	ATH9K_HTC_DEBUGFS \
 	ATH10K_DEBUGFS \
 	ATH11K_DEBUGFS \
+	ATH12K_DEBUGFS \
 	CARL9170_DEBUGFS \
 	ATH5K_DEBUG \
 	ATH6KL_DEBUG \
@@ -32,6 +33,7 @@ ifdef CONFIG_PACKAGE_MAC80211_TRACING
   config-y += \
 	ATH10K_TRACING \
 	ATH11K_TRACING \
+	ATH12K_TRACING \
 	ATH6KL_TRACING \
 	ATH_TRACEPOINTS \
 	ATH5K_TRACER \
@@ -40,7 +42,7 @@ endif
 
 config-$(call config_package,qcom-qmi-helpers) += QCOM_QMI_HELPERS
 config-$(call config_package,ath) += ATH_CARDS ATH_COMMON
-config-$(CONFIG_PACKAGE_ATH_DEBUG) += ATH_DEBUG ATH10K_DEBUG ATH11K_DEBUG ATH9K_STATION_STATISTICS
+config-$(CONFIG_PACKAGE_ATH_DEBUG) += ATH_DEBUG ATH10K_DEBUG ATH11K_DEBUG ATH12K_DEBUG ATH9K_STATION_STATISTICS
 config-$(CONFIG_PACKAGE_ATH_DFS) += ATH9K_DFS_CERTIFIED ATH10K_DFS_CERTIFIED
 config-$(CONFIG_PACKAGE_ATH_SPECTRAL) += ATH9K_COMMON_SPECTRAL ATH10K_SPECTRAL ATH11K_SPECTRAL
 config-$(CONFIG_PACKAGE_ATH_DYNACK) += ATH9K_DYNACK
@@ -68,6 +70,7 @@ config-$(call config_package,ath10k-smallbuffers) += ATH10K ATH10K_PCI ATH10K_SM
 config-$(call config_package,ath11k) += ATH11K
 config-$(call config_package,ath11k-ahb) += ATH11K_AHB
 config-$(call config_package,ath11k-pci) += ATH11K_PCI
+config-$(call config_package,ath12k) += ATH12K
 
 config-$(call config_package,ath5k) += ATH5K ATH5K_PCI
 
@@ -385,6 +388,22 @@ This module adds support for Qualcomm Technologies 802.11ax family of
 chipsets with PCI bus.
 endef
 
+define KernelPackage/ath12k
+  $(call KernelPackage/mac80211/Default)
+  TITLE:=Qualcomm 802.11be wireless chipset support
+  URL:=https://wireless.wiki.kernel.org/en/users/drivers/ath12k
+  DEPENDS+= @PCI_SUPPORT +kmod-ath +@DRIVER_11AC_SUPPORT +@DRIVER_11AX_SUPPORT \
+  +kmod-crypto-michael-mic +kmod-qrtr-mhi \
+  +kmod-qcom-qmi-helpers
+  FILES:=$(PKG_BUILD_DIR)/drivers/net/wireless/ath/ath12k/ath12k.ko
+  AUTOLOAD:=$(call AutoProbe,ath12k)
+endef
+
+define KernelPackage/ath12k/description
+This module adds support for Qualcomm Technologies 802.11be family of
+chipsets with PCI bus.
+endef
+
 define KernelPackage/carl9170
   $(call KernelPackage/mac80211/Default)
   TITLE:=Driver for Atheros AR9170 USB sticks
diff --git a/package/kernel/mac80211/patches/ath12k/100-ath12k-prevent-ltssm-startup-crash.patch b/package/kernel/mac80211/patches/ath12k/100-ath12k-prevent-ltssm-startup-crash.patch
new file mode 100644
index 000000000..cd85a0f6a
--- /dev/null
+++ b/package/kernel/mac80211/patches/ath12k/100-ath12k-prevent-ltssm-startup-crash.patch
@@ -0,0 +1,17 @@
+Fix ltssm crashes on BPI-Rx boards.
+Seems read32/write32 using wrong address which
+is not a problem on x86/64 PCI controllers.
+But have issues on BPI-Rx boards.
+
+--- a/drivers/net/wireless/ath/ath12k/pci.c
++++ b/drivers/net/wireless/ath/ath12k/pci.c
+@@ -277,6 +277,9 @@ static void ath12k_pci_enable_ltssm(stru
+ 	u32 val;
+ 	int i;
+ 
++	/* Prevent startup crash on BPI-Rx */
++	return;
++
+ 	val = ath12k_pci_read32(ab, PCIE_PCIE_PARF_LTSSM);
+ 
+ 	/* PCIE link seems very unstable after the Hot Reset*/