Enable Lenovo Slim 7X Bluetooth #25

smedir · 2024-10-21T22:16:59Z

smedir
Oct 21, 2024

I followed your guide for WCN6855 chipset bluetooth.

I don't see any messages in dmesg for bluetooth at all.

I put in the hpnv* files in the qca directory in firmware/updates.

No bluetooth.....

Answered by smedir

Oct 24, 2024

This works-

This diff to the Lenovo dtb file-

diff --git a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
index bd0965229..4f948e8f2 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
+++ b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
@@ -17,6 +17,11 @@ / {
 	model = "Lenovo Yoga Slim 7x";
 	compatible = "lenovo,yoga-slim7x", "qcom,x1e80100";
 
+	aliases {
+		serial0 = &uart21;
+		serial1 = &uart14;
+	};
+
 	gpio-keys {
 		compatible = "gpio-keys";
 		pinctrl-0 = <&hall_int_n_default>;
@@ -512,6 +517,65 @@ vreg_l3j_0p8: ldo3 {
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
 		};
 	…

View full answer

smedir · 2024-10-22T09:40:45Z

smedir
Oct 22, 2024
Author

sudo modprobe btqca does show dmesg-

[ 4118.964655] Bluetooth: Core ver 2.22
[ 4118.964683] NET: Registered PF_BLUETOOTH protocol family
[ 4118.964685] Bluetooth: HCI device and connection manager initialized
[ 4118.964690] Bluetooth: HCI socket layer initialized
[ 4118.964692] Bluetooth: L2CAP socket layer initialized
[ 4118.964696] Bluetooth: SCO socket layer initialized

lsmdod | grep btqca shows

btqca                  20480  0
bluetooth             696320  9 btqca

systemctl start bluetooth, then journalctl -r -u bluetooth shows-

Oct 22 05:22:19 SnapDragon-Yoga bluetoothd[9831]: Bluetooth management interface 1.23 initialized
Oct 22 05:22:19 SnapDragon-Yoga bluetoothd[9831]: src/plugin.c:init_plugin() System does not support asha plugin
Oct 22 05:22:19 SnapDragon-Yoga bluetoothd[9831]: src/plugin.c:init_plugin() System does not support csip plugin
Oct 22 05:22:19 SnapDragon-Yoga bluetoothd[9831]: src/plugin.c:init_plugin() System does not support ccp plugin
Oct 22 05:22:19 SnapDragon-Yoga bluetoothd[9831]: src/plugin.c:init_plugin() System does not support micp plugin
Oct 22 05:22:19 SnapDragon-Yoga bluetoothd[9831]: profiles/audio/micp.c:micp_init() D-Bus experimental not enabled
Oct 22 05:22:19 SnapDragon-Yoga bluetoothd[9831]: src/plugin.c:init_plugin() System does not support vcp plugin
Oct 22 05:22:19 SnapDragon-Yoga bluetoothd[9831]: src/plugin.c:init_plugin() System does not support mcp plugin
Oct 22 05:22:19 SnapDragon-Yoga bluetoothd[9831]: src/plugin.c:init_plugin() System does not support bass plugin
Oct 22 05:22:19 SnapDragon-Yoga bluetoothd[9831]: src/plugin.c:init_plugin() System does not support bap plugin
Oct 22 05:22:19 SnapDragon-Yoga bluetoothd[9831]: src/plugin.c:init_plugin() System does not support network plugin
Oct 22 05:22:19 SnapDragon-Yoga bluetoothd[9831]: profiles/network/bnep.c:bnep_init() kernel lacks bnep-protocol support
Oct 22 05:22:19 SnapDragon-Yoga bluetoothd[9831]: Starting SDP server
Oct 22 05:22:19 SnapDragon-Yoga systemd[1]: Started bluetooth.service - Bluetooth service.

9 replies

smedir Oct 23, 2024
Author

I applied, from the HP omniboot to the yoga silim dts-

diff --git a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
index bd0965229..d76969d90 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
+++ b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
@@ -828,6 +828,15 @@ &tlmm {
                               <44 4>, /* SPI (TPM) */
                               <238 1>; /* UFS Reset */
 
+        bt_en_default: bt-en-sleep {
+                pins = "gpio116";
+                function = "gpio";
+                output-low;
+                bias-disable;
+                drive-strength = <16>;
+        };
+
+
        ec_int_n_default: ec-int-n-state {
                pins = "gpio66";
                function = "gpio";
@@ -929,6 +938,30 @@ reset-n-pins {
 
 };
 
+&uart14 {
+        status = "okay";
+
+        bluetooth: bt_wcn6855 {
+                compatible = "qcom,wcn6855-bt";
+
+                pinctrl-names = "default";
+                pinctrl-0 = <&bt_en_default>;
+
+//              vddio-supply = <&vreg_s10b>;
+//              vddbtcxmx-supply = <&vreg_s12b>;
+//              vddrfacmn-supply = <&vreg_s12b>;
+//              vddrfa0p8-supply = <&vreg_s12b>;
+//              vddrfa1p2-supply = <&vreg_s11b>;
+//              vddrfa1p7-supply = <&vreg_s1c>;
+
+                max-speed = <3200000>;
+
+                enable-gpios = <&tlmm 116 GPIO_ACTIVE_HIGH>;
+        };
+};

Not working

jglathe Oct 23, 2024
Maintainer

Nope, you need wcn7850 (ath12k chippery). I would recommend you tkae from the CRD or QCP and apply these as described

smedir Oct 23, 2024
Author

Ok with the correct definition, bluetooth module loads, but does not work correctly. Looks like it is looking for some firmware that it cannot find,,.

197.491784] Bluetooth: hci0: QCA Product ID   :0x00000019
[  197.491802] Bluetooth: hci0: QCA SOC Version  :0x40170200
[  197.491808] Bluetooth: hci0: QCA ROM Version  :0x00000200
[  197.491812] Bluetooth: hci0: QCA Patch Version:0x000043fb
[  197.504278] Bluetooth: hci0: QCA controller version 0x02000200
[  197.504291] Bluetooth: hci0: QCA Downloading qca/hmtbtfw20.tlv
[  197.504305] firmware_class: __allocate_fw_priv: fw-qca/hmtbtfw20.tlv fw_priv=00000000b7d409ba
[  197.504345] bluetooth hci0: loading /lib/firmware/updates/6.12.0-rc3/qca/hmtbtfw20.tlv failed for no such file or directory.
[  197.504358] bluetooth hci0: loading /lib/firmware/updates/qca/hmtbtfw20.tlv failed for no such file or directory.
[  197.504367] bluetooth hci0: loading /lib/firmware/6.12.0-rc3/qca/hmtbtfw20.tlv failed for no such file or directory.
[  197.504375] bluetooth hci0: loading /lib/firmware/qca/hmtbtfw20.tlv failed for no such file or directory.
[  197.504383] bluetooth hci0: loading /lib/firmware/updates/6.12.0-rc3/qca/hmtbtfw20.tlv.zst failed for no such file or directory.
[  197.504392] bluetooth hci0: loading /lib/firmware/updates/qca/hmtbtfw20.tlv.zst failed for no such file or directory.
[  197.504399] bluetooth hci0: loading /lib/firmware/6.12.0-rc3/qca/hmtbtfw20.tlv.zst failed for no such file or directory.
[  197.504407] bluetooth hci0: loading /lib/firmware/qca/hmtbtfw20.tlv.zst failed for no such file or directory.
[  197.504415] bluetooth hci0: loading /lib/firmware/updates/6.12.0-rc3/qca/hmtbtfw20.tlv.xz failed for no such file or directory.
[  197.504424] bluetooth hci0: loading /lib/firmware/updates/qca/hmtbtfw20.tlv.xz failed for no such file or directory.
[  197.504431] bluetooth hci0: loading /lib/firmware/6.12.0-rc3/qca/hmtbtfw20.tlv.xz failed for no such file or directory.
[  197.504439] bluetooth hci0: loading /lib/firmware/qca/hmtbtfw20.tlv.xz failed for no such file or directory.
[  197.504443] bluetooth hci0: Direct firmware load for qca/hmtbtfw20.tlv failed with error -2
[  197.504450] firmware_class: __free_fw_priv: fw-qca/hmtbtfw20.tlv fw_priv=00000000b7d409ba data=0000000000000000 size=0
[  197.504458] Bluetooth: hci0: QCA Failed to request file: qca/hmtbtfw20.tlv (-2)
[  197.504464] Bluetooth: hci0: QCA Failed to download patch (-2)
[  197.504578] Bluetooth: hci0: unexpected event for opcode 0xfc48
[  282.219984] Bluetooth: hci0: setting up wcn7850
[  282.280988] Bluetooth: hci0: QCA Product ID   :0x00000019
[  282.281005] Bluetooth: hci0: QCA SOC Version  :0x40170200
[  282.281009] Bluetooth: hci0: QCA ROM Version  :0x00000200
[  282.281012] Bluetooth: hci0: QCA Patch Version:0x000043fb
[  282.292235] Bluetooth: hci0: QCA controller version 0x02000200
[  282.292260] Bluetooth: hci0: QCA Downloading qca/hmtbtfw20.tlv
[  282.292275] firmware_class: __allocate_fw_priv: fw-qca/hmtbtfw20.tlv fw_priv=00000000a67d0a19
[  282.292321] bluetooth hci0: loading /lib/firmware/updates/6.12.0-rc3/qca/hmtbtfw20.tlv failed for no such file or directory.
[  282.292334] bluetooth hci0: loading /lib/firmware/updates/qca/hmtbtfw20.tlv failed for no such file or directory.
[  282.292345] bluetooth hci0: loading /lib/firmware/6.12.0-rc3/qca/hmtbtfw20.tlv failed for no such file or directory.
[  282.292353] bluetooth hci0: loading /lib/firmware/qca/hmtbtfw20.tlv failed for no such file or directory.
[  282.292361] bluetooth hci0: loading /lib/firmware/updates/6.12.0-rc3/qca/hmtbtfw20.tlv.zst failed for no such file or directory.
[  282.292371] bluetooth hci0: loading /lib/firmware/updates/qca/hmtbtfw20.tlv.zst failed for no such file or directory.
[  282.292379] bluetooth hci0: loading /lib/firmware/6.12.0-rc3/qca/hmtbtfw20.tlv.zst failed for no such file or directory.
[  282.292386] bluetooth hci0: loading /lib/firmware/qca/hmtbtfw20.tlv.zst failed for no such file or directory.
[  282.292394] bluetooth hci0: loading /lib/firmware/updates/6.12.0-rc3/qca/hmtbtfw20.tlv.xz failed for no such file or directory.
[  282.292404] bluetooth hci0: loading /lib/firmware/updates/qca/hmtbtfw20.tlv.xz failed for no such file or directory.
[  282.292411] bluetooth hci0: loading /lib/firmware/6.12.0-rc3/qca/hmtbtfw20.tlv.xz failed for no such file or directory.
[  282.292419] bluetooth hci0: loading /lib/firmware/qca/hmtbtfw20.tlv.xz failed for no such file or directory.
:

smedir Oct 24, 2024
Author

This works-

This diff to the Lenovo dtb file-

diff --git a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
index bd0965229..4f948e8f2 100644
--- a/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
+++ b/arch/arm64/boot/dts/qcom/x1e80100-lenovo-yoga-slim7x.dts
@@ -17,6 +17,11 @@ / {
 	model = "Lenovo Yoga Slim 7x";
 	compatible = "lenovo,yoga-slim7x", "qcom,x1e80100";
 
+	aliases {
+		serial0 = &uart21;
+		serial1 = &uart14;
+	};
+
 	gpio-keys {
 		compatible = "gpio-keys";
 		pinctrl-0 = <&hall_int_n_default>;
@@ -512,6 +517,65 @@ vreg_l3j_0p8: ldo3 {
 			regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>;
 		};
 	};
+	
+	wcn7850-pmu {
+		compatible = "qcom,wcn7850-pmu";
+
+		// vdd-supply = <&vreg_wcn_0p95>;
+		vddio-supply = <&vreg_l15b_1p8>;
+		// vddaon-supply = <&vreg_wcn_0p95>;
+		// vdddig-supply = <&vreg_wcn_0p95>;
+		// vddrfa1p2-supply = <&vreg_wcn_1p9>;
+		// vddrfa1p8-supply = <&vreg_wcn_1p9>;
+
+		wlan-enable-gpios = <&tlmm 117 GPIO_ACTIVE_HIGH>;
+		bt-enable-gpios = <&tlmm 116 GPIO_ACTIVE_HIGH>;
+
+		//pinctrl-0 = <&wcn_wlan_bt_en>;
+		pinctrl-names = "default";
+
+		regulators {
+			vreg_pmu_rfa_cmn: ldo0 {
+				regulator-name = "vreg_pmu_rfa_cmn";
+			};
+
+			vreg_pmu_aon_0p59: ldo1 {
+				regulator-name = "vreg_pmu_aon_0p59";
+			};
+
+			vreg_pmu_wlcx_0p8: ldo2 {
+				regulator-name = "vreg_pmu_wlcx_0p8";
+			};
+
+			vreg_pmu_wlmx_0p85: ldo3 {
+				regulator-name = "vreg_pmu_wlmx_0p85";
+			};
+
+			vreg_pmu_btcmx_0p85: ldo4 {
+				regulator-name = "vreg_pmu_btcmx_0p85";
+			};
+
+			vreg_pmu_rfa_0p8: ldo5 {
+				regulator-name = "vreg_pmu_rfa_0p8";
+			};
+
+			vreg_pmu_rfa_1p2: ldo6 {
+				regulator-name = "vreg_pmu_rfa_1p2";
+			};
+
+			vreg_pmu_rfa_1p8: ldo7 {
+				regulator-name = "vreg_pmu_rfa_1p8";
+			};
+
+			vreg_pmu_pcie_0p9: ldo8 {
+				regulator-name = "vreg_pmu_pcie_0p9";
+			};
+
+			vreg_pmu_pcie_1p8: ldo9 {
+				regulator-name = "vreg_pmu_pcie_1p8";
+			};
+		};
+	};
 };
 
 &gpu {
@@ -683,7 +747,15 @@ wifi@0 {
 		compatible = "pci17cb,1107";
 		reg = <0x10000 0x0 0x0 0x0 0x0>;
 
-		qcom,ath12k-calibration-variant = "LES790";
+		vddaon-supply = <&vreg_pmu_aon_0p59>;
+		vddwlcx-supply = <&vreg_pmu_wlcx_0p8>;
+		vddwlmx-supply = <&vreg_pmu_wlmx_0p85>;
+		vddrfacmn-supply = <&vreg_pmu_rfa_cmn>;
+		vddrfa0p8-supply = <&vreg_pmu_rfa_0p8>;
+		vddrfa1p2-supply = <&vreg_pmu_rfa_1p2>;
+		vddrfa1p8-supply = <&vreg_pmu_rfa_1p8>;
+		vddpcie0p9-supply = <&vreg_pmu_pcie_0p9>;
+		vddpcie1p8-supply = <&vreg_pmu_pcie_1p8>;
 	};
 };
 
@@ -929,6 +1001,28 @@ reset-n-pins {
 
 };
 
+&uart14 {
+	status = "okay";
+
+	bluetooth {
+		compatible = "qcom,wcn7850-bt";
+		max-speed = <3200000>;
+
+		vddaon-supply = <&vreg_pmu_aon_0p59>;
+		vddwlcx-supply = <&vreg_pmu_wlcx_0p8>;
+		vddwlmx-supply = <&vreg_pmu_wlmx_0p85>;
+		vddrfacmn-supply = <&vreg_pmu_rfa_cmn>;
+		vddrfa0p8-supply = <&vreg_pmu_rfa_0p8>;
+		vddrfa1p2-supply = <&vreg_pmu_rfa_1p2>;
+		vddrfa1p8-supply = <&vreg_pmu_rfa_1p8>;
+	};
+};
+
+&uart21 {
+	compatible = "qcom,geni-debug-uart";
+	status = "okay";
+};
+
 &usb_1_ss0_hsphy {
 	vdd-supply = <&vreg_l3j_0p8>;
 	vdda12-supply = <&vreg_l2j_1p2>;

Firmware files, from windows partition need to be fetched and put in the firmware/updates/qca or firmware/qca folder for proper loading-

[   24.381815] bluetooth hci0: Loaded FW: qca/hmtbtfw20.tlv, sha256: acea48c5c297040bad1c18a80e88d36135b20a38d0ca0e4422d9134512d8fac5
[   25.590709] bluetooth hci0: Loaded FW: qca/hmtnv20.b112, sha256: 570a0c5e42b7ca9e6cd90b550bb26e086b1c1e23e8b905c36148a7f82e628a2b
[  438.726968] bluetooth hci0: Loaded FW: qca/hmtbtfw20.tlv, sha256: acea48c5c297040bad1c18a80e88d36135b20a38d0ca0e4422d9134512d8fac5
[  439.970353] bluetooth hci0: Loaded FW: qca/hmtnv20.b112, sha256: 570a0c5e42b7ca9e6cd90b550bb26e086b1c1e23e8b905c36148a7f82e628a2b
[  442.043284] bluetooth hci0: Loaded FW: qca/hmtbtfw20.tlv, sha256: acea48c5c297040bad1c18a80e88d36135b20a38d0ca0e4422d9134512d8fac5
[  443.337000] bluetooth hci0: Loaded FW: qca/hmtnv20.b112, sha256: 570a0c5e42b7ca9e6cd90b550bb26e086b1c1e23e8b905c36148a7f82e628a2b

Thanks for all the pointers

Answer selected by smedir

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Enable Lenovo Slim 7X Bluetooth #25

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Enable Lenovo Slim 7X Bluetooth #25

smedir Oct 21, 2024

Replies: 1 comment · 9 replies

smedir Oct 22, 2024 Author

smedir Oct 23, 2024 Author

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Oct 21, 2024

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smedir
Oct 22, 2024
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jglathe Oct 23, 2024
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smedir Oct 23, 2024
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smedir Oct 24, 2024
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