Merge tag 'v6.14-rc4' into next

Sync up with the mainline.

72 files changed, 7778 insertions, 319 deletions

diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 4d2a89d65b65..dfc245867a46 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -570,6 +570,8 @@ config HID_LED
 
 config HID_LENOVO
 	tristate "Lenovo / Thinkpad devices"
+	depends on ACPI
+	select ACPI_PLATFORM_PROFILE
 	select NEW_LEDS
 	select LEDS_CLASS
 	help
@@ -787,7 +789,7 @@ config HID_NINTENDO
 	Adds support for the Nintendo Switch Joy-Cons, NSO, Pro Controller.
 	All controllers support bluetooth, and the Pro Controller also supports
 	its USB mode. This also includes support for the Nintendo Switch Online
-	Controllers which include the Genesis, SNES, and N64 controllers.
+	Controllers which include the NES, Genesis, SNES, and N64 controllers.
 
 	To compile this driver as a module, choose M here: the
 	module will be called hid-nintendo.
@@ -1167,7 +1169,8 @@ config HID_TOPRE
 	tristate "Topre REALFORCE keyboards"
 	depends on HID
 	help
-	  Say Y for N-key rollover support on Topre REALFORCE R2 108/87 key keyboards.
+	  Say Y for N-key rollover support on Topre REALFORCE R2 108/87 key and
+          Topre REALFORCE R3S 87 key keyboards.
 
 config HID_THINGM
 	tristate "ThingM blink(1) USB RGB LED"
@@ -1374,10 +1377,6 @@ endmenu
 
 source "drivers/hid/bpf/Kconfig"
 
-endif # HID
-
-source "drivers/hid/usbhid/Kconfig"
-
 source "drivers/hid/i2c-hid/Kconfig"
 
 source "drivers/hid/intel-ish-hid/Kconfig"
@@ -1386,4 +1385,12 @@ source "drivers/hid/amd-sfh-hid/Kconfig"
 
 source "drivers/hid/surface-hid/Kconfig"
 
+source "drivers/hid/intel-thc-hid/Kconfig"
+
+endif # HID
+
+# USB support may be used with HID disabled
+
+source "drivers/hid/usbhid/Kconfig"
+
 endif # HID_SUPPORT
diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile
index 24de45f3677d..482b096eea28 100644
--- a/drivers/hid/Makefile
+++ b/drivers/hid/Makefile
@@ -171,3 +171,5 @@ obj-$(INTEL_ISH_FIRMWARE_DOWNLOADER)	+= intel-ish-hid/
 obj-$(CONFIG_AMD_SFH_HID)       += amd-sfh-hid/
 
 obj-$(CONFIG_SURFACE_HID_CORE)  += surface-hid/
+
+obj-$(CONFIG_INTEL_THC_HID)     += intel-thc-hid/
diff --git a/drivers/hid/amd-sfh-hid/Kconfig b/drivers/hid/amd-sfh-hid/Kconfig
index 329de5e12c1a..3291786a5ee6 100644
--- a/drivers/hid/amd-sfh-hid/Kconfig
+++ b/drivers/hid/amd-sfh-hid/Kconfig
@@ -5,7 +5,6 @@ menu "AMD SFH HID Support"
 
 config AMD_SFH_HID
 	tristate "AMD Sensor Fusion Hub"
-	depends on HID
 	depends on X86
 	help
 	  If you say yes to this option, support will be included for the
diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_common.h b/drivers/hid/amd-sfh-hid/amd_sfh_common.h
index e5620d7db569..799b8686a88a 100644
--- a/drivers/hid/amd-sfh-hid/amd_sfh_common.h
+++ b/drivers/hid/amd-sfh-hid/amd_sfh_common.h
@@ -43,6 +43,7 @@ struct amd_mp2_sensor_info {
 struct sfh_dev_status {
 	bool is_hpd_present;
 	bool is_als_present;
+	bool is_sra_present;
 };
 
 struct amd_mp2_dev {
diff --git a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
index 0c28ca349bcd..48cfd0c58241 100644
--- a/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
+++ b/drivers/hid/amd-sfh-hid/amd_sfh_pcie.c
@@ -122,7 +122,7 @@ int amd_sfh_irq_init_v2(struct amd_mp2_dev *privdata)
 {
 	int rc;
 
-	pci_intx(privdata->pdev, true);
+	pcim_intx(privdata->pdev, true);
 
 	rc = devm_request_irq(&privdata->pdev->dev, privdata->pdev->irq,
 			      amd_sfh_irq_handler, 0, DRIVER_NAME, privdata);
@@ -248,7 +248,7 @@ static void amd_mp2_pci_remove(void *privdata)
 	struct amd_mp2_dev *mp2 = privdata;
 	amd_sfh_hid_client_deinit(privdata);
 	mp2->mp2_ops->stop_all(mp2);
-	pci_intx(mp2->pdev, false);
+	pcim_intx(mp2->pdev, false);
 	amd_sfh_clear_intr(mp2);
 }
 
diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c
index db36d87d5634..e9929c4aa72e 100644
--- a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c
+++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_init.c
@@ -30,6 +30,7 @@ static int amd_sfh_get_sensor_num(struct amd_mp2_dev *mp2, u8 *sensor_id)
 		case ACCEL_IDX:
 		case GYRO_IDX:
 		case MAG_IDX:
+		case SRA_IDX:
 		case ALS_IDX:
 		case HPD_IDX:
 			if (BIT(i) & slist->sl.sensors)
@@ -58,6 +59,8 @@ static const char *get_sensor_name(int idx)
 		return "gyroscope";
 	case MAG_IDX:
 		return "magnetometer";
+	case SRA_IDX:
+		return "SRA";
 	case ALS_IDX:
 		return "ALS";
 	case HPD_IDX:
@@ -130,6 +133,23 @@ static int amd_sfh1_1_hid_client_init(struct amd_mp2_dev *privdata)
 
 	for (i = 0; i < cl_data->num_hid_devices; i++) {
 		cl_data->sensor_sts[i] = SENSOR_DISABLED;
+
+		if (cl_data->num_hid_devices == 1 && cl_data->sensor_idx[0] == SRA_IDX)
+			break;
+
+		if (cl_data->sensor_idx[i] == SRA_IDX) {
+			info.sensor_idx = cl_data->sensor_idx[i];
+			writel(0, privdata->mmio + amd_get_p2c_val(privdata, 0));
+			mp2_ops->start(privdata, info);
+			status = amd_sfh_wait_for_response
+				(privdata, cl_data->sensor_idx[i], ENABLE_SENSOR);
+
+			cl_data->sensor_sts[i] = (status == 0) ? SENSOR_ENABLED : SENSOR_DISABLED;
+			if (cl_data->sensor_sts[i] == SENSOR_ENABLED)
+				privdata->dev_en.is_sra_present = true;
+			continue;
+		}
+
 		cl_data->sensor_requested_cnt[i] = 0;
 		cl_data->cur_hid_dev = i;
 		cl_idx = cl_data->sensor_idx[i];
@@ -181,6 +201,8 @@ static int amd_sfh1_1_hid_client_init(struct amd_mp2_dev *privdata)
 	}
 
 	for (i = 0; i < cl_data->num_hid_devices; i++) {
+		if (cl_data->sensor_idx[i] == SRA_IDX)
+			continue;
 		cl_data->cur_hid_dev = i;
 		if (cl_data->sensor_sts[i] == SENSOR_ENABLED) {
 			cl_data->is_any_sensor_enabled = true;
@@ -289,7 +311,7 @@ static void amd_mp2_pci_remove(void *privdata)
 	sfh_deinit_emp2();
 	amd_sfh_hid_client_deinit(privdata);
 	mp2->mp2_ops->stop_all(mp2);
-	pci_intx(mp2->pdev, false);
+	pcim_intx(mp2->pdev, false);
 	amd_sfh_clear_intr(mp2);
 }
 
diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c
index 4676f060da26..ffb98b4c36cb 100644
--- a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c
+++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.c
@@ -87,6 +87,41 @@ void sfh_interface_init(struct amd_mp2_dev *mp2)
 	emp2 = mp2;
 }
 
+static int amd_sfh_mode_info(u32 *platform_type, u32 *laptop_placement)
+{
+	struct sfh_op_mode mode;
+
+	if (!platform_type || !laptop_placement)
+		return -EINVAL;
+
+	if (!emp2 || !emp2->dev_en.is_sra_present)
+		return -ENODEV;
+
+	mode.val = readl(emp2->mmio + amd_get_c2p_val(emp2, 3));
+
+	*platform_type = mode.op_mode.devicemode;
+
+	if (mode.op_mode.ontablestate == 1) {
+		*laptop_placement = ON_TABLE;
+	} else if (mode.op_mode.ontablestate == 2) {
+		*laptop_placement = ON_LAP_MOTION;
+	} else if (mode.op_mode.inbagstate == 1) {
+		*laptop_placement = IN_BAG;
+	} else if (mode.op_mode.outbagstate == 1) {
+		*laptop_placement = OUT_OF_BAG;
+	} else if (mode.op_mode.ontablestate == 0 || mode.op_mode.inbagstate == 0 ||
+		 mode.op_mode.outbagstate == 0) {
+		*laptop_placement = LP_UNKNOWN;
+		pr_warn_once("Unknown laptop placement\n");
+	} else if (mode.op_mode.ontablestate == 3 || mode.op_mode.inbagstate == 3 ||
+		 mode.op_mode.outbagstate == 3) {
+		*laptop_placement = LP_UNDEFINED;
+		pr_warn_once("Undefined laptop placement\n");
+	}
+
+	return 0;
+}
+
 static int amd_sfh_hpd_info(u8 *user_present)
 {
 	struct hpd_status hpdstatus;
@@ -131,6 +166,9 @@ int amd_get_sfh_info(struct amd_sfh_info *sfh_info, enum sfh_message_type op)
 			return amd_sfh_hpd_info(&sfh_info->user_present);
 		case MT_ALS:
 			return amd_sfh_als_info(&sfh_info->ambient_light);
+		case MT_SRA:
+			return amd_sfh_mode_info(&sfh_info->platform_type,
+						 &sfh_info->laptop_placement);
 		}
 	}
 	return -EINVAL;
diff --git a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.h b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.h
index 2c211d28764d..665c99ad779f 100644
--- a/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.h
+++ b/drivers/hid/amd-sfh-hid/sfh1_1/amd_sfh_interface.h
@@ -22,8 +22,9 @@ enum sensor_index {
 	ACCEL_IDX,
 	GYRO_IDX,
 	MAG_IDX,
-	ALS_IDX = 4,
-	HPD_IDX = 5,
+	SRA_IDX,
+	ALS_IDX,
+	HPD_IDX,
 	MAX_IDX = 15,
 };
 
@@ -164,6 +165,25 @@ struct hpd_status {
 	};
 };
 
+struct sfh_op_mode {
+	union {
+		u32 val;
+		struct {
+			u32 mode		: 3;
+			u32 lidstatus		: 1;
+			u32 angle		: 10;
+			u32 inbagstatedbg	: 2;
+			u32 ontablestate	: 2;
+			u32 inbagstate		: 2;
+			u32 outbagstate		: 2;
+			u32 inbagmlcstate	: 1;
+			u32 powerstate		: 2;
+			u32 data		: 3;
+			u32 devicemode		: 4;
+		} op_mode;
+	};
+};
+
 void sfh_interface_init(struct amd_mp2_dev *mp2);
 void sfh_deinit_emp2(void);
 void amd_sfh1_1_set_desc_ops(struct amd_mp2_ops *mp2_ops);
diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index 7e1ae2a2bcc2..49812a76b7ed 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -474,6 +474,7 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
 			 hid->product == USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_2015)
 			table = magic_keyboard_2015_fn_keys;
 		else if (hid->product == USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021 ||
+			 hid->product == USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2024 ||
 			 hid->product == USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_FINGERPRINT_2021 ||
 			 hid->product == USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_2021)
 			table = apple2021_fn_keys;
@@ -545,6 +546,9 @@ static int hidinput_apple_event(struct hid_device *hid, struct input_dev *input,
 		}
 	}
 
+	if (usage->hid == 0xc0301) /* Omoton KB066 quirk */
+		code = KEY_F6;
+
 	if (usage->code != code) {
 		input_event_with_scancode(input, usage->type, code, usage->hid, value);
 
@@ -1150,6 +1154,10 @@ static const struct hid_device_id apple_devices[] = {
 		.driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK | APPLE_RDESC_BATTERY },
 	{ HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021),
 		.driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2024),
+		.driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK | APPLE_RDESC_BATTERY },
+	{ HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2024),
+		.driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_FINGERPRINT_2021),
 		.driver_data = APPLE_HAS_FN | APPLE_ISO_TILDE_QUIRK | APPLE_RDESC_BATTERY },
 	{ HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_FINGERPRINT_2021),
diff --git a/drivers/hid/hid-asus.c b/drivers/hid/hid-asus.c
index 506c6f377e7d..46e3e42f9eb5 100644
--- a/drivers/hid/hid-asus.c
+++ b/drivers/hid/hid-asus.c
@@ -432,6 +432,26 @@ static int asus_kbd_get_functions(struct hid_device *hdev,
 	return ret;
 }
 
+static int asus_kbd_disable_oobe(struct hid_device *hdev)
+{
+	const u8 init[][6] = {
+		{ FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 },
+		{ FEATURE_KBD_REPORT_ID, 0xBA, 0xC5, 0xC4 },
+		{ FEATURE_KBD_REPORT_ID, 0xD0, 0x8F, 0x01 },
+		{ FEATURE_KBD_REPORT_ID, 0xD0, 0x85, 0xFF }
+	};
+	int ret;
+
+	for (size_t i = 0; i < ARRAY_SIZE(init); i++) {
+		ret = asus_kbd_set_report(hdev, init[i], sizeof(init[i]));
+		if (ret < 0)
+			return ret;
+	}
+
+	hid_info(hdev, "Disabled OOBE for keyboard\n");
+	return 0;
+}
+
 static void asus_schedule_work(struct asus_kbd_leds *led)
 {
 	unsigned long flags;
@@ -534,6 +554,12 @@ static int asus_kbd_register_leds(struct hid_device *hdev)
 		ret = asus_kbd_init(hdev, FEATURE_KBD_LED_REPORT_ID2);
 		if (ret < 0)
 			return ret;
+
+		if (dmi_match(DMI_PRODUCT_FAMILY, "ProArt P16")) {
+			ret = asus_kbd_disable_oobe(hdev);
+			if (ret < 0)
+				return ret;
+		}
 	} else {
 		/* Initialize keyboard */
 		ret = asus_kbd_init(hdev, FEATURE_KBD_REPORT_ID);
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 33a191973324..4497b50799db 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1163,6 +1163,8 @@ static void hid_apply_multiplier(struct hid_device *hid,
 	while (multiplier_collection->parent_idx != -1 &&
 	       multiplier_collection->type != HID_COLLECTION_LOGICAL)
 		multiplier_collection = &hid->collection[multiplier_collection->parent_idx];
+	if (multiplier_collection->type != HID_COLLECTION_LOGICAL)
+		multiplier_collection = NULL;
 
 	effective_multiplier = hid_calculate_multiplier(hid, multiplier);
 
@@ -2174,9 +2176,9 @@ static bool hid_hiddev(struct hid_device *hdev)
 
 
 static ssize_t
-read_report_descriptor(struct file *filp, struct kobject *kobj,
-		struct bin_attribute *attr,
-		char *buf, loff_t off, size_t count)
+report_descriptor_read(struct file *filp, struct kobject *kobj,
+		       const struct bin_attribute *attr,
+		       char *buf, loff_t off, size_t count)
 {
 	struct device *dev = kobj_to_dev(kobj);
 	struct hid_device *hdev = to_hid_device(dev);
@@ -2193,24 +2195,17 @@ read_report_descriptor(struct file *filp, struct kobject *kobj,
 }
 
 static ssize_t
-show_country(struct device *dev, struct device_attribute *attr,
-		char *buf)
+country_show(struct device *dev, struct device_attribute *attr,
+	     char *buf)
 {
 	struct hid_device *hdev = to_hid_device(dev);
 
 	return sprintf(buf, "%02x\n", hdev->country & 0xff);
 }
 
-static struct bin_attribute dev_bin_attr_report_desc = {
-	.attr = { .name = "report_descriptor", .mode = 0444 },
-	.read = read_report_descriptor,
-	.size = HID_MAX_DESCRIPTOR_SIZE,
-};
+static const BIN_ATTR_RO(report_descriptor, HID_MAX_DESCRIPTOR_SIZE);
 
-static const struct device_attribute dev_attr_country = {
-	.attr = { .name = "country", .mode = 0444 },
-	.show = show_country,
-};
+static const DEVICE_ATTR_RO(country);
 
 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
 {
@@ -2800,13 +2795,13 @@ static struct attribute *hid_dev_attrs[] = {
 	&dev_attr_modalias.attr,
 	NULL,
 };
-static struct bin_attribute *hid_dev_bin_attrs[] = {
-	&dev_bin_attr_report_desc,
+static const struct bin_attribute *hid_dev_bin_attrs[] = {
+	&bin_attr_report_descriptor,
 	NULL
 };
 static const struct attribute_group hid_dev_group = {
 	.attrs = hid_dev_attrs,
-	.bin_attrs = hid_dev_bin_attrs,
+	.bin_attrs_new = hid_dev_bin_attrs,
 };
 __ATTRIBUTE_GROUPS(hid_dev);
 
diff --git a/drivers/hid/hid-corsair-void.c b/drivers/hid/hid-corsair-void.c
index 6ece56b850fc..56e858066c3c 100644
--- a/drivers/hid/hid-corsair-void.c
+++ b/drivers/hid/hid-corsair-void.c
@@ -553,7 +553,7 @@ static void corsair_void_battery_remove_work_handler(struct work_struct *work)
 static void corsair_void_battery_add_work_handler(struct work_struct *work)
 {
 	struct corsair_void_drvdata *drvdata;
-	struct power_supply_config psy_cfg;
+	struct power_supply_config psy_cfg = {};
 	struct power_supply *new_supply;
 
 	drvdata = container_of(work, struct corsair_void_drvdata,
@@ -726,6 +726,7 @@ static void corsair_void_remove(struct hid_device *hid_dev)
 	if (drvdata->battery)
 		power_supply_unregister(drvdata->battery);
 
+	cancel_delayed_work_sync(&drvdata->delayed_status_work);
 	cancel_delayed_work_sync(&drvdata->delayed_firmware_work);
 	sysfs_remove_group(&hid_dev->dev.kobj, &corsair_void_attr_group);
 }
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 1f47fda809b9..7e400624908e 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -184,6 +184,7 @@
 #define USB_DEVICE_ID_APPLE_IRCONTROL4	0x8242
 #define USB_DEVICE_ID_APPLE_IRCONTROL5	0x8243
 #define USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2021   0x029c
+#define USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_2024   0x0320
 #define USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_FINGERPRINT_2021   0x029a
 #define USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_2021   0x029f
 #define USB_DEVICE_ID_APPLE_TOUCHBAR_BACKLIGHT 0x8102
@@ -506,7 +507,6 @@
 #define USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100 0xe100
 
 #define I2C_VENDOR_ID_GOODIX		0x27c6
-#define I2C_DEVICE_ID_GOODIX_01E0	0x01e0
 #define I2C_DEVICE_ID_GOODIX_01E8	0x01e8
 #define I2C_DEVICE_ID_GOODIX_01E9	0x01e9
 #define I2C_DEVICE_ID_GOODIX_01F0	0x01f0
@@ -1089,11 +1089,14 @@
 #define USB_VENDOR_ID_PRODIGE		0x05af
 #define USB_DEVICE_ID_PRODIGE_CORDLESS	0x3062
 
+#define I2C_VENDOR_ID_QTEC              0x6243
+
 #define USB_VENDOR_ID_QUANTA		0x0408
 #define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH		0x3000
 #define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001		0x3001
 #define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3003		0x3003
 #define USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008		0x3008
+#define USB_DEVICE_ID_QUANTA_HP_5MP_CAMERA_5473		0x5473
 
 #define I2C_VENDOR_ID_RAYDIUM		0x2386
 #define I2C_PRODUCT_ID_RAYDIUM_4B33	0x4b33
@@ -1300,6 +1303,7 @@
 #define USB_VENDOR_ID_TOPRE			0x0853
 #define USB_DEVICE_ID_TOPRE_REALFORCE_R2_108			0x0148
 #define USB_DEVICE_ID_TOPRE_REALFORCE_R2_87			0x0146
+#define USB_DEVICE_ID_TOPRE_REALFORCE_R3S_87			0x0313
 
 #define USB_VENDOR_ID_TOPSEED		0x0766
 #define USB_DEVICE_ID_TOPSEED_CYBERLINK	0x0204
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index fda9dce3da99..9d80635a91eb 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -810,10 +810,23 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 			break;
 		}
 
-		if ((usage->hid & 0xf0) == 0x90) { /* SystemControl*/
-			switch (usage->hid & 0xf) {
-			case 0xb: map_key_clear(KEY_DO_NOT_DISTURB); break;
-			default: goto ignore;
+		if ((usage->hid & 0xf0) == 0x90) { /* SystemControl & D-pad */
+			switch (usage->hid) {
+			case HID_GD_UP:	   usage->hat_dir = 1; break;
+			case HID_GD_DOWN:  usage->hat_dir = 5; break;
+			case HID_GD_RIGHT: usage->hat_dir = 3; break;
+			case HID_GD_LEFT:  usage->hat_dir = 7; break;
+			case HID_GD_DO_NOT_DISTURB:
+				map_key_clear(KEY_DO_NOT_DISTURB); break;
+			default: goto unknown;
+			}
+
+			if (usage->hid <= HID_GD_LEFT) {
+				if (field->dpad) {
+					map_abs(field->dpad);
+					goto ignore;
+				}
+				map_abs(ABS_HAT0X);
 			}
 			break;
 		}
@@ -844,22 +857,6 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 		if (field->application == HID_GD_SYSTEM_CONTROL)
 			goto ignore;
 
-		if ((usage->hid & 0xf0) == 0x90) {	/* D-pad */
-			switch (usage->hid) {
-			case HID_GD_UP:	   usage->hat_dir = 1; break;
-			case HID_GD_DOWN:  usage->hat_dir = 5; break;
-			case HID_GD_RIGHT: usage->hat_dir = 3; break;
-			case HID_GD_LEFT:  usage->hat_dir = 7; break;
-			default: goto unknown;
-			}
-			if (field->dpad) {
-				map_abs(field->dpad);
-				goto ignore;
-			}
-			map_abs(ABS_HAT0X);
-			break;
-		}
-
 		switch (usage->hid) {
 		/* These usage IDs map directly to the usage codes. */
 		case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
diff --git a/drivers/hid/hid-lenovo.c b/drivers/hid/hid-lenovo.c
index f66194fde891..a7d9ca02779e 100644
--- a/drivers/hid/hid-lenovo.c
+++ b/drivers/hid/hid-lenovo.c
@@ -32,11 +32,20 @@
 #include <linux/leds.h>
 #include <linux/workqueue.h>
 
+#include <linux/platform_profile.h>
+
 #include "hid-ids.h"
 
 /* Userspace expects F20 for mic-mute KEY_MICMUTE does not work */
 #define LENOVO_KEY_MICMUTE KEY_F20
 
+/* HID raw events for ThinkPad X12 Tabs*/
+#define TP_X12_RAW_HOTKEY_FN_F4		0x00020003
+#define TP_X12_RAW_HOTKEY_FN_F8		0x38001003
+#define TP_X12_RAW_HOTKEY_FN_F10	0x00000803
+#define TP_X12_RAW_HOTKEY_FN_F12	0x00000403
+#define TP_X12_RAW_HOTKEY_FN_SPACE	0x18001003
+
 struct lenovo_drvdata {
 	u8 led_report[3]; /* Must be first for proper alignment */
 	int led_state;
@@ -71,6 +80,14 @@ struct lenovo_drvdata {
 #define TP10UBKBD_LED_OFF		1
 #define TP10UBKBD_LED_ON		2
 
+/* Function to report raw_events as key events*/
+static inline void report_key_event(struct input_dev *input, int keycode)
+{
+	input_report_key(input, keycode, 1);
+	input_report_key(input, keycode, 0);
+	input_sync(input);
+}
+
 static int lenovo_led_set_tp10ubkbd(struct hid_device *hdev, u8 led_code,
 				    enum led_brightness value)
 {
@@ -472,6 +489,8 @@ static int lenovo_input_mapping(struct hid_device *hdev,
 	case USB_DEVICE_ID_LENOVO_TP10UBKBD:
 		return lenovo_input_mapping_tp10_ultrabook_kbd(hdev, hi, field,
 							       usage, bit, max);
+	case USB_DEVICE_ID_LENOVO_X12_TAB:
+	case USB_DEVICE_ID_LENOVO_X12_TAB2:
 	case USB_DEVICE_ID_LENOVO_X1_TAB:
 	case USB_DEVICE_ID_LENOVO_X1_TAB3:
 		return lenovo_input_mapping_x1_tab_kbd(hdev, hi, field, usage, bit, max);
@@ -582,6 +601,8 @@ static ssize_t attr_fn_lock_store(struct device *dev,
 	case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
 		lenovo_features_set_cptkbd(hdev);
 		break;
+	case USB_DEVICE_ID_LENOVO_X12_TAB:
+	case USB_DEVICE_ID_LENOVO_X12_TAB2:
 	case USB_DEVICE_ID_LENOVO_TP10UBKBD:
 	case USB_DEVICE_ID_LENOVO_X1_TAB:
 	case USB_DEVICE_ID_LENOVO_X1_TAB3:
@@ -680,6 +701,59 @@ static const struct attribute_group lenovo_attr_group_cptkbd = {
 	.attrs = lenovo_attributes_cptkbd,
 };
 
+/* Function to handle Lenovo Thinkpad TAB X12's HID raw inputs for fn keys*/
+static int lenovo_raw_event_TP_X12_tab(struct hid_device *hdev, u32 raw_data)
+{
+	struct hid_input *hidinput;
+	struct input_dev *input = NULL;
+
+	/* Iterate through all associated input devices */
+	list_for_each_entry(hidinput, &hdev->inputs, list) {
+		input = hidinput->input;
+		if (!input)
+			continue;
+
+		switch (raw_data) {
+			/* fn-F20 being used here for MIC mute*/
+		case TP_X12_RAW_HOTKEY_FN_F4:
+			report_key_event(input, LENOVO_KEY_MICMUTE);
+			return 1;
+		/* Power-mode or Airplane mode will be called based on the device*/
+		case TP_X12_RAW_HOTKEY_FN_F8:
+			/*
+			 * TP X12 TAB uses Fn-F8 calls Airplanemode
+			 * Whereas TP X12 TAB2 uses Fn-F8 for toggling
+			 * Power modes
+			 */
+			if (hdev->product == USB_DEVICE_ID_LENOVO_X12_TAB) {
+				report_key_event(input, KEY_RFKILL);
+				return 1;
+			} else {
+				platform_profile_cycle();
+				return 1;
+			}
+			return 0;
+		case TP_X12_RAW_HOTKEY_FN_F10:
+			/* TAB1 has PICKUP Phone and TAB2 use Snipping tool*/
+			(hdev->product == USB_DEVICE_ID_LENOVO_X12_TAB) ?
+			report_key_event(input, KEY_PICKUP_PHONE) :
+			report_key_event(input, KEY_SELECTIVE_SCREENSHOT);
+			return 1;
+		case TP_X12_RAW_HOTKEY_FN_F12:
+			/* BookMarks/STAR key*/
+			report_key_event(input, KEY_BOOKMARKS);
+			return 1;
+		case TP_X12_RAW_HOTKEY_FN_SPACE:
+			/* Keyboard LED backlight toggle*/
+			report_key_event(input, KEY_KBDILLUMTOGGLE);
+			return 1;
+		default:
+			break;
+		}
+	}
+	return 0;
+}
+
 static int lenovo_raw_event(struct hid_device *hdev,
 			struct hid_report *report, u8 *data, int size)
 {
@@ -697,6 +771,15 @@ static int lenovo_raw_event(struct hid_device *hdev,
 		data[2] = 0x01;
 	}
 
+	/*
+	 * Lenovo TP X12 Tab KBD's Fn+XX is HID raw data defined. Report ID is 0x03
+	 * e.g.: Raw data received for MIC mute is 0x00020003.
+	 */
+	if (unlikely((hdev->product == USB_DEVICE_ID_LENOVO_X12_TAB
+			|| hdev->product == USB_DEVICE_ID_LENOVO_X12_TAB2)
+			&& size >= 3 && report->id == 0x03))
+		return lenovo_raw_event_TP_X12_tab(hdev, le32_to_cpu(*(u32 *)data));
+
 	return 0;
 }
 
@@ -776,6 +859,8 @@ static int lenovo_event(struct hid_device *hdev, struct hid_field *field,
 	case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
 	case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
 		return lenovo_event_cptkbd(hdev, field, usage, value);
+	case USB_DEVICE_ID_LENOVO_X12_TAB:
+	case USB_DEVICE_ID_LENOVO_X12_TAB2:
 	case USB_DEVICE_ID_LENOVO_TP10UBKBD:
 	case USB_DEVICE_ID_LENOVO_X1_TAB:
 	case USB_DEVICE_ID_LENOVO_X1_TAB3:
@@ -1057,6 +1142,8 @@ static int lenovo_led_brightness_set(struct led_classdev *led_cdev,
 	case USB_DEVICE_ID_LENOVO_TPKBD:
 		lenovo_led_set_tpkbd(hdev);
 		break;
+	case USB_DEVICE_ID_LENOVO_X12_TAB:
+	case USB_DEVICE_ID_LENOVO_X12_TAB2:
 	case USB_DEVICE_ID_LENOVO_TP10UBKBD:
 	case USB_DEVICE_ID_LENOVO_X1_TAB:
 	case USB_DEVICE_ID_LENOVO_X1_TAB3:
@@ -1243,8 +1330,15 @@ static int lenovo_probe_tp10ubkbd(struct hid_device *hdev)
 	 * We cannot read the state, only set it, so we force it to on here
 	 * (which should be a no-op) to make sure that our state matches the
 	 * keyboard's FN-lock state. This is the same as what Windows does.
+	 *
+	 * For X12 TAB and TAB2, the default windows behaviour Fn-lock Off.
+	 * Adding additional check to ensure the behaviour in case of
+	 * Thinkpad X12 Tabs.
 	 */
-	data->fn_lock = true;
+
+	data->fn_lock = !(hdev->product == USB_DEVICE_ID_LENOVO_X12_TAB ||
+			hdev->product == USB_DEVICE_ID_LENOVO_X12_TAB2);
+
 	lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, data->fn_lock);
 
 	ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd);
@@ -1288,6 +1382,8 @@ static int lenovo_probe(struct hid_device *hdev,
 	case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
 		ret = lenovo_probe_cptkbd(hdev);
 		break;
+	case USB_DEVICE_ID_LENOVO_X12_TAB:
+	case USB_DEVICE_ID_LENOVO_X12_TAB2:
 	case USB_DEVICE_ID_LENOVO_TP10UBKBD:
 	case USB_DEVICE_ID_LENOVO_X1_TAB:
 	case USB_DEVICE_ID_LENOVO_X1_TAB3:
@@ -1375,6 +1471,8 @@ static void lenovo_remove(struct hid_device *hdev)
 	case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
 		lenovo_remove_cptkbd(hdev);
 		break;
+	case USB_DEVICE_ID_LENOVO_X12_TAB:
+	case USB_DEVICE_ID_LENOVO_X12_TAB2:
 	case USB_DEVICE_ID_LENOVO_TP10UBKBD:
 	case USB_DEVICE_ID_LENOVO_X1_TAB:
 	case USB_DEVICE_ID_LENOVO_X1_TAB3:
@@ -1429,6 +1527,10 @@ static const struct hid_device_id lenovo_devices[] = {
 		     USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB) },
 	{ HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
 		     USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB3) },
+	{ HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
+		     USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X12_TAB) },
+	{ HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
+		     USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X12_TAB2) },
 	{ }
 };
 
diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c
index ec110dea8772..a76f17158539 100644
--- a/drivers/hid/hid-magicmouse.c
+++ b/drivers/hid/hid-magicmouse.c
@@ -52,6 +52,7 @@ module_param(report_undeciphered, bool, 0644);
 MODULE_PARM_DESC(report_undeciphered, "Report undeciphered multi-touch state field using a MSC_RAW event");
 
 #define TRACKPAD2_2021_BT_VERSION 0x110
+#define TRACKPAD_2024_BT_VERSION 0x314
 
 #define TRACKPAD_REPORT_ID 0x28
 #define TRACKPAD2_USB_REPORT_ID 0x02
@@ -567,9 +568,12 @@ static int magicmouse_setup_input(struct input_dev *input, struct hid_device *hd
 		 */
 		if (hdev->vendor == BT_VENDOR_ID_APPLE) {
 			if (input->id.version == TRACKPAD2_2021_BT_VERSION)
+				input->name = "Apple Inc. Magic Trackpad 2021";
+			else if (input->id.version == TRACKPAD_2024_BT_VERSION) {
+				input->name = "Apple Inc. Magic Trackpad USB-C";
+			} else {
 				input->name = "Apple Inc. Magic Trackpad";
-			else
-				input->name = "Apple Inc. Magic Trackpad 2";
+			}
 		} else { /* USB_VENDOR_ID_APPLE */
 			input->name = hdev->name;
 		}
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 785743036647..e50887a6d22c 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -1460,8 +1460,7 @@ static const __u8 *mt_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 {
 	if (hdev->vendor == I2C_VENDOR_ID_GOODIX &&
 	    (hdev->product == I2C_DEVICE_ID_GOODIX_01E8 ||
-	     hdev->product == I2C_DEVICE_ID_GOODIX_01E9 ||
-		 hdev->product == I2C_DEVICE_ID_GOODIX_01E0)) {
+	     hdev->product == I2C_DEVICE_ID_GOODIX_01E9)) {
 		if (rdesc[607] == 0x15) {
 			rdesc[607] = 0x25;
 			dev_info(
@@ -1680,9 +1679,12 @@ static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
 		break;
 	}
 
-	if (suffix)
+	if (suffix) {
 		hi->input->name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
 						 "%s %s", hdev->name, suffix);
+		if (!hi->input->name)
+			return -ENOMEM;
+	}
 
 	return 0;
 }
@@ -2086,9 +2088,6 @@ static const struct hid_device_id mt_devices[] = {
 	{ .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU,
 	  HID_DEVICE(BUS_I2C, HID_GROUP_ANY, I2C_VENDOR_ID_GOODIX,
 		     I2C_DEVICE_ID_GOODIX_01E9) },
-	{ .driver_data = MT_CLS_WIN_8_FORCE_MULTI_INPUT_NSMU,
-	  HID_DEVICE(BUS_I2C, HID_GROUP_ANY, I2C_VENDOR_ID_GOODIX,
-		     I2C_DEVICE_ID_GOODIX_01E0) },
 
 	/* GoodTouch panels */
 	{ .driver_data = MT_CLS_NSMU,
@@ -2318,6 +2317,11 @@ static const struct hid_device_id mt_devices[] = {
 		HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_SIS_TOUCH,
 			HID_ANY_ID) },
 
+	/* Hantick */
+	{ .driver_data = MT_CLS_NSMU,
+		HID_DEVICE(BUS_I2C, HID_GROUP_MULTITOUCH_WIN_8,
+			   I2C_VENDOR_ID_HANTICK, I2C_PRODUCT_ID_HANTICK_5288) },
+
 	/* Generic MT device */
 	{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
 
diff --git a/drivers/hid/hid-nintendo.c b/drivers/hid/hid-nintendo.c
index 55153a2f7988..11ac246176ae 100644
--- a/drivers/hid/hid-nintendo.c
+++ b/drivers/hid/hid-nintendo.c
@@ -456,14 +456,13 @@ static const struct joycon_ctlr_button_mapping snescon_button_mappings[] = {
 	{ /* sentinel */ },
 };
 
-/*
- * "A", "B", and "C" are mapped positionally, rather than by label (e.g., "A"
- * gets assigned to BTN_EAST instead of BTN_A).
- */
 static const struct joycon_ctlr_button_mapping gencon_button_mappings[] = {
-	{ BTN_SOUTH,	JC_BTN_A,	},
-	{ BTN_EAST,	JC_BTN_B,	},
-	{ BTN_WEST,	JC_BTN_R,	},
+	{ BTN_A,	JC_BTN_A,	},
+	{ BTN_B,	JC_BTN_B,	},
+	{ BTN_C,	JC_BTN_R,	},
+	{ BTN_X,	JC_BTN_X,	}, /* MD/GEN 6B Only */
+	{ BTN_Y,	JC_BTN_Y,	}, /* MD/GEN 6B Only */
+	{ BTN_Z,	JC_BTN_L,	}, /* MD/GEN 6B Only */
 	{ BTN_SELECT,	JC_BTN_ZR,	},
 	{ BTN_START,	JC_BTN_PLUS,	},
 	{ BTN_MODE,	JC_BTN_HOME,	},
@@ -471,9 +470,6 @@ static const struct joycon_ctlr_button_mapping gencon_button_mappings[] = {
 	{ /* sentinel */ },
 };
 
-/*
- * N64's C buttons get assigned to d-pad directions and registered as buttons.
- */
 static const struct joycon_ctlr_button_mapping n64con_button_mappings[] = {
 	{ BTN_A,		JC_BTN_A,	},
 	{ BTN_B,		JC_BTN_B,	},
diff --git a/drivers/hid/hid-quirks.c b/drivers/hid/hid-quirks.c
index e0bbf0c6345d..5d7a418ccdbe 100644
--- a/drivers/hid/hid-quirks.c
+++ b/drivers/hid/hid-quirks.c
@@ -891,6 +891,7 @@ static const struct hid_device_id hid_ignore_list[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
 #endif
 	{ HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_HP_5MP_CAMERA_5473) },
 	{ }
 };
 
diff --git a/drivers/hid/hid-roccat-arvo.c b/drivers/hid/hid-roccat-arvo.c
index d55aaabab1ed..3048297569c5 100644
--- a/drivers/hid/hid-roccat-arvo.c
+++ b/drivers/hid/hid-roccat-arvo.c
@@ -224,24 +224,24 @@ static ssize_t arvo_sysfs_read(struct file *fp,
 }
 
 static ssize_t arvo_sysfs_write_button(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
+		struct kobject *kobj, const struct bin_attribute *attr,
+		char *buf, loff_t off, size_t count)
 {
 	return arvo_sysfs_write(fp, kobj, buf, off, count,
 			sizeof(struct arvo_button), ARVO_COMMAND_BUTTON);
 }
-static BIN_ATTR(button, 0220, NULL, arvo_sysfs_write_button,
-		sizeof(struct arvo_button));
+static const BIN_ATTR(button, 0220, NULL, arvo_sysfs_write_button,
+		      sizeof(struct arvo_button));
 
 static ssize_t arvo_sysfs_read_info(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
+		struct kobject *kobj, const struct bin_attribute *attr,
+		char *buf, loff_t off, size_t count)
 {
 	return arvo_sysfs_read(fp, kobj, buf, off, count,
 			sizeof(struct arvo_info), ARVO_COMMAND_INFO);
 }
-static BIN_ATTR(info, 0440, arvo_sysfs_read_info, NULL,
-		sizeof(struct arvo_info));
+static const BIN_ATTR(info, 0440, arvo_sysfs_read_info, NULL,
+		      sizeof(struct arvo_info));
 
 static struct attribute *arvo_attrs[] = {
 	&dev_attr_mode_key.attr,
@@ -250,7 +250,7 @@ static struct attribute *arvo_attrs[] = {
 	NULL,
 };
 
-static struct bin_attribute *arvo_bin_attributes[] = {
+static const struct bin_attribute *const arvo_bin_attributes[] = {
 	&bin_attr_button,
 	&bin_attr_info,
 	NULL,
@@ -258,7 +258,7 @@ static struct bin_attribute *arvo_bin_attributes[] = {
 
 static const struct attribute_group arvo_group = {
 	.attrs = arvo_attrs,
-	.bin_attrs = arvo_bin_attributes,
+	.bin_attrs_new = arvo_bin_attributes,
 };
 
 static const struct attribute_group *arvo_groups[] = {
diff --git a/drivers/hid/hid-roccat-common.h b/drivers/hid/hid-roccat-common.h
index 839ddfd931f0..0f9a2db04df9 100644
--- a/drivers/hid/hid-roccat-common.h
+++ b/drivers/hid/hid-roccat-common.h
@@ -46,8 +46,8 @@ ssize_t roccat_common2_sysfs_write(struct file *fp, struct kobject *kobj,
 
 #define ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE) \
 static ssize_t roccat_common2_sysfs_write_ ## thingy(struct file *fp, \
-		struct kobject *kobj, struct bin_attribute *attr, char *buf, \
-		loff_t off, size_t count) \
+		struct kobject *kobj, const struct bin_attribute *attr, \
+		char *buf, loff_t off, size_t count) \
 { \
 	return roccat_common2_sysfs_write(fp, kobj, buf, off, count, \
 			SIZE, COMMAND); \
@@ -55,8 +55,8 @@ static ssize_t roccat_common2_sysfs_write_ ## thingy(struct file *fp, \
 
 #define ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE) \
 static ssize_t roccat_common2_sysfs_read_ ## thingy(struct file *fp, \
-		struct kobject *kobj, struct bin_attribute *attr, char *buf, \
-		loff_t off, size_t count) \
+		struct kobject *kobj, const struct bin_attribute *attr, \
+		char *buf, loff_t off, size_t count) \
 { \
 	return roccat_common2_sysfs_read(fp, kobj, buf, off, count, \
 			SIZE, COMMAND); \
@@ -68,27 +68,27 @@ ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE)
 
 #define ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(thingy, COMMAND, SIZE) \
 ROCCAT_COMMON2_SYSFS_RW(thingy, COMMAND, SIZE); \
-static struct bin_attribute bin_attr_ ## thingy = { \
+static const struct bin_attribute bin_attr_ ## thingy = { \
 	.attr = { .name = #thingy, .mode = 0660 }, \
 	.size = SIZE, \
-	.read = roccat_common2_sysfs_read_ ## thingy, \
-	.write = roccat_common2_sysfs_write_ ## thingy \
+	.read_new = roccat_common2_sysfs_read_ ## thingy, \
+	.write_new = roccat_common2_sysfs_write_ ## thingy \
 }
 
 #define ROCCAT_COMMON2_BIN_ATTRIBUTE_R(thingy, COMMAND, SIZE) \
 ROCCAT_COMMON2_SYSFS_R(thingy, COMMAND, SIZE); \
-static struct bin_attribute bin_attr_ ## thingy = { \
+static const struct bin_attribute bin_attr_ ## thingy = { \
 	.attr = { .name = #thingy, .mode = 0440 }, \
 	.size = SIZE, \
-	.read = roccat_common2_sysfs_read_ ## thingy, \
+	.read_new = roccat_common2_sysfs_read_ ## thingy, \
 }
 
 #define ROCCAT_COMMON2_BIN_ATTRIBUTE_W(thingy, COMMAND, SIZE) \
 ROCCAT_COMMON2_SYSFS_W(thingy, COMMAND, SIZE); \
-static struct bin_attribute bin_attr_ ## thingy = { \
+static const struct bin_attribute bin_attr_ ## thingy = { \
 	.attr = { .name = #thingy, .mode = 0220 }, \
 	.size = SIZE, \
-	.write = roccat_common2_sysfs_write_ ## thingy \
+	.write_new = roccat_common2_sysfs_write_ ## thingy \
 }
 
 #endif
diff --git a/drivers/hid/hid-roccat-isku.c b/drivers/hid/hid-roccat-isku.c
index 0cd6208fb371..65a84bfcc2f8 100644
--- a/drivers/hid/hid-roccat-isku.c
+++ b/drivers/hid/hid-roccat-isku.c
@@ -156,7 +156,7 @@ static ssize_t isku_sysfs_write(struct file *fp, struct kobject *kobj,
 
 #define ISKU_SYSFS_W(thingy, THINGY) \
 static ssize_t isku_sysfs_write_ ## thingy(struct file *fp, struct kobject *kobj, \
-		struct bin_attribute *attr, char *buf, \
+		const struct bin_attribute *attr, char *buf, \
 		loff_t off, size_t count) \
 { \
 	return isku_sysfs_write(fp, kobj, buf, off, count, \
@@ -165,7 +165,7 @@ static ssize_t isku_sysfs_write_ ## thingy(struct file *fp, struct kobject *kobj
 
 #define ISKU_SYSFS_R(thingy, THINGY) \
 static ssize_t isku_sysfs_read_ ## thingy(struct file *fp, struct kobject *kobj, \
-		struct bin_attribute *attr, char *buf, \
+		const struct bin_attribute *attr, char *buf, \
 		loff_t off, size_t count) \
 { \
 	return isku_sysfs_read(fp, kobj, buf, off, count, \
@@ -178,27 +178,27 @@ ISKU_SYSFS_W(thingy, THINGY)
 
 #define ISKU_BIN_ATTR_RW(thingy, THINGY) \
 ISKU_SYSFS_RW(thingy, THINGY); \
-static struct bin_attribute bin_attr_##thingy = { \
+static const struct bin_attribute bin_attr_##thingy = { \
 	.attr = { .name = #thingy, .mode = 0660 }, \
 	.size = ISKU_SIZE_ ## THINGY, \
-	.read = isku_sysfs_read_ ## thingy, \
-	.write = isku_sysfs_write_ ## thingy \
+	.read_new = isku_sysfs_read_ ## thingy, \
+	.write_new = isku_sysfs_write_ ## thingy \
 }
 
 #define ISKU_BIN_ATTR_R(thingy, THINGY) \
 ISKU_SYSFS_R(thingy, THINGY); \
-static struct bin_attribute bin_attr_##thingy = { \
+static const struct bin_attribute bin_attr_##thingy = { \
 	.attr = { .name = #thingy, .mode = 0440 }, \
 	.size = ISKU_SIZE_ ## THINGY, \
-	.read = isku_sysfs_read_ ## thingy, \
+	.read_new = isku_sysfs_read_ ## thingy, \
 }
 
 #define ISKU_BIN_ATTR_W(thingy, THINGY) \
 ISKU_SYSFS_W(thingy, THINGY); \
-static struct bin_attribute bin_attr_##thingy = { \
+static const struct bin_attribute bin_attr_##thingy = { \
 	.attr = { .name = #thingy, .mode = 0220 }, \
 	.size = ISKU_SIZE_ ## THINGY, \
-	.write = isku_sysfs_write_ ## thingy \
+	.write_new = isku_sysfs_write_ ## thingy \
 }
 
 ISKU_BIN_ATTR_RW(macro, MACRO);
@@ -217,7 +217,7 @@ ISKU_BIN_ATTR_W(control, CONTROL);
 ISKU_BIN_ATTR_W(reset, RESET);
 ISKU_BIN_ATTR_R(info, INFO);
 
-static struct bin_attribute *isku_bin_attributes[] = {
+static const struct bin_attribute *const isku_bin_attributes[] = {
 	&bin_attr_macro,
 	&bin_attr_keys_function,
 	&bin_attr_keys_easyzone,
@@ -238,7 +238,7 @@ static struct bin_attribute *isku_bin_attributes[] = {
 
 static const struct attribute_group isku_group = {
 	.attrs = isku_attrs,
-	.bin_attrs = isku_bin_attributes,
+	.bin_attrs_new = isku_bin_attributes,
 };
 
 static const struct attribute_group *isku_groups[] = {
diff --git a/drivers/hid/hid-roccat-kone.c b/drivers/hid/hid-roccat-kone.c
index 3f8f459edcf3..b3c0242e5a37 100644
--- a/drivers/hid/hid-roccat-kone.c
+++ b/drivers/hid/hid-roccat-kone.c
@@ -261,7 +261,7 @@ static int kone_get_firmware_version(struct usb_device *usb_dev, int *result)
 }
 
 static ssize_t kone_sysfs_read_settings(struct file *fp, struct kobject *kobj,
-		struct bin_attribute *attr, char *buf,
+		const struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count) {
 	struct device *dev = kobj_to_dev(kobj)->parent->parent;
 	struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
@@ -285,7 +285,7 @@ static ssize_t kone_sysfs_read_settings(struct file *fp, struct kobject *kobj,
  * case of error the old data is still valid
  */
 static ssize_t kone_sysfs_write_settings(struct file *fp, struct kobject *kobj,
-		struct bin_attribute *attr, char *buf,
+		const struct bin_attribute *attr, char *buf,
 		loff_t off, size_t count) {
 	struct device *dev = kobj_to_dev(kobj)->parent->parent;
 	struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
@@ -327,11 +327,11 @@ unlock:
 
 	return sizeof(struct kone_settings);
 }
-static BIN_ATTR(settings, 0660, kone_sysfs_read_settings,
-		kone_sysfs_write_settings, sizeof(struct kone_settings));
+static const BIN_ATTR(settings, 0660, kone_sysfs_read_settings,
+		      kone_sysfs_write_settings, sizeof(struct kone_settings));
 
 static ssize_t kone_sysfs_read_profilex(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr,
+		struct kobject *kobj, const struct bin_attribute *attr,
 		char *buf, loff_t off, size_t count) {
 	struct device *dev = kobj_to_dev(kobj)->parent->parent;
 	struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
@@ -351,7 +351,7 @@ static ssize_t kone_sysfs_read_profilex(struct file *fp,
 
 /* Writes data only if different to stored data */
 static ssize_t kone_sysfs_write_profilex(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr,
+		struct kobject *kobj, const struct bin_attribute *attr,
 		char *buf, loff_t off, size_t count) {
 	struct device *dev = kobj_to_dev(kobj)->parent->parent;
 	struct kone_device *kone = hid_get_drvdata(dev_get_drvdata(dev));
@@ -382,11 +382,11 @@ static ssize_t kone_sysfs_write_profilex(struct file *fp,
 	return sizeof(struct kone_profile);
 }
 #define PROFILE_ATTR(number)					\
-static struct bin_attribute bin_attr_profile##number = {	\
+static const struct bin_attribute bin_attr_profile##number = {	\
 	.attr = { .name = "profile" #number, .mode = 0660 },	\
 	.size = sizeof(struct kone_profile),			\
-	.read = kone_sysfs_read_profilex,			\
-	.write = kone_sysfs_write_profilex,			\
+	.read_new = kone_sysfs_read_profilex,			\
+	.write_new = kone_sysfs_write_profilex,			\
 	.private = &profile_numbers[number-1],			\
 }
 PROFILE_ATTR(1);
@@ -634,7 +634,7 @@ static struct attribute *kone_attrs[] = {
 	NULL,
 };
 
-static struct bin_attribute *kone_bin_attributes[] = {
+static const struct bin_attribute *const kone_bin_attributes[] = {
 	&bin_attr_settings,
 	&bin_attr_profile1,
 	&bin_attr_profile2,
@@ -646,7 +646,7 @@ static struct bin_attribute *kone_bin_attributes[] = {
 
 static const struct attribute_group kone_group = {
 	.attrs = kone_attrs,
-	.bin_attrs = kone_bin_attributes,
+	.bin_attrs_new = kone_bin_attributes,
 };
 
 static const struct attribute_group *kone_groups[] = {
diff --git a/drivers/hid/hid-roccat-koneplus.c b/drivers/hid/hid-roccat-koneplus.c
index 8ccb3b14a1a9..5d8a5ce88b4c 100644
--- a/drivers/hid/hid-roccat-koneplus.c
+++ b/drivers/hid/hid-roccat-koneplus.c
@@ -128,8 +128,8 @@ static ssize_t koneplus_sysfs_write(struct file *fp, struct kobject *kobj,
 
 #define KONEPLUS_SYSFS_W(thingy, THINGY) \
 static ssize_t koneplus_sysfs_write_ ## thingy(struct file *fp, \
-		struct kobject *kobj, struct bin_attribute *attr, char *buf, \
-		loff_t off, size_t count) \
+		struct kobject *kobj, const struct bin_attribute *attr, \
+		char *buf, loff_t off, size_t count) \
 { \
 	return koneplus_sysfs_write(fp, kobj, buf, off, count, \
 			KONEPLUS_SIZE_ ## THINGY, KONEPLUS_COMMAND_ ## THINGY); \
@@ -137,8 +137,8 @@ static ssize_t koneplus_sysfs_write_ ## thingy(struct file *fp, \
 
 #define KONEPLUS_SYSFS_R(thingy, THINGY) \
 static ssize_t koneplus_sysfs_read_ ## thingy(struct file *fp, \
-		struct kobject *kobj, struct bin_attribute *attr, char *buf, \
-		loff_t off, size_t count) \
+		struct kobject *kobj, const struct bin_attribute *attr, \
+		char *buf, loff_t off, size_t count) \
 { \
 	return koneplus_sysfs_read(fp, kobj, buf, off, count, \
 			KONEPLUS_SIZE_ ## THINGY, KONEPLUS_COMMAND_ ## THINGY); \
@@ -150,27 +150,27 @@ KONEPLUS_SYSFS_R(thingy, THINGY)
 
 #define KONEPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \
 KONEPLUS_SYSFS_RW(thingy, THINGY); \
-static struct bin_attribute bin_attr_##thingy = { \
+static const struct bin_attribute bin_attr_##thingy = { \
 	.attr = { .name = #thingy, .mode = 0660 }, \
 	.size = KONEPLUS_SIZE_ ## THINGY, \
-	.read = koneplus_sysfs_read_ ## thingy, \
-	.write = koneplus_sysfs_write_ ## thingy \
+	.read_new = koneplus_sysfs_read_ ## thingy, \
+	.write_new = koneplus_sysfs_write_ ## thingy \
 }
 
 #define KONEPLUS_BIN_ATTRIBUTE_R(thingy, THINGY) \
 KONEPLUS_SYSFS_R(thingy, THINGY); \
-static struct bin_attribute bin_attr_##thingy = { \
+static const struct bin_attribute bin_attr_##thingy = { \
 	.attr = { .name = #thingy, .mode = 0440 }, \
 	.size = KONEPLUS_SIZE_ ## THINGY, \
-	.read = koneplus_sysfs_read_ ## thingy, \
+	.read_new = koneplus_sysfs_read_ ## thingy, \
 }
 
 #define KONEPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \
 KONEPLUS_SYSFS_W(thingy, THINGY); \
-static struct bin_attribute bin_attr_##thingy = { \
+static const struct bin_attribute bin_attr_##thingy = { \
 	.attr = { .name = #thingy, .mode = 0220 }, \
 	.size = KONEPLUS_SIZE_ ## THINGY, \
-	.write = koneplus_sysfs_write_ ## thingy \
+	.write_new = koneplus_sysfs_write_ ## thingy \
 }
 KONEPLUS_BIN_ATTRIBUTE_W(control, CONTROL);
 KONEPLUS_BIN_ATTRIBUTE_W(talk, TALK);
@@ -183,8 +183,8 @@ KONEPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS);
 KONEPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS);
 
 static ssize_t koneplus_sysfs_read_profilex_settings(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
+		struct kobject *kobj, const struct bin_attribute *attr,
+		char *buf, loff_t off, size_t count)
 {
 	struct device *dev = kobj_to_dev(kobj)->parent->parent;
 	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
@@ -201,8 +201,8 @@ static ssize_t koneplus_sysfs_read_profilex_settings(struct file *fp,
 }
 
 static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
+		struct kobject *kobj, const struct bin_attribute *attr,
+		char *buf, loff_t off, size_t count)
 {
 	struct device *dev = kobj_to_dev(kobj)->parent->parent;
 	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
@@ -219,16 +219,16 @@ static ssize_t koneplus_sysfs_read_profilex_buttons(struct file *fp,
 }
 
 #define PROFILE_ATTR(number)						\
-static struct bin_attribute bin_attr_profile##number##_settings = {	\
+static const struct bin_attribute bin_attr_profile##number##_settings = {	\
 	.attr = { .name = "profile" #number "_settings", .mode = 0440 },	\
 	.size = KONEPLUS_SIZE_PROFILE_SETTINGS,				\
-	.read = koneplus_sysfs_read_profilex_settings,			\
+	.read_new = koneplus_sysfs_read_profilex_settings,		\
 	.private = &profile_numbers[number-1],				\
 };									\
-static struct bin_attribute bin_attr_profile##number##_buttons = {	\
+static const struct bin_attribute bin_attr_profile##number##_buttons = {	\
 	.attr = { .name = "profile" #number "_buttons", .mode = 0440 },	\
 	.size = KONEPLUS_SIZE_PROFILE_BUTTONS,				\
-	.read = koneplus_sysfs_read_profilex_buttons,			\
+	.read_new = koneplus_sysfs_read_profilex_buttons,		\
 	.private = &profile_numbers[number-1],				\
 };
 PROFILE_ATTR(1);
@@ -321,7 +321,7 @@ static struct attribute *koneplus_attrs[] = {
 	NULL,
 };
 
-static struct bin_attribute *koneplus_bin_attributes[] = {
+static const struct bin_attribute *const koneplus_bin_attributes[] = {
 	&bin_attr_control,
 	&bin_attr_talk,
 	&bin_attr_macro,
@@ -346,7 +346,7 @@ static struct bin_attribute *koneplus_bin_attributes[] = {
 
 static const struct attribute_group koneplus_group = {
 	.attrs = koneplus_attrs,
-	.bin_attrs = koneplus_bin_attributes,
+	.bin_attrs_new = koneplus_bin_attributes,
 };
 
 static const struct attribute_group *koneplus_groups[] = {
diff --git a/drivers/hid/hid-roccat-konepure.c b/drivers/hid/hid-roccat-konepure.c
index beca8aef8bbb..7fb705789d4e 100644
--- a/drivers/hid/hid-roccat-konepure.c
+++ b/drivers/hid/hid-roccat-konepure.c
@@ -47,7 +47,7 @@ ROCCAT_COMMON2_BIN_ATTRIBUTE_R(tcu_image, 0x0c, 0x0404);
 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(sensor, 0x0f, 0x06);
 ROCCAT_COMMON2_BIN_ATTRIBUTE_W(talk, 0x10, 0x10);
 
-static struct bin_attribute *konepure_bin_attrs[] = {
+static const struct bin_attribute *const konepure_bin_attrs[] = {
 	&bin_attr_actual_profile,
 	&bin_attr_control,
 	&bin_attr_info,
@@ -62,7 +62,7 @@ static struct bin_attribute *konepure_bin_attrs[] = {
 };
 
 static const struct attribute_group konepure_group = {
-	.bin_attrs = konepure_bin_attrs,
+	.bin_attrs_new = konepure_bin_attrs,
 };
 
 static const struct attribute_group *konepure_groups[] = {
diff --git a/drivers/hid/hid-roccat-kovaplus.c b/drivers/hid/hid-roccat-kovaplus.c
index 748d4d7cb2fc..e31e4a2e62d5 100644
--- a/drivers/hid/hid-roccat-kovaplus.c
+++ b/drivers/hid/hid-roccat-kovaplus.c
@@ -171,8 +171,8 @@ static ssize_t kovaplus_sysfs_write(struct file *fp, struct kobject *kobj,
 
 #define KOVAPLUS_SYSFS_W(thingy, THINGY) \
 static ssize_t kovaplus_sysfs_write_ ## thingy(struct file *fp, \
-		struct kobject *kobj, struct bin_attribute *attr, char *buf, \
-		loff_t off, size_t count) \
+		struct kobject *kobj, const struct bin_attribute *attr, \
+		char *buf, loff_t off, size_t count) \
 { \
 	return kovaplus_sysfs_write(fp, kobj, buf, off, count, \
 			KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \
@@ -180,8 +180,8 @@ static ssize_t kovaplus_sysfs_write_ ## thingy(struct file *fp, \
 
 #define KOVAPLUS_SYSFS_R(thingy, THINGY) \
 static ssize_t kovaplus_sysfs_read_ ## thingy(struct file *fp, \
-		struct kobject *kobj, struct bin_attribute *attr, char *buf, \
-		loff_t off, size_t count) \
+		struct kobject *kobj, const struct bin_attribute *attr, \
+		char *buf, loff_t off, size_t count) \
 { \
 	return kovaplus_sysfs_read(fp, kobj, buf, off, count, \
 			KOVAPLUS_SIZE_ ## THINGY, KOVAPLUS_COMMAND_ ## THINGY); \
@@ -193,19 +193,19 @@ KOVAPLUS_SYSFS_R(thingy, THINGY)
 
 #define KOVAPLUS_BIN_ATTRIBUTE_RW(thingy, THINGY) \
 KOVAPLUS_SYSFS_RW(thingy, THINGY); \
-static struct bin_attribute bin_attr_##thingy = { \
+static const struct bin_attribute bin_attr_##thingy = { \
 	.attr = { .name = #thingy, .mode = 0660 }, \
 	.size = KOVAPLUS_SIZE_ ## THINGY, \
-	.read = kovaplus_sysfs_read_ ## thingy, \
-	.write = kovaplus_sysfs_write_ ## thingy \
+	.read_new = kovaplus_sysfs_read_ ## thingy, \
+	.write_new = kovaplus_sysfs_write_ ## thingy \
 }
 
 #define KOVAPLUS_BIN_ATTRIBUTE_W(thingy, THINGY) \
 KOVAPLUS_SYSFS_W(thingy, THINGY); \
-static struct bin_attribute bin_attr_##thingy = { \
+static const struct bin_attribute bin_attr_##thingy = { \
 	.attr = { .name = #thingy, .mode = 0220 }, \
 	.size = KOVAPLUS_SIZE_ ## THINGY, \
-	.write = kovaplus_sysfs_write_ ## thingy \
+	.write_new = kovaplus_sysfs_write_ ## thingy \
 }
 KOVAPLUS_BIN_ATTRIBUTE_W(control, CONTROL);
 KOVAPLUS_BIN_ATTRIBUTE_RW(info, INFO);
@@ -213,8 +213,8 @@ KOVAPLUS_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS);
 KOVAPLUS_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS);
 
 static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
+		struct kobject *kobj, const struct bin_attribute *attr,
+		char *buf, loff_t off, size_t count)
 {
 	struct device *dev = kobj_to_dev(kobj)->parent->parent;
 	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
@@ -231,8 +231,8 @@ static ssize_t kovaplus_sysfs_read_profilex_settings(struct file *fp,
 }
 
 static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
+		struct kobject *kobj, const struct bin_attribute *attr,
+		char *buf, loff_t off, size_t count)
 {
 	struct device *dev = kobj_to_dev(kobj)->parent->parent;
 	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
@@ -249,16 +249,16 @@ static ssize_t kovaplus_sysfs_read_profilex_buttons(struct file *fp,
 }
 
 #define PROFILE_ATTR(number)						\
-static struct bin_attribute bin_attr_profile##number##_settings = {	\
+static const struct bin_attribute bin_attr_profile##number##_settings = {	\
 	.attr = { .name = "profile" #number "_settings", .mode = 0440 },	\
 	.size = KOVAPLUS_SIZE_PROFILE_SETTINGS,				\
-	.read = kovaplus_sysfs_read_profilex_settings,			\
+	.read_new = kovaplus_sysfs_read_profilex_settings,			\
 	.private = &profile_numbers[number-1],				\
 };									\
-static struct bin_attribute bin_attr_profile##number##_buttons = {	\
+static const struct bin_attribute bin_attr_profile##number##_buttons = {	\
 	.attr = { .name = "profile" #number "_buttons", .mode = 0440 },	\
 	.size = KOVAPLUS_SIZE_PROFILE_BUTTONS,				\
-	.read = kovaplus_sysfs_read_profilex_buttons,			\
+	.read_new = kovaplus_sysfs_read_profilex_buttons,			\
 	.private = &profile_numbers[number-1],				\
 };
 PROFILE_ATTR(1);
@@ -379,7 +379,7 @@ static struct attribute *kovaplus_attrs[] = {
 	NULL,
 };
 
-static struct bin_attribute *kovaplus_bin_attributes[] = {
+static const struct bin_attribute *const kovaplus_bin_attributes[] = {
 	&bin_attr_control,
 	&bin_attr_info,
 	&bin_attr_profile_settings,
@@ -399,7 +399,7 @@ static struct bin_attribute *kovaplus_bin_attributes[] = {
 
 static const struct attribute_group kovaplus_group = {
 	.attrs = kovaplus_attrs,
-	.bin_attrs = kovaplus_bin_attributes,
+	.bin_attrs_new = kovaplus_bin_attributes,
 };
 
 static const struct attribute_group *kovaplus_groups[] = {
diff --git a/drivers/hid/hid-roccat-lua.c b/drivers/hid/hid-roccat-lua.c
index d5ddf0d68346..023ec64b4b0e 100644
--- a/drivers/hid/hid-roccat-lua.c
+++ b/drivers/hid/hid-roccat-lua.c
@@ -66,7 +66,7 @@ static ssize_t lua_sysfs_write(struct file *fp, struct kobject *kobj,
 
 #define LUA_SYSFS_W(thingy, THINGY) \
 static ssize_t lua_sysfs_write_ ## thingy(struct file *fp, \
-		struct kobject *kobj, struct bin_attribute *attr, \
+		struct kobject *kobj, const struct bin_attribute *attr, \
 		char *buf, loff_t off, size_t count) \
 { \
 	return lua_sysfs_write(fp, kobj, buf, off, count, \
@@ -75,7 +75,7 @@ static ssize_t lua_sysfs_write_ ## thingy(struct file *fp, \
 
 #define LUA_SYSFS_R(thingy, THINGY) \
 static ssize_t lua_sysfs_read_ ## thingy(struct file *fp, \
-		struct kobject *kobj, struct bin_attribute *attr, \
+		struct kobject *kobj, const struct bin_attribute *attr, \
 		char *buf, loff_t off, size_t count) \
 { \
 	return lua_sysfs_read(fp, kobj, buf, off, count, \
@@ -85,11 +85,11 @@ static ssize_t lua_sysfs_read_ ## thingy(struct file *fp, \
 #define LUA_BIN_ATTRIBUTE_RW(thingy, THINGY) \
 LUA_SYSFS_W(thingy, THINGY) \
 LUA_SYSFS_R(thingy, THINGY) \
-static struct bin_attribute lua_ ## thingy ## _attr = { \
+static const struct bin_attribute lua_ ## thingy ## _attr = { \
 	.attr = { .name = #thingy, .mode = 0660 }, \
 	.size = LUA_SIZE_ ## THINGY, \
-	.read = lua_sysfs_read_ ## thingy, \
-	.write = lua_sysfs_write_ ## thingy \
+	.read_new = lua_sysfs_read_ ## thingy, \
+	.write_new = lua_sysfs_write_ ## thingy \
 };
 
 LUA_BIN_ATTRIBUTE_RW(control, CONTROL)
diff --git a/drivers/hid/hid-roccat-pyra.c b/drivers/hid/hid-roccat-pyra.c
index eeb3d38cd805..2b53fbfbb897 100644
--- a/drivers/hid/hid-roccat-pyra.c
+++ b/drivers/hid/hid-roccat-pyra.c
@@ -129,8 +129,8 @@ static ssize_t pyra_sysfs_write(struct file *fp, struct kobject *kobj,
 
 #define PYRA_SYSFS_W(thingy, THINGY) \
 static ssize_t pyra_sysfs_write_ ## thingy(struct file *fp, \
-		struct kobject *kobj, struct bin_attribute *attr, char *buf, \
-		loff_t off, size_t count) \
+		struct kobject *kobj, const struct bin_attribute *attr, \
+		char *buf, loff_t off, size_t count) \
 { \
 	return pyra_sysfs_write(fp, kobj, buf, off, count, \
 			PYRA_SIZE_ ## THINGY, PYRA_COMMAND_ ## THINGY); \
@@ -138,8 +138,8 @@ static ssize_t pyra_sysfs_write_ ## thingy(struct file *fp, \
 
 #define PYRA_SYSFS_R(thingy, THINGY) \
 static ssize_t pyra_sysfs_read_ ## thingy(struct file *fp, \
-		struct kobject *kobj, struct bin_attribute *attr, char *buf, \
-		loff_t off, size_t count) \
+		struct kobject *kobj, const struct bin_attribute *attr, \
+		char *buf, loff_t off, size_t count) \
 { \
 	return pyra_sysfs_read(fp, kobj, buf, off, count, \
 			PYRA_SIZE_ ## THINGY, PYRA_COMMAND_ ## THINGY); \
@@ -151,27 +151,27 @@ PYRA_SYSFS_R(thingy, THINGY)
 
 #define PYRA_BIN_ATTRIBUTE_RW(thingy, THINGY) \
 PYRA_SYSFS_RW(thingy, THINGY); \
-static struct bin_attribute bin_attr_##thingy = { \
+static const struct bin_attribute bin_attr_##thingy = { \
 	.attr = { .name = #thingy, .mode = 0660 }, \
 	.size = PYRA_SIZE_ ## THINGY, \
-	.read = pyra_sysfs_read_ ## thingy, \
-	.write = pyra_sysfs_write_ ## thingy \
+	.read_new = pyra_sysfs_read_ ## thingy, \
+	.write_new = pyra_sysfs_write_ ## thingy \
 }
 
 #define PYRA_BIN_ATTRIBUTE_R(thingy, THINGY) \
 PYRA_SYSFS_R(thingy, THINGY); \
-static struct bin_attribute bin_attr_##thingy = { \
+static const struct bin_attribute bin_attr_##thingy = { \
 	.attr = { .name = #thingy, .mode = 0440 }, \
-	.size = PYRA_SIZE_ ## THINGY, \
-	.read = pyra_sysfs_read_ ## thingy, \
+	.size_new = PYRA_SIZE_ ## THINGY, \
+	.read_new = pyra_sysfs_read_ ## thingy, \
 }
 
 #define PYRA_BIN_ATTRIBUTE_W(thingy, THINGY) \
 PYRA_SYSFS_W(thingy, THINGY); \
-static struct bin_attribute bin_attr_##thingy = { \
+static const struct bin_attribute bin_attr_##thingy = { \
 	.attr = { .name = #thingy, .mode = 0220 }, \
 	.size = PYRA_SIZE_ ## THINGY, \
-	.write = pyra_sysfs_write_ ## thingy \
+	.write_new = pyra_sysfs_write_ ## thingy \
 }
 
 PYRA_BIN_ATTRIBUTE_W(control, CONTROL);
@@ -180,8 +180,8 @@ PYRA_BIN_ATTRIBUTE_RW(profile_settings, PROFILE_SETTINGS);
 PYRA_BIN_ATTRIBUTE_RW(profile_buttons, PROFILE_BUTTONS);
 
 static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
+		struct kobject *kobj, const struct bin_attribute *attr,
+		char *buf, loff_t off, size_t count)
 {
 	struct device *dev = kobj_to_dev(kobj)->parent->parent;
 	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
@@ -198,8 +198,8 @@ static ssize_t pyra_sysfs_read_profilex_settings(struct file *fp,
 }
 
 static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
+		struct kobject *kobj, const struct bin_attribute *attr,
+		char *buf, loff_t off, size_t count)
 {
 	struct device *dev = kobj_to_dev(kobj)->parent->parent;
 	struct usb_device *usb_dev = interface_to_usbdev(to_usb_interface(dev));
@@ -216,16 +216,16 @@ static ssize_t pyra_sysfs_read_profilex_buttons(struct file *fp,
 }
 
 #define PROFILE_ATTR(number)						\
-static struct bin_attribute bin_attr_profile##number##_settings = {	\
+static const struct bin_attribute bin_attr_profile##number##_settings = {	\
 	.attr = { .name = "profile" #number "_settings", .mode = 0440 },	\
 	.size = PYRA_SIZE_PROFILE_SETTINGS,				\
-	.read = pyra_sysfs_read_profilex_settings,			\
+	.read_new = pyra_sysfs_read_profilex_settings,			\
 	.private = &profile_numbers[number-1],				\
 };									\
-static struct bin_attribute bin_attr_profile##number##_buttons = {	\
+static const struct bin_attribute bin_attr_profile##number##_buttons = {	\
 	.attr = { .name = "profile" #number "_buttons", .mode = 0440 },	\
 	.size = PYRA_SIZE_PROFILE_BUTTONS,				\
-	.read = pyra_sysfs_read_profilex_buttons,			\
+	.read_new = pyra_sysfs_read_profilex_buttons,			\
 	.private = &profile_numbers[number-1],				\
 };
 PROFILE_ATTR(1);
@@ -235,8 +235,8 @@ PROFILE_ATTR(4);
 PROFILE_ATTR(5);
 
 static ssize_t pyra_sysfs_write_settings(struct file *fp,
-		struct kobject *kobj, struct bin_attribute *attr, char *buf,
-		loff_t off, size_t count)
+		struct kobject *kobj, const struct bin_attribute *attr,
+		char *buf, loff_t off, size_t count)
 {
 	struct device *dev = kobj_to_dev(kobj)->parent->parent;
 	struct pyra_device *pyra = hid_get_drvdata(dev_get_drvdata(dev));
@@ -273,7 +273,7 @@ static ssize_t pyra_sysfs_write_settings(struct file *fp,
 }
 
 PYRA_SYSFS_R(settings, SETTINGS);
-static struct bin_attribute bin_attr_settings =
+static const struct bin_attribute bin_attr_settings =
 	__BIN_ATTR(settings, (S_IWUSR | S_IRUGO),
 		   pyra_sysfs_read_settings, pyra_sysfs_write_settings,
 		   PYRA_SIZE_SETTINGS);
@@ -334,7 +334,7 @@ static struct attribute *pyra_attrs[] = {
 	NULL,
 };
 
-static struct bin_attribute *pyra_bin_attributes[] = {
+static const struct bin_attribute *const pyra_bin_attributes[] = {
 	&bin_attr_control,
 	&bin_attr_info,
 	&bin_attr_profile_settings,
@@ -355,7 +355,7 @@ static struct bin_attribute *pyra_bin_attributes[] = {
 
 static const struct attribute_group pyra_group = {
 	.attrs = pyra_attrs,
-	.bin_attrs = pyra_bin_attributes,
+	.bin_attrs_new = pyra_bin_attributes,
 };
 
 static const struct attribute_group *pyra_groups[] = {
diff --git a/drivers/hid/hid-roccat-ryos.c b/drivers/hid/hid-roccat-ryos.c
index 57714a4525e2..902dac1e714e 100644
--- a/drivers/hid/hid-roccat-ryos.c
+++ b/drivers/hid/hid-roccat-ryos.c
@@ -47,7 +47,7 @@ ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(stored_lights, 0x17, 0x0566);
 ROCCAT_COMMON2_BIN_ATTRIBUTE_W(custom_lights, 0x18, 0x14);
 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(light_macro, 0x19, 0x07d2);
 
-static struct bin_attribute *ryos_bin_attrs[] = {
+static const struct bin_attribute *const ryos_bin_attrs[] = {
 	&bin_attr_control,
 	&bin_attr_profile,
 	&bin_attr_keys_primary,
@@ -70,7 +70,7 @@ static struct bin_attribute *ryos_bin_attrs[] = {
 };
 
 static const struct attribute_group ryos_group = {
-	.bin_attrs = ryos_bin_attrs,
+	.bin_attrs_new = ryos_bin_attrs,
 };
 
 static const struct attribute_group *ryos_groups[] = {
diff --git a/drivers/hid/hid-roccat-savu.c b/drivers/hid/hid-roccat-savu.c
index 2baa47a0efc5..7399b8ffb5c7 100644
--- a/drivers/hid/hid-roccat-savu.c
+++ b/drivers/hid/hid-roccat-savu.c
@@ -30,7 +30,7 @@ ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(macro, 0x8, 0x0823);
 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(info, 0x9, 0x08);
 ROCCAT_COMMON2_BIN_ATTRIBUTE_RW(sensor, 0xc, 0x04);
 
-static struct bin_attribute *savu_bin_attrs[] = {
+static const struct bin_attribute *const savu_bin_attrs[] = {
 	&bin_attr_control,
 	&bin_attr_profile,
 	&bin_attr_general,
@@ -42,7 +42,7 @@ static struct bin_attribute *savu_bin_attrs[] = {
 };
 
 static const struct attribute_group savu_group = {
-	.bin_attrs = savu_bin_attrs,
+	.bin_attrs_new = savu_bin_attrs,
 };
 
 static const struct attribute_group *savu_groups[] = {
diff --git a/drivers/hid/hid-sensor-hub.c b/drivers/hid/hid-sensor-hub.c
index 7bd86eef6ec7..4c94c03cb573 100644
--- a/drivers/hid/hid-sensor-hub.c
+++ b/drivers/hid/hid-sensor-hub.c
@@ -730,23 +730,30 @@ err_stop_hw:
 	return ret;
 }
 
+static int sensor_hub_finalize_pending_fn(struct device *dev, void *data)
+{
+	struct hid_sensor_hub_device *hsdev = dev->platform_data;
+
+	if (hsdev->pending.status)
+		complete(&hsdev->pending.ready);
+
+	return 0;
+}
+
 static void sensor_hub_remove(struct hid_device *hdev)
 {
 	struct sensor_hub_data *data = hid_get_drvdata(hdev);
 	unsigned long flags;
-	int i;
 
 	hid_dbg(hdev, " hardware removed\n");
 	hid_hw_close(hdev);
 	hid_hw_stop(hdev);
+
 	spin_lock_irqsave(&data->lock, flags);
-	for (i = 0; i < data->hid_sensor_client_cnt; ++i) {
-		struct hid_sensor_hub_device *hsdev =
-			data->hid_sensor_hub_client_devs[i].platform_data;
-		if (hsdev->pending.status)
-			complete(&hsdev->pending.ready);
-	}
+	device_for_each_child(&hdev->dev, NULL,
+			      sensor_hub_finalize_pending_fn);
 	spin_unlock_irqrestore(&data->lock, flags);
+
 	mfd_remove_devices(&hdev->dev);
 	mutex_destroy(&data->mutex);
 }
diff --git a/drivers/hid/hid-steam.c b/drivers/hid/hid-steam.c
index 6439913372a8..c9e65e9088b3 100644
--- a/drivers/hid/hid-steam.c
+++ b/drivers/hid/hid-steam.c
@@ -313,6 +313,7 @@ struct steam_device {
 	u16 rumble_left;
 	u16 rumble_right;
 	unsigned int sensor_timestamp_us;
+	struct work_struct unregister_work;
 };
 
 static int steam_recv_report(struct steam_device *steam,
@@ -1050,10 +1051,10 @@ static void steam_mode_switch_cb(struct work_struct *work)
 							struct steam_device, mode_switch);
 	unsigned long flags;
 	bool client_opened;
-	steam->gamepad_mode = !steam->gamepad_mode;
 	if (!lizard_mode)
 		return;
 
+	steam->gamepad_mode = !steam->gamepad_mode;
 	if (steam->gamepad_mode)
 		steam_set_lizard_mode(steam, false);
 	else {
@@ -1072,6 +1073,31 @@ static void steam_mode_switch_cb(struct work_struct *work)
 	}
 }
 
+static void steam_work_unregister_cb(struct work_struct *work)
+{
+	struct steam_device *steam = container_of(work, struct steam_device,
+							unregister_work);
+	unsigned long flags;
+	bool connected;
+	bool opened;
+
+	spin_lock_irqsave(&steam->lock, flags);
+	opened = steam->client_opened;
+	connected = steam->connected;
+	spin_unlock_irqrestore(&steam->lock, flags);
+
+	if (connected) {
+		if (opened) {
+			steam_sensors_unregister(steam);
+			steam_input_unregister(steam);
+		} else {
+			steam_set_lizard_mode(steam, lizard_mode);
+			steam_input_register(steam);
+			steam_sensors_register(steam);
+		}
+	}
+}
+
 static bool steam_is_valve_interface(struct hid_device *hdev)
 {
 	struct hid_report_enum *rep_enum;
@@ -1117,8 +1143,7 @@ static int steam_client_ll_open(struct hid_device *hdev)
 	steam->client_opened++;
 	spin_unlock_irqrestore(&steam->lock, flags);
 
-	steam_sensors_unregister(steam);
-	steam_input_unregister(steam);
+	schedule_work(&steam->unregister_work);
 
 	return 0;
 }
@@ -1135,11 +1160,7 @@ static void steam_client_ll_close(struct hid_device *hdev)
 	connected = steam->connected && !steam->client_opened;
 	spin_unlock_irqrestore(&steam->lock, flags);
 
-	if (connected) {
-		steam_set_lizard_mode(steam, lizard_mode);
-		steam_input_register(steam);
-		steam_sensors_register(steam);
-	}
+	schedule_work(&steam->unregister_work);
 }
 
 static int steam_client_ll_raw_request(struct hid_device *hdev,
@@ -1231,6 +1252,7 @@ static int steam_probe(struct hid_device *hdev,
 	INIT_LIST_HEAD(&steam->list);
 	INIT_WORK(&steam->rumble_work, steam_haptic_rumble_cb);
 	steam->sensor_timestamp_us = 0;
+	INIT_WORK(&steam->unregister_work, steam_work_unregister_cb);
 
 	/*
 	 * With the real steam controller interface, do not connect hidraw.
@@ -1291,6 +1313,7 @@ err_cancel_work:
 	cancel_work_sync(&steam->work_connect);
 	cancel_delayed_work_sync(&steam->mode_switch);
 	cancel_work_sync(&steam->rumble_work);
+	cancel_work_sync(&steam->unregister_work);
 
 	return ret;
 }
@@ -1306,6 +1329,8 @@ static void steam_remove(struct hid_device *hdev)
 
 	cancel_delayed_work_sync(&steam->mode_switch);
 	cancel_work_sync(&steam->work_connect);
+	cancel_work_sync(&steam->rumble_work);
+	cancel_work_sync(&steam->unregister_work);
 	hid_destroy_device(steam->client_hdev);
 	steam->client_hdev = NULL;
 	steam->client_opened = 0;
@@ -1592,13 +1617,13 @@ static void steam_do_deck_input_event(struct steam_device *steam,
 
 	if (!(b9 & BIT(6)) && steam->did_mode_switch) {
 		steam->did_mode_switch = false;
-		cancel_delayed_work_sync(&steam->mode_switch);
+		cancel_delayed_work(&steam->mode_switch);
 	} else if (!steam->client_opened && (b9 & BIT(6)) && !steam->did_mode_switch) {
 		steam->did_mode_switch = true;
 		schedule_delayed_work(&steam->mode_switch, 45 * HZ / 100);
 	}
 
-	if (!steam->gamepad_mode)
+	if (!steam->gamepad_mode && lizard_mode)
 		return;
 
 	lpad_touched = b10 & BIT(3);
@@ -1668,7 +1693,7 @@ static void steam_do_deck_sensors_event(struct steam_device *steam,
 	 */
 	steam->sensor_timestamp_us += 4000;
 
-	if (!steam->gamepad_mode)
+	if (!steam->gamepad_mode && lizard_mode)
 		return;
 
 	input_event(sensors, EV_MSC, MSC_TIMESTAMP, steam->sensor_timestamp_us);
diff --git a/drivers/hid/hid-steelseries.c b/drivers/hid/hid-steelseries.c
index f9ff5be94309..d4bd7848b8c6 100644
--- a/drivers/hid/hid-steelseries.c
+++ b/drivers/hid/hid-steelseries.c
@@ -19,6 +19,7 @@
 
 #define STEELSERIES_SRWS1		BIT(0)
 #define STEELSERIES_ARCTIS_1		BIT(1)
+#define STEELSERIES_ARCTIS_9		BIT(2)
 
 struct steelseries_device {
 	struct hid_device *hdev;
@@ -32,6 +33,7 @@ struct steelseries_device {
 	struct power_supply *battery;
 	uint8_t battery_capacity;
 	bool headset_connected;
+	bool battery_charging;
 };
 
 #if IS_BUILTIN(CONFIG_LEDS_CLASS) || \
@@ -368,32 +370,35 @@ static void steelseries_srws1_remove(struct hid_device *hdev)
 
 	hid_hw_stop(hdev);
 	kfree(drv_data);
-	return;
 }
 #endif
 
 #define STEELSERIES_HEADSET_BATTERY_TIMEOUT_MS	3000
 
 #define ARCTIS_1_BATTERY_RESPONSE_LEN		8
+#define ARCTIS_9_BATTERY_RESPONSE_LEN		64
 static const char arctis_1_battery_request[] = { 0x06, 0x12 };
+static const char arctis_9_battery_request[] = { 0x00, 0x20 };
 
-static int steelseries_headset_arctis_1_fetch_battery(struct hid_device *hdev)
+static int steelseries_headset_request_battery(struct hid_device *hdev,
+	const char *request, size_t len)
 {
 	u8 *write_buf;
 	int ret;
 
 	/* Request battery information */
-	write_buf = kmemdup(arctis_1_battery_request, sizeof(arctis_1_battery_request), GFP_KERNEL);
+	write_buf = kmemdup(request, len, GFP_KERNEL);
 	if (!write_buf)
 		return -ENOMEM;
 
-	ret = hid_hw_raw_request(hdev, arctis_1_battery_request[0],
-				 write_buf, sizeof(arctis_1_battery_request),
+	hid_dbg(hdev, "Sending battery request report");
+	ret = hid_hw_raw_request(hdev, request[0], write_buf, len,
 				 HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
-	if (ret < (int)sizeof(arctis_1_battery_request)) {
+	if (ret < (int)len) {
 		hid_err(hdev, "hid_hw_raw_request() failed with %d\n", ret);
 		ret = -ENODATA;
 	}
+
 	kfree(write_buf);
 	return ret;
 }
@@ -404,7 +409,11 @@ static void steelseries_headset_fetch_battery(struct hid_device *hdev)
 	int ret = 0;
 
 	if (sd->quirks & STEELSERIES_ARCTIS_1)
-		ret = steelseries_headset_arctis_1_fetch_battery(hdev);
+		ret = steelseries_headset_request_battery(hdev,
+			arctis_1_battery_request, sizeof(arctis_1_battery_request));
+	else if (sd->quirks & STEELSERIES_ARCTIS_9)
+		ret = steelseries_headset_request_battery(hdev,
+			arctis_9_battery_request, sizeof(arctis_9_battery_request));
 
 	if (ret < 0)
 		hid_dbg(hdev,
@@ -429,6 +438,9 @@ static void steelseries_headset_battery_timer_tick(struct work_struct *work)
 	steelseries_headset_fetch_battery(hdev);
 }
 
+#define STEELSERIES_PREFIX "SteelSeries "
+#define STEELSERIES_PREFIX_LEN strlen(STEELSERIES_PREFIX)
+
 static int steelseries_headset_battery_get_property(struct power_supply *psy,
 				enum power_supply_property psp,
 				union power_supply_propval *val)
@@ -437,13 +449,24 @@ static int steelseries_headset_battery_get_property(struct power_supply *psy,
 	int ret = 0;
 
 	switch (psp) {
+	case POWER_SUPPLY_PROP_MODEL_NAME:
+		val->strval = sd->hdev->name;
+		while (!strncmp(val->strval, STEELSERIES_PREFIX, STEELSERIES_PREFIX_LEN))
+			val->strval += STEELSERIES_PREFIX_LEN;
+		break;
+	case POWER_SUPPLY_PROP_MANUFACTURER:
+		val->strval = "SteelSeries";
+		break;
 	case POWER_SUPPLY_PROP_PRESENT:
 		val->intval = 1;
 		break;
 	case POWER_SUPPLY_PROP_STATUS:
-		val->intval = sd->headset_connected ?
-			POWER_SUPPLY_STATUS_DISCHARGING :
-			POWER_SUPPLY_STATUS_UNKNOWN;
+		if (sd->headset_connected) {
+			val->intval = sd->battery_charging ?
+				POWER_SUPPLY_STATUS_CHARGING :
+				POWER_SUPPLY_STATUS_DISCHARGING;
+		} else
+			val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
 		break;
 	case POWER_SUPPLY_PROP_SCOPE:
 		val->intval = POWER_SUPPLY_SCOPE_DEVICE;
@@ -477,6 +500,8 @@ steelseries_headset_set_wireless_status(struct hid_device *hdev,
 }
 
 static enum power_supply_property steelseries_headset_battery_props[] = {
+	POWER_SUPPLY_PROP_MODEL_NAME,
+	POWER_SUPPLY_PROP_MANUFACTURER,
 	POWER_SUPPLY_PROP_PRESENT,
 	POWER_SUPPLY_PROP_STATUS,
 	POWER_SUPPLY_PROP_SCOPE,
@@ -505,6 +530,7 @@ static int steelseries_headset_battery_register(struct steelseries_device *sd)
 	/* avoid the warning of 0% battery while waiting for the first info */
 	steelseries_headset_set_wireless_status(sd->hdev, false);
 	sd->battery_capacity = 100;
+	sd->battery_charging = false;
 
 	sd->battery = devm_power_supply_register(&sd->hdev->dev,
 			&sd->battery_desc, &battery_cfg);
@@ -520,9 +546,22 @@ static int steelseries_headset_battery_register(struct steelseries_device *sd)
 	INIT_DELAYED_WORK(&sd->battery_work, steelseries_headset_battery_timer_tick);
 	steelseries_headset_fetch_battery(sd->hdev);
 
+	if (sd->quirks & STEELSERIES_ARCTIS_9) {
+		/* The first fetch_battery request can remain unanswered in some cases */
+		schedule_delayed_work(&sd->battery_work,
+				msecs_to_jiffies(STEELSERIES_HEADSET_BATTERY_TIMEOUT_MS));
+	}
+
 	return 0;
 }
 
+static bool steelseries_is_vendor_usage_page(struct hid_device *hdev, uint8_t usage_page)
+{
+	return hdev->rdesc[0] == 0x06 &&
+		hdev->rdesc[1] == usage_page &&
+		hdev->rdesc[2] == 0xff;
+}
+
 static int steelseries_probe(struct hid_device *hdev, const struct hid_device_id *id)
 {
 	struct steelseries_device *sd;
@@ -548,12 +587,20 @@ static int steelseries_probe(struct hid_device *hdev, const struct hid_device_id
 	if (ret)
 		return ret;
 
+	if (sd->quirks & STEELSERIES_ARCTIS_9 &&
+			!steelseries_is_vendor_usage_page(hdev, 0xc0))
+		return -ENODEV;
+
 	spin_lock_init(&sd->lock);
 
 	ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
 	if (ret)
 		return ret;
 
+	ret = hid_hw_open(hdev);
+	if (ret)
+		return ret;
+
 	if (steelseries_headset_battery_register(sd) < 0)
 		hid_err(sd->hdev,
 			"Failed to register battery for headset\n");
@@ -580,6 +627,7 @@ static void steelseries_remove(struct hid_device *hdev)
 
 	cancel_delayed_work_sync(&sd->battery_work);
 
+	hid_hw_close(hdev);
 	hid_hw_stop(hdev);
 }
 
@@ -599,6 +647,15 @@ static const __u8 *steelseries_srws1_report_fixup(struct hid_device *hdev,
 	return rdesc;
 }
 
+static uint8_t steelseries_headset_map_capacity(uint8_t capacity, uint8_t min_in, uint8_t max_in)
+{
+	if (capacity >= max_in)
+		return 100;
+	if (capacity <= min_in)
+		return 0;
+	return (capacity - min_in) * 100 / (max_in - min_in);
+}
+
 static int steelseries_headset_raw_event(struct hid_device *hdev,
 					struct hid_report *report, u8 *read_buf,
 					int size)
@@ -606,6 +663,7 @@ static int steelseries_headset_raw_event(struct hid_device *hdev,
 	struct steelseries_device *sd = hid_get_drvdata(hdev);
 	int capacity = sd->battery_capacity;
 	bool connected = sd->headset_connected;
+	bool charging = sd->battery_charging;
 	unsigned long flags;
 
 	/* Not a headset */
@@ -630,6 +688,34 @@ static int steelseries_headset_raw_event(struct hid_device *hdev,
 		}
 	}
 
+	if (sd->quirks & STEELSERIES_ARCTIS_9) {
+		hid_dbg(sd->hdev,
+			"Parsing raw event for Arctis 9 headset (%*ph)\n", size, read_buf);
+		if (size < ARCTIS_9_BATTERY_RESPONSE_LEN) {
+			if (!delayed_work_pending(&sd->battery_work))
+				goto request_battery;
+			return 0;
+		}
+
+		if (read_buf[0] == 0xaa && read_buf[1] == 0x01) {
+			connected = true;
+			charging = read_buf[4] == 0x01;
+
+			/*
+			 * Found no official documentation about min and max.
+			 * Values defined by testing.
+			 */
+			capacity = steelseries_headset_map_capacity(read_buf[3], 0x68, 0x9d);
+		} else {
+			/*
+			 * Device is off and sends the last known status read_buf[1] == 0x03 or
+			 * there is no known status of the device read_buf[0] == 0x55
+			 */
+			connected = false;
+			charging = false;
+		}
+	}
+
 	if (connected != sd->headset_connected) {
 		hid_dbg(sd->hdev,
 			"Connected status changed from %sconnected to %sconnected\n",
@@ -647,6 +733,15 @@ static int steelseries_headset_raw_event(struct hid_device *hdev,
 		power_supply_changed(sd->battery);
 	}
 
+	if (charging != sd->battery_charging) {
+		hid_dbg(sd->hdev,
+			"Battery charging status changed from %scharging to %scharging\n",
+			sd->battery_charging ? "" : "not ",
+			charging ? "" : "not ");
+		sd->battery_charging = charging;
+		power_supply_changed(sd->battery);
+	}
+
 request_battery:
 	spin_lock_irqsave(&sd->lock, flags);
 	if (!sd->removed)
@@ -665,6 +760,10 @@ static const struct hid_device_id steelseries_devices[] = {
 	  HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, 0x12b6),
 	.driver_data = STEELSERIES_ARCTIS_1 },
 
+	{ /* SteelSeries Arctis 9 Wireless for XBox */
+	  HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, 0x12c2),
+	  .driver_data = STEELSERIES_ARCTIS_9 },
+
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, steelseries_devices);
@@ -683,3 +782,4 @@ MODULE_DESCRIPTION("HID driver for Steelseries devices");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Bastien Nocera <hadess@hadess.net>");
 MODULE_AUTHOR("Simon Wood <simon@mungewell.org>");
+MODULE_AUTHOR("Christian Mayer <git@mayer-bgk.de>");
diff --git a/drivers/hid/hid-thrustmaster.c b/drivers/hid/hid-thrustmaster.c
index cf1679b0d4fb..3b81468a1df2 100644
--- a/drivers/hid/hid-thrustmaster.c
+++ b/drivers/hid/hid-thrustmaster.c
@@ -170,6 +170,14 @@ static void thrustmaster_interrupts(struct hid_device *hdev)
 	ep = &usbif->cur_altsetting->endpoint[1];
 	b_ep = ep->desc.bEndpointAddress;
 
+	/* Are the expected endpoints present? */
+	u8 ep_addr[2] = {b_ep, 0};
+
+	if (!usb_check_int_endpoints(usbif, ep_addr)) {
+		hid_err(hdev, "Unexpected non-int endpoint\n");
+		return;
+	}
+
 	for (i = 0; i < ARRAY_SIZE(setup_arr); ++i) {
 		memcpy(send_buf, setup_arr[i], setup_arr_sizes[i]);
 
diff --git a/drivers/hid/hid-topre.c b/drivers/hid/hid-topre.c
index 848361f6225d..ccedf8721722 100644
--- a/drivers/hid/hid-topre.c
+++ b/drivers/hid/hid-topre.c
@@ -29,6 +29,11 @@ static const __u8 *topre_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 		hid_info(hdev,
 			"fixing up Topre REALFORCE keyboard report descriptor\n");
 		rdesc[72] = 0x02;
+	} else if (*rsize >= 106 && rdesc[28] == 0x29 && rdesc[29] == 0xe7 &&
+				    rdesc[30] == 0x81 && rdesc[31] == 0x00) {
+		hid_info(hdev,
+			"fixing up Topre REALFORCE keyboard report descriptor\n");
+		rdesc[31] = 0x02;
 	}
 	return rdesc;
 }
@@ -38,6 +43,8 @@ static const struct hid_device_id topre_id_table[] = {
 			 USB_DEVICE_ID_TOPRE_REALFORCE_R2_108) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPRE,
 			 USB_DEVICE_ID_TOPRE_REALFORCE_R2_87) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPRE,
+			 USB_DEVICE_ID_TOPRE_REALFORCE_R3S_87) },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, topre_id_table);
diff --git a/drivers/hid/hid-uclogic-params.c b/drivers/hid/hid-uclogic-params.c
index ef26c7defcf6..a6044996abf2 100644
--- a/drivers/hid/hid-uclogic-params.c
+++ b/drivers/hid/hid-uclogic-params.c
@@ -842,7 +842,7 @@ static int uclogic_params_huion_init(struct uclogic_params *params,
 	__u8 *params_ptr = NULL;
 	size_t params_len = 0;
 	/* Parameters string descriptor of a model with touch ring (HS610) */
-	const __u8 touch_ring_model_params_buf[] = {
+	static const __u8 touch_ring_model_params_buf[] = {
 		0x13, 0x03, 0x70, 0xC6, 0x00, 0x06, 0x7C, 0x00,
 		0xFF, 0x1F, 0xD8, 0x13, 0x03, 0x0D, 0x10, 0x01,
 		0x04, 0x3C, 0x3E
diff --git a/drivers/hid/hid-winwing.c b/drivers/hid/hid-winwing.c
index 831b760c66ea..d4afbbd27807 100644
--- a/drivers/hid/hid-winwing.c
+++ b/drivers/hid/hid-winwing.c
@@ -106,6 +106,8 @@ static int winwing_init_led(struct hid_device *hdev,
 						"%s::%s",
 						dev_name(&input->dev),
 						info->led_name);
+		if (!led->cdev.name)
+			return -ENOMEM;
 
 		ret = devm_led_classdev_register(&hdev->dev, &led->cdev);
 		if (ret)
diff --git a/drivers/hid/i2c-hid/Kconfig b/drivers/hid/i2c-hid/Kconfig
index ef7c595c9403..e8d51f410cc1 100644
--- a/drivers/hid/i2c-hid/Kconfig
+++ b/drivers/hid/i2c-hid/Kconfig
@@ -2,7 +2,7 @@
 menuconfig I2C_HID
 	tristate "I2C HID support"
 	default y
-	depends on I2C && INPUT && HID
+	depends on I2C
 
 if I2C_HID
 
diff --git a/drivers/hid/i2c-hid/i2c-hid-core.c b/drivers/hid/i2c-hid/i2c-hid-core.c
index 4e87380d3edd..75544448c239 100644
--- a/drivers/hid/i2c-hid/i2c-hid-core.c
+++ b/drivers/hid/i2c-hid/i2c-hid-core.c
@@ -51,6 +51,7 @@
 #define I2C_HID_QUIRK_NO_WAKEUP_AFTER_RESET	BIT(4)
 #define I2C_HID_QUIRK_NO_SLEEP_ON_SUSPEND	BIT(5)
 #define I2C_HID_QUIRK_DELAY_WAKEUP_AFTER_RESUME BIT(6)
+#define I2C_HID_QUIRK_RE_POWER_ON		BIT(7)
 
 /* Command opcodes */
 #define I2C_HID_OPCODE_RESET			0x01
@@ -136,6 +137,11 @@ static const struct i2c_hid_quirks {
 	{ I2C_VENDOR_ID_CIRQUE, I2C_PRODUCT_ID_CIRQUE_1063,
 		I2C_HID_QUIRK_NO_SLEEP_ON_SUSPEND },
 	/*
+	 * Without additional power on command, at least some QTEC devices send garbage
+	 */
+	{ I2C_VENDOR_ID_QTEC, HID_ANY_ID,
+		I2C_HID_QUIRK_RE_POWER_ON },
+	/*
 	 * Sending the wakeup after reset actually break ELAN touchscreen controller
 	 */
 	{ USB_VENDOR_ID_ELAN, HID_ANY_ID,
@@ -1073,7 +1079,11 @@ static int i2c_hid_core_register_hid(struct i2c_hid *ihid)
 		return ret;
 	}
 
-	return 0;
+	/* At least some QTEC devices need this after initialization */
+	if (ihid->quirks & I2C_HID_QUIRK_RE_POWER_ON)
+		ret = i2c_hid_set_power(ihid, I2C_HID_PWR_ON);
+
+	return ret;
 }
 
 static int i2c_hid_core_probe_panel_follower(struct i2c_hid *ihid)
diff --git a/drivers/hid/intel-ish-hid/Kconfig b/drivers/hid/intel-ish-hid/Kconfig
index 253dc10d35ef..568c8688784e 100644
--- a/drivers/hid/intel-ish-hid/Kconfig
+++ b/drivers/hid/intel-ish-hid/Kconfig
@@ -6,7 +6,6 @@ config INTEL_ISH_HID
 	tristate "Intel Integrated Sensor Hub"
 	default n
 	depends on X86
-	depends on HID
 	help
 	  The Integrated Sensor Hub (ISH) enables the ability to offload
 	  sensor polling and algorithm processing to a dedicated low power
diff --git a/drivers/hid/intel-ish-hid/ipc/hw-ish.h b/drivers/hid/intel-ish-hid/ipc/hw-ish.h
index cdd80c653918..07e90d51f073 100644
--- a/drivers/hid/intel-ish-hid/ipc/hw-ish.h
+++ b/drivers/hid/intel-ish-hid/ipc/hw-ish.h
@@ -36,6 +36,8 @@
 #define PCI_DEVICE_ID_INTEL_ISH_ARL_H		0x7745
 #define PCI_DEVICE_ID_INTEL_ISH_ARL_S		0x7F78
 #define PCI_DEVICE_ID_INTEL_ISH_LNL_M		0xA845
+#define PCI_DEVICE_ID_INTEL_ISH_PTL_H		0xE345
+#define PCI_DEVICE_ID_INTEL_ISH_PTL_P		0xE445
 
 #define	REVISION_ID_CHT_A0	0x6
 #define	REVISION_ID_CHT_Ax_SI	0x0
diff --git a/drivers/hid/intel-ish-hid/ipc/ipc.c b/drivers/hid/intel-ish-hid/ipc/ipc.c
index 3cd53fc80634..4c861119e97a 100644
--- a/drivers/hid/intel-ish-hid/ipc/ipc.c
+++ b/drivers/hid/intel-ish-hid/ipc/ipc.c
@@ -517,6 +517,10 @@ static int ish_fw_reset_handler(struct ishtp_device *dev)
 	/* ISH FW is dead */
 	if (!ish_is_input_ready(dev))
 		return	-EPIPE;
+
+	/* Send clock sync at once after reset */
+	ishtp_dev->prev_sync = 0;
+
 	/*
 	 * Set HOST2ISH.ILUP. Apparently we need this BEFORE sending
 	 * RESET_NOTIFY_ACK - FW will be checking for it
@@ -577,15 +581,14 @@ static void fw_reset_work_fn(struct work_struct *work)
  */
 static void _ish_sync_fw_clock(struct ishtp_device *dev)
 {
-	static unsigned long	prev_sync;
-	uint64_t	usec;
+	struct ipc_time_update_msg time = {};
 
-	if (prev_sync && time_before(jiffies, prev_sync + 20 * HZ))
+	if (dev->prev_sync && time_before(jiffies, dev->prev_sync + 20 * HZ))
 		return;
 
-	prev_sync = jiffies;
-	usec = ktime_to_us(ktime_get_boottime());
-	ipc_send_mng_msg(dev, MNG_SYNC_FW_CLOCK, &usec, sizeof(uint64_t));
+	dev->prev_sync = jiffies;
+	/* The fields of time would be updated while sending message */
+	ipc_send_mng_msg(dev, MNG_SYNC_FW_CLOCK, &time, sizeof(time));
 }
 
 /**
diff --git a/drivers/hid/intel-ish-hid/ipc/pci-ish.c b/drivers/hid/intel-ish-hid/ipc/pci-ish.c
index 9e2401291a2f..ff0fc8010072 100644
--- a/drivers/hid/intel-ish-hid/ipc/pci-ish.c
+++ b/drivers/hid/intel-ish-hid/ipc/pci-ish.c
@@ -26,9 +26,11 @@
 enum ishtp_driver_data_index {
 	ISHTP_DRIVER_DATA_NONE,
 	ISHTP_DRIVER_DATA_LNL_M,
+	ISHTP_DRIVER_DATA_PTL,
 };
 
 #define ISH_FW_GEN_LNL_M "lnlm"
+#define ISH_FW_GEN_PTL "ptl"
 
 #define ISH_FIRMWARE_PATH(gen) "intel/ish/ish_" gen ".bin"
 #define ISH_FIRMWARE_PATH_ALL "intel/ish/ish_*.bin"
@@ -37,6 +39,9 @@ static struct ishtp_driver_data ishtp_driver_data[] = {
 	[ISHTP_DRIVER_DATA_LNL_M] = {
 		.fw_generation = ISH_FW_GEN_LNL_M,
 	},
+	[ISHTP_DRIVER_DATA_PTL] = {
+		.fw_generation = ISH_FW_GEN_PTL,
+	},
 };
 
 static const struct pci_device_id ish_pci_tbl[] = {
@@ -63,6 +68,8 @@ static const struct pci_device_id ish_pci_tbl[] = {
 	{PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ISH_ARL_H)},
 	{PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ISH_ARL_S)},
 	{PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ISH_LNL_M), .driver_data = ISHTP_DRIVER_DATA_LNL_M},
+	{PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ISH_PTL_H), .driver_data = ISHTP_DRIVER_DATA_PTL},
+	{PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_ISH_PTL_P), .driver_data = ISHTP_DRIVER_DATA_PTL},
 	{}
 };
 MODULE_DEVICE_TABLE(pci, ish_pci_tbl);
diff --git a/drivers/hid/intel-ish-hid/ishtp/client-buffers.c b/drivers/hid/intel-ish-hid/ishtp/client-buffers.c
index 513d7a4a1b8a..97f4026b1627 100644
--- a/drivers/hid/intel-ish-hid/ishtp/client-buffers.c
+++ b/drivers/hid/intel-ish-hid/ishtp/client-buffers.c
@@ -252,27 +252,6 @@ int ishtp_cl_io_rb_recycle(struct ishtp_cl_rb *rb)
 EXPORT_SYMBOL(ishtp_cl_io_rb_recycle);
 
 /**
- * ishtp_cl_tx_empty() -test whether client device tx buffer is empty
- * @cl: Pointer to client device instance
- *
- * Look client device tx buffer list, and check whether this list is empty
- *
- * Return: true if client tx buffer list is empty else false
- */
-bool ishtp_cl_tx_empty(struct ishtp_cl *cl)
-{
-	int tx_list_empty;
-	unsigned long tx_flags;
-
-	spin_lock_irqsave(&cl->tx_list_spinlock, tx_flags);
-	tx_list_empty = list_empty(&cl->tx_list.list);
-	spin_unlock_irqrestore(&cl->tx_list_spinlock, tx_flags);
-
-	return !!tx_list_empty;
-}
-EXPORT_SYMBOL(ishtp_cl_tx_empty);
-
-/**
  * ishtp_cl_rx_get_rb() -Get a rb from client device rx buffer list
  * @cl: Pointer to client device instance
  *
diff --git a/drivers/hid/intel-ish-hid/ishtp/client.c b/drivers/hid/intel-ish-hid/ishtp/client.c
index e61b01e9902e..21a2c0773cc2 100644
--- a/drivers/hid/intel-ish-hid/ishtp/client.c
+++ b/drivers/hid/intel-ish-hid/ishtp/client.c
@@ -14,25 +14,6 @@
 #include "hbm.h"
 #include "client.h"
 
-int ishtp_cl_get_tx_free_buffer_size(struct ishtp_cl *cl)
-{
-	unsigned long tx_free_flags;
-	int size;
-
-	spin_lock_irqsave(&cl->tx_free_list_spinlock, tx_free_flags);
-	size = cl->tx_ring_free_size * cl->device->fw_client->props.max_msg_length;
-	spin_unlock_irqrestore(&cl->tx_free_list_spinlock, tx_free_flags);
-
-	return size;
-}
-EXPORT_SYMBOL(ishtp_cl_get_tx_free_buffer_size);
-
-int ishtp_cl_get_tx_free_rings(struct ishtp_cl *cl)
-{
-	return cl->tx_ring_free_size;
-}
-EXPORT_SYMBOL(ishtp_cl_get_tx_free_rings);
-
 /**
  * ishtp_read_list_flush() - Flush read queue
  * @cl: ishtp client instance
diff --git a/drivers/hid/intel-ish-hid/ishtp/client.h b/drivers/hid/intel-ish-hid/ishtp/client.h
index d9d398fadcf7..0efd49dd2530 100644
--- a/drivers/hid/intel-ish-hid/ishtp/client.h
+++ b/drivers/hid/intel-ish-hid/ishtp/client.h
@@ -120,8 +120,6 @@ int ishtp_cl_alloc_rx_ring(struct ishtp_cl *cl);
 int ishtp_cl_alloc_tx_ring(struct ishtp_cl *cl);
 void ishtp_cl_free_rx_ring(struct ishtp_cl *cl);
 void ishtp_cl_free_tx_ring(struct ishtp_cl *cl);
-int ishtp_cl_get_tx_free_buffer_size(struct ishtp_cl *cl);
-int ishtp_cl_get_tx_free_rings(struct ishtp_cl *cl);
 
 /* DMA I/F functions */
 void recv_ishtp_cl_msg_dma(struct ishtp_device *dev, void *msg,
diff --git a/drivers/hid/intel-ish-hid/ishtp/init.c b/drivers/hid/intel-ish-hid/ishtp/init.c
index 07fdd52e4c5e..26bf9045a8de 100644
--- a/drivers/hid/intel-ish-hid/ishtp/init.c
+++ b/drivers/hid/intel-ish-hid/ishtp/init.c
@@ -15,36 +15,6 @@
 #include "loader.h"
 
 /**
- * ishtp_dev_state_str() -Convert to string format
- * @state: state to convert
- *
- * Convert state to string for prints
- *
- * Return: character pointer to converted string
- */
-const char *ishtp_dev_state_str(int state)
-{
-	switch (state) {
-	case ISHTP_DEV_INITIALIZING:
-		return	"INITIALIZING";
-	case ISHTP_DEV_INIT_CLIENTS:
-		return	"INIT_CLIENTS";
-	case ISHTP_DEV_ENABLED:
-		return	"ENABLED";
-	case ISHTP_DEV_RESETTING:
-		return	"RESETTING";
-	case ISHTP_DEV_DISABLED:
-		return	"DISABLED";
-	case ISHTP_DEV_POWER_DOWN:
-		return	"POWER_DOWN";
-	case ISHTP_DEV_POWER_UP:
-		return	"POWER_UP";
-	default:
-		return "unknown";
-	}
-}
-
-/**
  * ishtp_device_init() - ishtp device init
  * @dev: ISHTP device instance
  *
diff --git a/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h b/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h
index effbb442c727..ec9f6e87aaf2 100644
--- a/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h
+++ b/drivers/hid/intel-ish-hid/ishtp/ishtp-dev.h
@@ -57,7 +57,6 @@ enum ishtp_dev_state {
 	ISHTP_DEV_POWER_DOWN,
 	ISHTP_DEV_POWER_UP
 };
-const char *ishtp_dev_state_str(int state);
 
 struct ishtp_cl;
 
@@ -254,6 +253,8 @@ struct ishtp_device {
 	unsigned int	ipc_tx_cnt;
 	unsigned long long	ipc_tx_bytes_cnt;
 
+	/* Time of the last clock sync */
+	unsigned long prev_sync;
 	const struct ishtp_hw_ops *ops;
 	size_t	mtu;
 	uint32_t	ishtp_msg_hdr;
diff --git a/drivers/hid/intel-thc-hid/Kconfig b/drivers/hid/intel-thc-hid/Kconfig
new file mode 100644
index 000000000000..0351d1137607
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/Kconfig
@@ -0,0 +1,42 @@
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2024, Intel Corporation.
+
+menu "Intel THC HID Support"
+	depends on X86_64 && PCI
+
+config INTEL_THC_HID
+	tristate "Intel Touch Host Controller"
+	depends on ACPI
+	help
+	  THC (Touch Host Controller) is the name of the IP block in PCH that
+	  interfaces with Touch Devices (ex: touchscreen, touchpad etc.). It
+	  is comprised of 3 key functional blocks: A natively half-duplex
+	  Quad I/O capable SPI master; a low latency I2C interface to support
+	  HIDI2C compliant devices; a hardware sequencer with Read/Write DMA
+	  capability to system memory.
+
+	  Say Y/M here if you want to support Intel THC. If unsure, say N.
+
+config INTEL_QUICKSPI
+	tristate "Intel QuickSPI driver based on Intel Touch Host Controller"
+	depends on INTEL_THC_HID
+	help
+	  Intel QuickSPI, based on Touch Host Controller (THC), implements
+	  HIDSPI (HID over SPI) protocol. It configures THC to work at SPI
+	  mode, and controls THC hardware sequencer to accelerate HIDSPI
+	  transaction flow.
+
+	  Say Y/M here if you want to support Intel QuickSPI. If unsure, say N.
+
+config INTEL_QUICKI2C
+	tristate "Intel QuickI2C driver based on Intel Touch Host Controller"
+	depends on INTEL_THC_HID
+	help
+	  Intel QuickI2C, uses Touch Host Controller (THC) hardware, implements
+	  HIDI2C (HID over I2C) protocol. It configures THC to work in I2C
+	  mode, and controls THC hardware sequencer to accelerate HIDI2C
+	  transaction flow.
+
+	  Say Y/M here if you want to support Intel QuickI2C. If unsure, say N.
+
+endmenu
diff --git a/drivers/hid/intel-thc-hid/Makefile b/drivers/hid/intel-thc-hid/Makefile
new file mode 100644
index 000000000000..6f762d87af07
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/Makefile
@@ -0,0 +1,22 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+# Makefile - Intel Touch Host Controller (THC) drivers
+# Copyright (c) 2024, Intel Corporation.
+#
+#
+
+obj-$(CONFIG_INTEL_THC_HID) += intel-thc.o
+intel-thc-objs += intel-thc/intel-thc-dev.o
+intel-thc-objs += intel-thc/intel-thc-dma.o
+
+obj-$(CONFIG_INTEL_QUICKSPI) += intel-quickspi.o
+intel-quickspi-objs += intel-quickspi/pci-quickspi.o
+intel-quickspi-objs += intel-quickspi/quickspi-hid.o
+intel-quickspi-objs += intel-quickspi/quickspi-protocol.o
+
+obj-$(CONFIG_INTEL_QUICKI2C) += intel-quicki2c.o
+intel-quicki2c-objs += intel-quicki2c/pci-quicki2c.o
+intel-quicki2c-objs += intel-quicki2c/quicki2c-hid.o
+intel-quicki2c-objs += intel-quicki2c/quicki2c-protocol.o
+
+ccflags-y += -I $(src)/intel-thc
diff --git a/drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c b/drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c
new file mode 100644
index 000000000000..2de93f4a25ca
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c
@@ -0,0 +1,969 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2024 Intel Corporation */
+
+#include <linux/acpi.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/err.h>
+#include <linux/interrupt.h>
+#include <linux/irqreturn.h>
+#include <linux/pci.h>
+#include <linux/sizes.h>
+#include <linux/pm_runtime.h>
+
+#include "intel-thc-dev.h"
+#include "intel-thc-hw.h"
+
+#include "quicki2c-dev.h"
+#include "quicki2c-hid.h"
+#include "quicki2c-protocol.h"
+
+/* THC QuickI2C ACPI method to get device properties */
+/* HIDI2C device method */
+static guid_t i2c_hid_guid =
+	GUID_INIT(0x3cdff6f7, 0x4267, 0x4555, 0xad, 0x05, 0xb3, 0x0a, 0x3d, 0x89, 0x38, 0xde);
+
+/* platform method */
+static guid_t thc_platform_guid =
+	GUID_INIT(0x84005682, 0x5b71, 0x41a4, 0x8d, 0x66, 0x81, 0x30, 0xf7, 0x87, 0xa1, 0x38);
+
+/**
+ * quicki2c_acpi_get_dsm_property - Query device ACPI DSM parameter
+ *
+ * @adev: point to ACPI device
+ * @guid: ACPI method's guid
+ * @rev: ACPI method's revision
+ * @func: ACPI method's function number
+ * @type: ACPI parameter's data type
+ * @prop_buf: point to return buffer
+ *
+ * This is a helper function for device to query its ACPI DSM parameters.
+ *
+ * Return: 0 if success or ENODEV on failed.
+ */
+static int quicki2c_acpi_get_dsm_property(struct acpi_device *adev, const guid_t *guid,
+					  u64 rev, u64 func, acpi_object_type type, void *prop_buf)
+{
+	acpi_handle handle = acpi_device_handle(adev);
+	union acpi_object *obj;
+
+	obj = acpi_evaluate_dsm_typed(handle, guid, rev, func, NULL, type);
+	if (!obj) {
+		acpi_handle_err(handle,
+				"Error _DSM call failed, rev: %d, func: %d, type: %d\n",
+				(int)rev, (int)func, (int)type);
+		return -ENODEV;
+	}
+
+	if (type == ACPI_TYPE_INTEGER)
+		*(u32 *)prop_buf = (u32)obj->integer.value;
+	else if (type == ACPI_TYPE_BUFFER)
+		memcpy(prop_buf, obj->buffer.pointer, obj->buffer.length);
+
+	ACPI_FREE(obj);
+
+	return 0;
+}
+
+/**
+ * quicki2c_acpi_get_dsd_property - Query device ACPI DSD parameter
+ *
+ * @adev: point to ACPI device
+ * @dsd_method_name: ACPI method's property name
+ * @type: ACPI parameter's data type
+ * @prop_buf: point to return buffer
+ *
+ * This is a helper function for device to query its ACPI DSD parameters.
+ *
+ * Return: 0 if success or ENODEV on failed.
+ */
+static int quicki2c_acpi_get_dsd_property(struct acpi_device *adev, acpi_string dsd_method_name,
+					  acpi_object_type type, void *prop_buf)
+{
+	acpi_handle handle = acpi_device_handle(adev);
+	struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+	union acpi_object obj = { .type = type };
+	struct acpi_object_list arg_list = {
+		.count = 1,
+		.pointer = &obj,
+	};
+	union acpi_object *ret_obj;
+	acpi_status status;
+
+	status = acpi_evaluate_object(handle, dsd_method_name, &arg_list, &buffer);
+	if (ACPI_FAILURE(status)) {
+		acpi_handle_err(handle,
+				"Can't evaluate %s method: %d\n", dsd_method_name, status);
+		return -ENODEV;
+	}
+
+	ret_obj = buffer.pointer;
+
+	memcpy(prop_buf, ret_obj->buffer.pointer, ret_obj->buffer.length);
+
+	return 0;
+}
+
+/**
+ * quicki2c_get_acpi_resources - Query all quicki2c devices' ACPI parameters
+ *
+ * @qcdev: point to quicki2c device
+ *
+ * This function gets all quicki2c devices' ACPI resource.
+ *
+ * Return: 0 if success or error code on failed.
+ */
+static int quicki2c_get_acpi_resources(struct quicki2c_device *qcdev)
+{
+	struct acpi_device *adev = ACPI_COMPANION(qcdev->dev);
+	struct quicki2c_subip_acpi_parameter i2c_param;
+	struct quicki2c_subip_acpi_config i2c_config;
+	u32 hid_desc_addr;
+	int ret = -EINVAL;
+
+	if (!adev) {
+		dev_err(qcdev->dev, "Invalid acpi device pointer\n");
+		return ret;
+	}
+
+	qcdev->acpi_dev = adev;
+
+	ret = quicki2c_acpi_get_dsm_property(adev, &i2c_hid_guid,
+					     QUICKI2C_ACPI_REVISION_NUM,
+					     QUICKI2C_ACPI_FUNC_NUM_HID_DESC_ADDR,
+					     ACPI_TYPE_INTEGER,
+					     &hid_desc_addr);
+	if (ret)
+		return ret;
+
+	qcdev->hid_desc_addr = (u16)hid_desc_addr;
+
+	ret = quicki2c_acpi_get_dsm_property(adev, &thc_platform_guid,
+					     QUICKI2C_ACPI_REVISION_NUM,
+					     QUICKI2C_ACPI_FUNC_NUM_ACTIVE_LTR_VAL,
+					     ACPI_TYPE_INTEGER,
+					     &qcdev->active_ltr_val);
+	if (ret)
+		return ret;
+
+	ret = quicki2c_acpi_get_dsm_property(adev, &thc_platform_guid,
+					     QUICKI2C_ACPI_REVISION_NUM,
+					     QUICKI2C_ACPI_FUNC_NUM_LP_LTR_VAL,
+					     ACPI_TYPE_INTEGER,
+					     &qcdev->low_power_ltr_val);
+	if (ret)
+		return ret;
+
+	ret = quicki2c_acpi_get_dsd_property(adev, QUICKI2C_ACPI_METHOD_NAME_ICRS,
+					     ACPI_TYPE_BUFFER, &i2c_param);
+	if (ret)
+		return ret;
+
+	if (i2c_param.addressing_mode != HIDI2C_ADDRESSING_MODE_7BIT)
+		return -EOPNOTSUPP;
+
+	qcdev->i2c_slave_addr = i2c_param.device_address;
+
+	ret = quicki2c_acpi_get_dsd_property(adev, QUICKI2C_ACPI_METHOD_NAME_ISUB,
+					     ACPI_TYPE_BUFFER, &i2c_config);
+	if (ret)
+		return ret;
+
+	if (i2c_param.connection_speed > 0 &&
+	    i2c_param.connection_speed <= QUICKI2C_SUBIP_STANDARD_MODE_MAX_SPEED) {
+		qcdev->i2c_speed_mode = THC_I2C_STANDARD;
+		qcdev->i2c_clock_hcnt = i2c_config.SMHX;
+		qcdev->i2c_clock_lcnt = i2c_config.SMLX;
+	} else if (i2c_param.connection_speed > QUICKI2C_SUBIP_STANDARD_MODE_MAX_SPEED &&
+		   i2c_param.connection_speed <= QUICKI2C_SUBIP_FAST_MODE_MAX_SPEED) {
+		qcdev->i2c_speed_mode = THC_I2C_FAST_AND_PLUS;
+		qcdev->i2c_clock_hcnt = i2c_config.FMHX;
+		qcdev->i2c_clock_lcnt = i2c_config.FMLX;
+	} else if (i2c_param.connection_speed > QUICKI2C_SUBIP_FAST_MODE_MAX_SPEED &&
+		   i2c_param.connection_speed <= QUICKI2C_SUBIP_FASTPLUS_MODE_MAX_SPEED) {
+		qcdev->i2c_speed_mode = THC_I2C_FAST_AND_PLUS;
+		qcdev->i2c_clock_hcnt = i2c_config.FPHX;
+		qcdev->i2c_clock_lcnt = i2c_config.FPLX;
+	} else if (i2c_param.connection_speed > QUICKI2C_SUBIP_FASTPLUS_MODE_MAX_SPEED &&
+		   i2c_param.connection_speed <= QUICKI2C_SUBIP_HIGH_SPEED_MODE_MAX_SPEED) {
+		qcdev->i2c_speed_mode = THC_I2C_HIGH_SPEED;
+		qcdev->i2c_clock_hcnt = i2c_config.HMHX;
+		qcdev->i2c_clock_lcnt = i2c_config.HMLX;
+	} else {
+		return -EOPNOTSUPP;
+	}
+
+	return 0;
+}
+
+/**
+ * quicki2c_irq_quick_handler - The ISR of the quicki2c driver
+ *
+ * @irq: The irq number
+ * @dev_id: pointer to the device structure
+ *
+ * Return: IRQ_WAKE_THREAD if further process needed.
+ */
+static irqreturn_t quicki2c_irq_quick_handler(int irq, void *dev_id)
+{
+	struct quicki2c_device *qcdev = dev_id;
+
+	if (qcdev->state == QUICKI2C_DISABLED)
+		return IRQ_HANDLED;
+
+	/* Disable THC interrupt before current interrupt be handled */
+	thc_interrupt_enable(qcdev->thc_hw, false);
+
+	return IRQ_WAKE_THREAD;
+}
+
+/**
+ * try_recover - Try to recovery THC and Device
+ * @qcdev: pointer to quicki2c device
+ *
+ * This function is a error handler, called when fatal error happens.
+ * It try to reset Touch Device and re-configure THC to recovery
+ * transferring between Device and THC.
+ *
+ * Return: 0 if successful or error code on failed
+ */
+static int try_recover(struct quicki2c_device *qcdev)
+{
+	int ret;
+
+	thc_dma_unconfigure(qcdev->thc_hw);
+
+	ret = thc_dma_configure(qcdev->thc_hw);
+	if (ret) {
+		dev_err(qcdev->dev, "Reconfig DMA failed\n");
+		return ret;
+	}
+
+	return 0;
+}
+
+static int handle_input_report(struct quicki2c_device *qcdev)
+{
+	struct hidi2c_report_packet *pkt = (struct hidi2c_report_packet *)qcdev->input_buf;
+	int rx_dma_finished = 0;
+	size_t report_len;
+	int ret;
+
+	while (!rx_dma_finished) {
+		ret = thc_rxdma_read(qcdev->thc_hw, THC_RXDMA2,
+				     (u8 *)pkt, &report_len,
+				     &rx_dma_finished);
+		if (ret)
+			return ret;
+
+		if (!pkt->len) {
+			if (qcdev->state == QUICKI2C_RESETING) {
+				qcdev->reset_ack = true;
+				wake_up(&qcdev->reset_ack_wq);
+
+				qcdev->state = QUICKI2C_RESETED;
+			} else {
+				dev_warn(qcdev->dev, "unexpected DIR happen\n");
+			}
+
+			continue;
+		}
+
+		/* discard samples before driver probe complete */
+		if (qcdev->state != QUICKI2C_ENABLED)
+			continue;
+
+		quicki2c_hid_send_report(qcdev, pkt->data,
+					 HIDI2C_DATA_LEN(le16_to_cpu(pkt->len)));
+	}
+
+	return 0;
+}
+
+/**
+ * quicki2c_irq_thread_handler - IRQ thread handler of quicki2c driver
+ *
+ * @irq: The IRQ number
+ * @dev_id: pointer to the quicki2c device structure
+ *
+ * Return: IRQ_HANDLED to finish this handler.
+ */
+static irqreturn_t quicki2c_irq_thread_handler(int irq, void *dev_id)
+{
+	struct quicki2c_device *qcdev = dev_id;
+	int err_recover = 0;
+	int int_mask;
+	int ret;
+
+	if (qcdev->state == QUICKI2C_DISABLED)
+		return IRQ_HANDLED;
+
+	ret = pm_runtime_resume_and_get(qcdev->dev);
+	if (ret)
+		return IRQ_HANDLED;
+
+	int_mask = thc_interrupt_handler(qcdev->thc_hw);
+
+	if (int_mask & BIT(THC_FATAL_ERR_INT) || int_mask & BIT(THC_TXN_ERR_INT) ||
+	    int_mask & BIT(THC_UNKNOWN_INT)) {
+		err_recover = 1;
+		goto exit;
+	}
+
+	if (int_mask & BIT(THC_RXDMA2_INT)) {
+		err_recover = handle_input_report(qcdev);
+		if (err_recover)
+			goto exit;
+	}
+
+exit:
+	thc_interrupt_enable(qcdev->thc_hw, true);
+
+	if (err_recover)
+		if (try_recover(qcdev))
+			qcdev->state = QUICKI2C_DISABLED;
+
+	pm_runtime_mark_last_busy(qcdev->dev);
+	pm_runtime_put_autosuspend(qcdev->dev);
+
+	return IRQ_HANDLED;
+}
+
+/**
+ * quicki2c_dev_init - Initialize quicki2c device
+ *
+ * @pdev: pointer to the thc pci device
+ * @mem_addr: The pointer of MMIO memory address
+ *
+ * Alloc quicki2c device structure and initialized THC device,
+ * then configure THC to HIDI2C mode.
+ *
+ * If success, enable THC hardware interrupt.
+ *
+ * Return: pointer to the quicki2c device structure if success
+ * or NULL on failed.
+ */
+static struct quicki2c_device *quicki2c_dev_init(struct pci_dev *pdev, void __iomem *mem_addr)
+{
+	struct device *dev = &pdev->dev;
+	struct quicki2c_device *qcdev;
+	int ret;
+
+	qcdev = devm_kzalloc(dev, sizeof(struct quicki2c_device), GFP_KERNEL);
+	if (!qcdev)
+		return ERR_PTR(-ENOMEM);
+
+	qcdev->pdev = pdev;
+	qcdev->dev = dev;
+	qcdev->mem_addr = mem_addr;
+	qcdev->state = QUICKI2C_DISABLED;
+
+	init_waitqueue_head(&qcdev->reset_ack_wq);
+
+	/* thc hw init */
+	qcdev->thc_hw = thc_dev_init(qcdev->dev, qcdev->mem_addr);
+	if (IS_ERR(qcdev->thc_hw)) {
+		ret = PTR_ERR(qcdev->thc_hw);
+		dev_err_once(dev, "Failed to initialize THC device context, ret = %d.\n", ret);
+		return ERR_PTR(ret);
+	}
+
+	ret = quicki2c_get_acpi_resources(qcdev);
+	if (ret) {
+		dev_err_once(dev, "Get ACPI resources failed, ret = %d\n", ret);
+		return ERR_PTR(ret);
+	}
+
+	ret = thc_interrupt_quiesce(qcdev->thc_hw, true);
+	if (ret)
+		return ERR_PTR(ret);
+
+	ret = thc_port_select(qcdev->thc_hw, THC_PORT_TYPE_I2C);
+	if (ret) {
+		dev_err_once(dev, "Failed to select THC port, ret = %d.\n", ret);
+		return ERR_PTR(ret);
+	}
+
+	ret = thc_i2c_subip_init(qcdev->thc_hw, qcdev->i2c_slave_addr,
+				 qcdev->i2c_speed_mode,
+				 qcdev->i2c_clock_hcnt,
+				 qcdev->i2c_clock_lcnt);
+	if (ret)
+		return ERR_PTR(ret);
+
+	thc_int_trigger_type_select(qcdev->thc_hw, false);
+
+	thc_interrupt_config(qcdev->thc_hw);
+
+	thc_interrupt_enable(qcdev->thc_hw, true);
+
+	qcdev->state = QUICKI2C_INITED;
+
+	return qcdev;
+}
+
+/**
+ * quicki2c_dev_deinit - De-initialize quicki2c device
+ *
+ * @qcdev: pointer to the quicki2c device structure
+ *
+ * Disable THC interrupt and deinitilize THC.
+ */
+static void quicki2c_dev_deinit(struct quicki2c_device *qcdev)
+{
+	thc_interrupt_enable(qcdev->thc_hw, false);
+	thc_ltr_unconfig(qcdev->thc_hw);
+
+	qcdev->state = QUICKI2C_DISABLED;
+}
+
+/**
+ * quicki2c_dma_init - Configure THC DMA for quicki2c device
+ * @qcdev: pointer to the quicki2c device structure
+ *
+ * This function uses TIC's parameters(such as max input length, max output
+ * length) to allocate THC DMA buffers and configure THC DMA engines.
+ *
+ * Return: 0 if success or error code on failed.
+ */
+static int quicki2c_dma_init(struct quicki2c_device *qcdev)
+{
+	size_t swdma_max_len;
+	int ret;
+
+	swdma_max_len = max(le16_to_cpu(qcdev->dev_desc.max_input_len),
+			    le16_to_cpu(qcdev->dev_desc.report_desc_len));
+
+	ret = thc_dma_set_max_packet_sizes(qcdev->thc_hw, 0,
+					   le16_to_cpu(qcdev->dev_desc.max_input_len),
+					   le16_to_cpu(qcdev->dev_desc.max_output_len),
+					   swdma_max_len);
+	if (ret)
+		return ret;
+
+	ret = thc_dma_allocate(qcdev->thc_hw);
+	if (ret) {
+		dev_err(qcdev->dev, "Allocate THC DMA buffer failed, ret = %d\n", ret);
+		return ret;
+	}
+
+	/* Enable RxDMA */
+	ret = thc_dma_configure(qcdev->thc_hw);
+	if (ret) {
+		dev_err(qcdev->dev, "Configure THC DMA failed, ret = %d\n", ret);
+		thc_dma_unconfigure(qcdev->thc_hw);
+		thc_dma_release(qcdev->thc_hw);
+		return ret;
+	}
+
+	return ret;
+}
+
+/**
+ * quicki2c_dma_deinit - Release THC DMA for quicki2c device
+ * @qcdev: pointer to the quicki2c device structure
+ *
+ * Stop THC DMA engines and release all DMA buffers.
+ *
+ */
+static void quicki2c_dma_deinit(struct quicki2c_device *qcdev)
+{
+	thc_dma_unconfigure(qcdev->thc_hw);
+	thc_dma_release(qcdev->thc_hw);
+}
+
+/**
+ * quicki2c_alloc_report_buf - Alloc report buffers
+ * @qcdev: pointer to the quicki2c device structure
+ *
+ * Allocate report descriptor buffer, it will be used for restore TIC HID
+ * report descriptor.
+ *
+ * Allocate input report buffer, it will be used for receive HID input report
+ * data from TIC.
+ *
+ * Allocate output report buffer, it will be used for store HID output report,
+ * such as set feature.
+ *
+ * Return: 0 if success or error code on failed.
+ */
+static int quicki2c_alloc_report_buf(struct quicki2c_device *qcdev)
+{
+	size_t max_report_len;
+
+	qcdev->report_descriptor = devm_kzalloc(qcdev->dev,
+						le16_to_cpu(qcdev->dev_desc.report_desc_len),
+						GFP_KERNEL);
+	if (!qcdev->report_descriptor)
+		return -ENOMEM;
+
+	/*
+	 * Some HIDI2C devices don't declare input/output max length correctly,
+	 * give default 4K buffer to avoid DMA buffer overrun.
+	 */
+	max_report_len = max(le16_to_cpu(qcdev->dev_desc.max_input_len), SZ_4K);
+
+	qcdev->input_buf = devm_kzalloc(qcdev->dev, max_report_len, GFP_KERNEL);
+	if (!qcdev->input_buf)
+		return -ENOMEM;
+
+	if (!le16_to_cpu(qcdev->dev_desc.max_output_len))
+		qcdev->dev_desc.max_output_len = cpu_to_le16(SZ_4K);
+
+	max_report_len = max(le16_to_cpu(qcdev->dev_desc.max_output_len),
+			     max_report_len);
+
+	qcdev->report_buf = devm_kzalloc(qcdev->dev, max_report_len, GFP_KERNEL);
+	if (!qcdev->report_buf)
+		return -ENOMEM;
+
+	qcdev->report_len = max_report_len;
+
+	return 0;
+}
+
+/*
+ * quicki2c_probe: Quicki2c driver probe function
+ *
+ * @pdev: point to pci device
+ * @id: point to pci_device_id structure
+ *
+ * This function initializes THC and HIDI2C device, the flow is:
+ * - do THC pci device initialization
+ * - query HIDI2C ACPI parameters
+ * - configure THC to HIDI2C mode
+ * - go through HIDI2C enumeration flow
+ *   |- read device descriptor
+ *   |- reset HIDI2C device
+ * - enable THC interrupt and DMA
+ * - read report descriptor
+ * - register HID device
+ * - enable runtime power management
+ *
+ * Return 0 if success or error code on failed.
+ */
+static int quicki2c_probe(struct pci_dev *pdev,
+			  const struct pci_device_id *id)
+{
+	struct quicki2c_device *qcdev;
+	void __iomem *mem_addr;
+	int ret;
+
+	ret = pcim_enable_device(pdev);
+	if (ret) {
+		dev_err_once(&pdev->dev, "Failed to enable PCI device, ret = %d.\n", ret);
+		return ret;
+	}
+
+	pci_set_master(pdev);
+
+	ret = pcim_iomap_regions(pdev, BIT(0), KBUILD_MODNAME);
+	if (ret) {
+		dev_err_once(&pdev->dev, "Failed to get PCI regions, ret = %d.\n", ret);
+		goto disable_pci_device;
+	}
+
+	mem_addr = pcim_iomap_table(pdev)[0];
+
+	ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
+	if (ret) {
+		ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
+		if (ret) {
+			dev_err_once(&pdev->dev, "No usable DMA configuration %d\n", ret);
+			goto unmap_io_region;
+		}
+	}
+
+	ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
+	if (ret < 0) {
+		dev_err_once(&pdev->dev,
+			     "Failed to allocate IRQ vectors. ret = %d\n", ret);
+		goto unmap_io_region;
+	}
+
+	pdev->irq = pci_irq_vector(pdev, 0);
+
+	qcdev = quicki2c_dev_init(pdev, mem_addr);
+	if (IS_ERR(qcdev)) {
+		dev_err_once(&pdev->dev, "QuickI2C device init failed\n");
+		ret = PTR_ERR(qcdev);
+		goto unmap_io_region;
+	}
+
+	pci_set_drvdata(pdev, qcdev);
+
+	ret = devm_request_threaded_irq(&pdev->dev, pdev->irq,
+					quicki2c_irq_quick_handler,
+					quicki2c_irq_thread_handler,
+					IRQF_ONESHOT, KBUILD_MODNAME,
+					qcdev);
+	if (ret) {
+		dev_err_once(&pdev->dev,
+			     "Failed to request threaded IRQ, irq = %d.\n", pdev->irq);
+		goto dev_deinit;
+	}
+
+	ret = quicki2c_get_device_descriptor(qcdev);
+	if (ret) {
+		dev_err(&pdev->dev, "Get device descriptor failed, ret = %d\n", ret);
+		goto dev_deinit;
+	}
+
+	ret = quicki2c_alloc_report_buf(qcdev);
+	if (ret) {
+		dev_err(&pdev->dev, "Alloc report buffers failed, ret= %d\n", ret);
+		goto dev_deinit;
+	}
+
+	ret = quicki2c_dma_init(qcdev);
+	if (ret) {
+		dev_err(&pdev->dev, "Setup THC DMA failed, ret= %d\n", ret);
+		goto dev_deinit;
+	}
+
+	ret = thc_interrupt_quiesce(qcdev->thc_hw, false);
+	if (ret)
+		goto dev_deinit;
+
+	ret = quicki2c_set_power(qcdev, HIDI2C_ON);
+	if (ret) {
+		dev_err(&pdev->dev, "Set Power On command failed, ret= %d\n", ret);
+		goto dev_deinit;
+	}
+
+	ret = quicki2c_reset(qcdev);
+	if (ret) {
+		dev_err(&pdev->dev, "Reset HIDI2C device failed, ret= %d\n", ret);
+		goto dev_deinit;
+	}
+
+	ret = quicki2c_get_report_descriptor(qcdev);
+	if (ret) {
+		dev_err(&pdev->dev, "Get report descriptor failed, ret = %d\n", ret);
+		goto dma_deinit;
+	}
+
+	ret = quicki2c_hid_probe(qcdev);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to register HID device, ret = %d\n", ret);
+		goto dma_deinit;
+	}
+
+	qcdev->state = QUICKI2C_ENABLED;
+
+	/* Enable runtime power management */
+	pm_runtime_use_autosuspend(qcdev->dev);
+	pm_runtime_set_autosuspend_delay(qcdev->dev, DEFAULT_AUTO_SUSPEND_DELAY_MS);
+	pm_runtime_mark_last_busy(qcdev->dev);
+	pm_runtime_put_noidle(qcdev->dev);
+	pm_runtime_put_autosuspend(qcdev->dev);
+
+	dev_dbg(&pdev->dev, "QuickI2C probe success\n");
+
+	return 0;
+
+dma_deinit:
+	quicki2c_dma_deinit(qcdev);
+dev_deinit:
+	quicki2c_dev_deinit(qcdev);
+unmap_io_region:
+	pcim_iounmap_regions(pdev, BIT(0));
+disable_pci_device:
+	pci_clear_master(pdev);
+
+	return ret;
+}
+
+/**
+ * quicki2c_remove - Device Removal Routine
+ *
+ * @pdev: PCI device structure
+ *
+ * This is called by the PCI subsystem to alert the driver
+ * that it should release a PCI device.
+ */
+static void quicki2c_remove(struct pci_dev *pdev)
+{
+	struct quicki2c_device *qcdev;
+
+	qcdev = pci_get_drvdata(pdev);
+	if (!qcdev)
+		return;
+
+	quicki2c_hid_remove(qcdev);
+	quicki2c_dma_deinit(qcdev);
+
+	pm_runtime_get_noresume(qcdev->dev);
+
+	quicki2c_dev_deinit(qcdev);
+
+	pcim_iounmap_regions(pdev, BIT(0));
+	pci_clear_master(pdev);
+}
+
+/**
+ * quicki2c_shutdown - Device Shutdown Routine
+ *
+ * @pdev: PCI device structure
+ *
+ * This is called from the reboot notifier
+ * it's a simplified version of remove so we go down
+ * faster.
+ */
+static void quicki2c_shutdown(struct pci_dev *pdev)
+{
+	struct quicki2c_device *qcdev;
+
+	qcdev = pci_get_drvdata(pdev);
+	if (!qcdev)
+		return;
+
+	/* Must stop DMA before reboot to avoid DMA entering into unknown state */
+	quicki2c_dma_deinit(qcdev);
+
+	quicki2c_dev_deinit(qcdev);
+}
+
+static int quicki2c_suspend(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct quicki2c_device *qcdev;
+	int ret;
+
+	qcdev = pci_get_drvdata(pdev);
+	if (!qcdev)
+		return -ENODEV;
+
+	/*
+	 * As I2C is THC subsystem, no register auto save/restore support,
+	 * need driver to do that explicitly for every D3 case.
+	 */
+	ret = thc_i2c_subip_regs_save(qcdev->thc_hw);
+	if (ret)
+		return ret;
+
+	ret = thc_interrupt_quiesce(qcdev->thc_hw, true);
+	if (ret)
+		return ret;
+
+	thc_interrupt_enable(qcdev->thc_hw, false);
+
+	thc_dma_unconfigure(qcdev->thc_hw);
+
+	return 0;
+}
+
+static int quicki2c_resume(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct quicki2c_device *qcdev;
+	int ret;
+
+	qcdev = pci_get_drvdata(pdev);
+	if (!qcdev)
+		return -ENODEV;
+
+	ret = thc_port_select(qcdev->thc_hw, THC_PORT_TYPE_I2C);
+	if (ret)
+		return ret;
+
+	ret = thc_i2c_subip_regs_restore(qcdev->thc_hw);
+	if (ret)
+		return ret;
+
+	thc_interrupt_config(qcdev->thc_hw);
+
+	thc_interrupt_enable(qcdev->thc_hw, true);
+
+	ret = thc_dma_configure(qcdev->thc_hw);
+	if (ret)
+		return ret;
+
+	ret = thc_interrupt_quiesce(qcdev->thc_hw, false);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int quicki2c_freeze(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct quicki2c_device *qcdev;
+	int ret;
+
+	qcdev = pci_get_drvdata(pdev);
+	if (!qcdev)
+		return -ENODEV;
+
+	ret = thc_interrupt_quiesce(qcdev->thc_hw, true);
+	if (ret)
+		return ret;
+
+	thc_interrupt_enable(qcdev->thc_hw, false);
+
+	thc_dma_unconfigure(qcdev->thc_hw);
+
+	return 0;
+}
+
+static int quicki2c_thaw(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct quicki2c_device *qcdev;
+	int ret;
+
+	qcdev = pci_get_drvdata(pdev);
+	if (!qcdev)
+		return -ENODEV;
+
+	ret = thc_dma_configure(qcdev->thc_hw);
+	if (ret)
+		return ret;
+
+	thc_interrupt_enable(qcdev->thc_hw, true);
+
+	ret = thc_interrupt_quiesce(qcdev->thc_hw, false);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int quicki2c_poweroff(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct quicki2c_device *qcdev;
+	int ret;
+
+	qcdev = pci_get_drvdata(pdev);
+	if (!qcdev)
+		return -ENODEV;
+
+	ret = thc_interrupt_quiesce(qcdev->thc_hw, true);
+	if (ret)
+		return ret;
+
+	thc_interrupt_enable(qcdev->thc_hw, false);
+
+	thc_ltr_unconfig(qcdev->thc_hw);
+
+	quicki2c_dma_deinit(qcdev);
+
+	return 0;
+}
+
+static int quicki2c_restore(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct quicki2c_device *qcdev;
+	int ret;
+
+	qcdev = pci_get_drvdata(pdev);
+	if (!qcdev)
+		return -ENODEV;
+
+	/* Reconfig THC HW when back from hibernate */
+	ret = thc_port_select(qcdev->thc_hw, THC_PORT_TYPE_I2C);
+	if (ret)
+		return ret;
+
+	ret = thc_i2c_subip_init(qcdev->thc_hw, qcdev->i2c_slave_addr,
+				 qcdev->i2c_speed_mode,
+				 qcdev->i2c_clock_hcnt,
+				 qcdev->i2c_clock_lcnt);
+	if (ret)
+		return ret;
+
+	thc_interrupt_config(qcdev->thc_hw);
+
+	thc_interrupt_enable(qcdev->thc_hw, true);
+
+	ret = thc_interrupt_quiesce(qcdev->thc_hw, false);
+	if (ret)
+		return ret;
+
+	ret = thc_dma_configure(qcdev->thc_hw);
+	if (ret)
+		return ret;
+
+	thc_ltr_config(qcdev->thc_hw,
+		       qcdev->active_ltr_val,
+		       qcdev->low_power_ltr_val);
+
+	thc_change_ltr_mode(qcdev->thc_hw, THC_LTR_MODE_ACTIVE);
+
+	return 0;
+}
+
+static int quicki2c_runtime_suspend(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct quicki2c_device *qcdev;
+
+	qcdev = pci_get_drvdata(pdev);
+	if (!qcdev)
+		return -ENODEV;
+
+	thc_change_ltr_mode(qcdev->thc_hw, THC_LTR_MODE_LP);
+
+	pci_save_state(pdev);
+
+	return 0;
+}
+
+static int quicki2c_runtime_resume(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct quicki2c_device *qcdev;
+
+	qcdev = pci_get_drvdata(pdev);
+	if (!qcdev)
+		return -ENODEV;
+
+	thc_change_ltr_mode(qcdev->thc_hw, THC_LTR_MODE_ACTIVE);
+
+	return 0;
+}
+
+static const struct dev_pm_ops quicki2c_pm_ops = {
+	.suspend = quicki2c_suspend,
+	.resume = quicki2c_resume,
+	.freeze = quicki2c_freeze,
+	.thaw = quicki2c_thaw,
+	.poweroff = quicki2c_poweroff,
+	.restore = quicki2c_restore,
+	.runtime_suspend = quicki2c_runtime_suspend,
+	.runtime_resume = quicki2c_runtime_resume,
+	.runtime_idle = NULL,
+};
+
+static const struct pci_device_id quicki2c_pci_tbl[] = {
+	{PCI_VDEVICE(INTEL, THC_LNL_DEVICE_ID_I2C_PORT1), },
+	{PCI_VDEVICE(INTEL, THC_LNL_DEVICE_ID_I2C_PORT2), },
+	{PCI_VDEVICE(INTEL, THC_PTL_H_DEVICE_ID_I2C_PORT1), },
+	{PCI_VDEVICE(INTEL, THC_PTL_H_DEVICE_ID_I2C_PORT2), },
+	{PCI_VDEVICE(INTEL, THC_PTL_U_DEVICE_ID_I2C_PORT1), },
+	{PCI_VDEVICE(INTEL, THC_PTL_U_DEVICE_ID_I2C_PORT2), },
+	{}
+};
+MODULE_DEVICE_TABLE(pci, quicki2c_pci_tbl);
+
+static struct pci_driver quicki2c_driver = {
+	.name = KBUILD_MODNAME,
+	.id_table = quicki2c_pci_tbl,
+	.probe = quicki2c_probe,
+	.remove = quicki2c_remove,
+	.shutdown = quicki2c_shutdown,
+	.driver.pm = &quicki2c_pm_ops,
+	.driver.probe_type = PROBE_PREFER_ASYNCHRONOUS,
+};
+
+module_pci_driver(quicki2c_driver);
+
+MODULE_AUTHOR("Xinpeng Sun <xinpeng.sun@intel.com>");
+MODULE_AUTHOR("Even Xu <even.xu@intel.com>");
+
+MODULE_DESCRIPTION("Intel(R) QuickI2C Driver");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS("INTEL_THC");
diff --git a/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-dev.h b/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-dev.h
new file mode 100644
index 000000000000..6ddb584bd611
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-dev.h
@@ -0,0 +1,186 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2024 Intel Corporation */
+
+#ifndef _QUICKI2C_DEV_H_
+#define _QUICKI2C_DEV_H_
+
+#include <linux/hid-over-i2c.h>
+#include <linux/workqueue.h>
+
+#define THC_LNL_DEVICE_ID_I2C_PORT1	0xA848
+#define THC_LNL_DEVICE_ID_I2C_PORT2	0xA84A
+#define THC_PTL_H_DEVICE_ID_I2C_PORT1	0xE348
+#define THC_PTL_H_DEVICE_ID_I2C_PORT2	0xE34A
+#define THC_PTL_U_DEVICE_ID_I2C_PORT1	0xE448
+#define THC_PTL_U_DEVICE_ID_I2C_PORT2	0xE44A
+
+/* Packet size value, the unit is 16 bytes */
+#define MAX_PACKET_SIZE_VALUE_LNL			256
+
+/* HIDI2C special ACPI parameters DSD name */
+#define QUICKI2C_ACPI_METHOD_NAME_ICRS		"ICRS"
+#define QUICKI2C_ACPI_METHOD_NAME_ISUB		"ISUB"
+
+/* HIDI2C special ACPI parameters DSM methods */
+#define QUICKI2C_ACPI_REVISION_NUM		1
+#define QUICKI2C_ACPI_FUNC_NUM_HID_DESC_ADDR	1
+#define QUICKI2C_ACPI_FUNC_NUM_ACTIVE_LTR_VAL	1
+#define QUICKI2C_ACPI_FUNC_NUM_LP_LTR_VAL	2
+
+#define QUICKI2C_SUBIP_STANDARD_MODE_MAX_SPEED		100000
+#define QUICKI2C_SUBIP_FAST_MODE_MAX_SPEED		400000
+#define QUICKI2C_SUBIP_FASTPLUS_MODE_MAX_SPEED		1000000
+#define QUICKI2C_SUBIP_HIGH_SPEED_MODE_MAX_SPEED	3400000
+
+#define QUICKI2C_DEFAULT_ACTIVE_LTR_VALUE	5
+#define QUICKI2C_DEFAULT_LP_LTR_VALUE		500
+#define QUICKI2C_RPM_TIMEOUT_MS			500
+
+/*
+ * THC uses runtime auto suspend to dynamically switch between THC active LTR
+ * and low power LTR to save CPU power.
+ * Default value is 5000ms, that means if no touch event in this time, THC will
+ * change to low power LTR mode.
+ */
+#define DEFAULT_AUTO_SUSPEND_DELAY_MS			5000
+
+enum quicki2c_dev_state {
+	QUICKI2C_NONE,
+	QUICKI2C_RESETING,
+	QUICKI2C_RESETED,
+	QUICKI2C_INITED,
+	QUICKI2C_ENABLED,
+	QUICKI2C_DISABLED,
+};
+
+enum {
+	HIDI2C_ADDRESSING_MODE_7BIT,
+	HIDI2C_ADDRESSING_MODE_10BIT,
+};
+
+/**
+ * struct quicki2c_subip_acpi_parameter - QuickI2C ACPI DSD parameters
+ * @device_address: I2C device slave address
+ * @connection_speed: I2C device expected connection speed
+ * @addressing_mode: I2C device slave address mode, 7bit or 10bit
+ *
+ * Those properties get from QUICKI2C_ACPI_METHOD_NAME_ICRS method, used for
+ * Bus parameter.
+ */
+struct quicki2c_subip_acpi_parameter {
+	u16 device_address;
+	u64 connection_speed;
+	u8 addressing_mode;
+} __packed;
+
+/**
+ * struct quicki2c_subip_acpi_config - QuickI2C ACPI DSD parameters
+ * @SMHX: Standard Mode (100 kbit/s) Serial Clock Line HIGH Period
+ * @SMLX: Standard Mode (100 kbit/s) Serial Clock Line LOW Period
+ * @SMTD: Standard Mode (100 kbit/s) Serial Data Line Transmit Hold Period
+ * @SMRD: Standard Mode (100 kbit/s) Serial Data Receive Hold Period
+ * @FMHX: Fast Mode (400 kbit/s) Serial Clock Line HIGH Period
+ * @FMLX: Fast Mode (400 kbit/s) Serial Clock Line LOW Period
+ * @FMTD: Fast Mode (400 kbit/s) Serial Data Line Transmit Hold Period
+ * @FMRD: Fast Mode (400 kbit/s) Serial Data Line Receive Hold Period
+ * @FMSL: Maximum length (in ic_clk_cycles) of suppressed spikes
+ *        in Standard Mode, Fast Mode and Fast Mode Plus
+ * @FPHX: Fast Mode Plus (1Mbit/sec) Serial Clock Line HIGH Period
+ * @FPLX: Fast Mode Plus (1Mbit/sec) Serial Clock Line LOW Period
+ * @FPTD: Fast Mode Plus (1Mbit/sec) Serial Data Line Transmit HOLD Period
+ * @FPRD: Fast Mode Plus (1Mbit/sec) Serial Data Line Receive HOLD Period
+ * @HMHX: High Speed Mode Plus (3.4Mbits/sec) Serial Clock Line HIGH Period
+ * @HMLX: High Speed Mode Plus (3.4Mbits/sec) Serial Clock Line LOW Period
+ * @HMTD: High Speed Mode Plus (3.4Mbits/sec) Serial Data Line Transmit HOLD Period
+ * @HMRD: High Speed Mode Plus (3.4Mbits/sec) Serial Data Line Receive HOLD Period
+ * @HMSL: Maximum length (in ic_clk_cycles) of suppressed spikes in High Speed Mode
+ *
+ * Those properties get from QUICKI2C_ACPI_METHOD_NAME_ISUB method, used for
+ * I2C timing configure.
+ */
+struct quicki2c_subip_acpi_config {
+	u64 SMHX;
+	u64 SMLX;
+	u64 SMTD;
+	u64 SMRD;
+
+	u64 FMHX;
+	u64 FMLX;
+	u64 FMTD;
+	u64 FMRD;
+	u64 FMSL;
+
+	u64 FPHX;
+	u64 FPLX;
+	u64 FPTD;
+	u64 FPRD;
+
+	u64 HMHX;
+	u64 HMLX;
+	u64 HMTD;
+	u64 HMRD;
+	u64 HMSL;
+};
+
+struct device;
+struct pci_dev;
+struct thc_device;
+struct hid_device;
+struct acpi_device;
+
+/**
+ * struct quicki2c_device -  THC QuickI2C device struct
+ * @dev: point to kernel device
+ * @pdev: point to PCI device
+ * @thc_hw: point to THC device
+ * @hid_dev: point to hid device
+ * @acpi_dev: point to ACPI device
+ * @driver_data: point to quicki2c specific driver data
+ * @state: THC I2C device state
+ * @mem_addr: MMIO memory address
+ * @dev_desc: device descriptor for HIDI2C protocol
+ * @i2c_slave_addr: HIDI2C device slave address
+ * @hid_desc_addr: Register address for retrieve HID device descriptor
+ * @active_ltr_val: THC active LTR value
+ * @low_power_ltr_val: THC low power LTR value
+ * @i2c_speed_mode: 0 - standard mode, 1 - fast mode, 2 - fast mode plus
+ * @i2c_clock_hcnt: I2C CLK high period time (unit in cycle count)
+ * @i2c_clock_lcnt: I2C CLK low period time (unit in cycle count)
+ * @report_descriptor: store a copy of device report descriptor
+ * @input_buf: store a copy of latest input report data
+ * @report_buf: store a copy of latest input/output report packet from set/get feature
+ * @report_len: the length of input/output report packet
+ * @reset_ack_wq: workqueue for waiting reset response from device
+ * @reset_ack: indicate reset response received or not
+ */
+struct quicki2c_device {
+	struct device *dev;
+	struct pci_dev *pdev;
+	struct thc_device *thc_hw;
+	struct hid_device *hid_dev;
+	struct acpi_device *acpi_dev;
+	enum quicki2c_dev_state state;
+
+	void __iomem *mem_addr;
+
+	struct hidi2c_dev_descriptor dev_desc;
+	u8 i2c_slave_addr;
+	u16 hid_desc_addr;
+
+	u32 active_ltr_val;
+	u32 low_power_ltr_val;
+
+	u32 i2c_speed_mode;
+	u32 i2c_clock_hcnt;
+	u32 i2c_clock_lcnt;
+
+	u8 *report_descriptor;
+	u8 *input_buf;
+	u8 *report_buf;
+	u32 report_len;
+
+	wait_queue_head_t reset_ack_wq;
+	bool reset_ack;
+};
+
+#endif /* _QUICKI2C_DEV_H_ */
diff --git a/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-hid.c b/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-hid.c
new file mode 100644
index 000000000000..5c3ec95bb3fd
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-hid.c
@@ -0,0 +1,166 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2024 Intel Corporation */
+
+#include <linux/hid.h>
+#include <linux/input.h>
+#include <linux/pm_runtime.h>
+
+#include "quicki2c-dev.h"
+#include "quicki2c-hid.h"
+#include "quicki2c-protocol.h"
+
+/**
+ * quicki2c_hid_parse() - HID core parse() callback
+ *
+ * @hid: HID device instance
+ *
+ * This function gets called during call to hid_add_device
+ *
+ * Return: 0 on success and non zero on error.
+ */
+static int quicki2c_hid_parse(struct hid_device *hid)
+{
+	struct quicki2c_device *qcdev = hid->driver_data;
+
+	if (qcdev->report_descriptor)
+		return hid_parse_report(hid, qcdev->report_descriptor,
+					le16_to_cpu(qcdev->dev_desc.report_desc_len));
+
+	dev_err_once(qcdev->dev, "invalid report descriptor\n");
+	return -EINVAL;
+}
+
+static int quicki2c_hid_start(struct hid_device *hid)
+{
+	return 0;
+}
+
+static void quicki2c_hid_stop(struct hid_device *hid)
+{
+}
+
+static int quicki2c_hid_open(struct hid_device *hid)
+{
+	return 0;
+}
+
+static void quicki2c_hid_close(struct hid_device *hid)
+{
+}
+
+static int quicki2c_hid_raw_request(struct hid_device *hid,
+				    unsigned char reportnum,
+				    __u8 *buf, size_t len,
+				    unsigned char rtype, int reqtype)
+{
+	struct quicki2c_device *qcdev = hid->driver_data;
+	int ret = 0;
+
+	ret = pm_runtime_resume_and_get(qcdev->dev);
+	if (ret)
+		return ret;
+
+	switch (reqtype) {
+	case HID_REQ_GET_REPORT:
+		ret = quicki2c_get_report(qcdev, rtype, reportnum, buf, len);
+		break;
+	case HID_REQ_SET_REPORT:
+		ret = quicki2c_set_report(qcdev, rtype, reportnum, buf, len);
+		break;
+	default:
+		dev_err(qcdev->dev, "Not supported request type %d\n", reqtype);
+		break;
+	}
+
+	pm_runtime_mark_last_busy(qcdev->dev);
+	pm_runtime_put_autosuspend(qcdev->dev);
+
+	return ret;
+}
+
+static int quicki2c_hid_power(struct hid_device *hid, int lvl)
+{
+	return 0;
+}
+
+static struct hid_ll_driver quicki2c_hid_ll_driver = {
+	.parse = quicki2c_hid_parse,
+	.start = quicki2c_hid_start,
+	.stop = quicki2c_hid_stop,
+	.open = quicki2c_hid_open,
+	.close = quicki2c_hid_close,
+	.power = quicki2c_hid_power,
+	.raw_request = quicki2c_hid_raw_request,
+};
+
+/**
+ * quicki2c_hid_probe() - Register HID low level driver
+ *
+ * @qcdev: point to quicki2c device
+ *
+ * This function is used to allocate and add HID device.
+ *
+ * Return: 0 on success, non zero on error.
+ */
+int quicki2c_hid_probe(struct quicki2c_device *qcdev)
+{
+	struct hid_device *hid;
+	int ret;
+
+	hid = hid_allocate_device();
+	if (IS_ERR(hid))
+		return PTR_ERR(hid);
+
+	hid->ll_driver = &quicki2c_hid_ll_driver;
+	hid->bus = BUS_PCI;
+	hid->dev.parent = qcdev->dev;
+	hid->driver_data = qcdev;
+	hid->version = le16_to_cpu(qcdev->dev_desc.version_id);
+	hid->vendor = le16_to_cpu(qcdev->dev_desc.vendor_id);
+	hid->product = le16_to_cpu(qcdev->dev_desc.product_id);
+	snprintf(hid->name, sizeof(hid->name), "%s %04X:%04X", "quicki2c-hid",
+		 hid->vendor, hid->product);
+
+	ret = hid_add_device(hid);
+	if (ret) {
+		hid_destroy_device(hid);
+		return ret;
+	}
+
+	qcdev->hid_dev = hid;
+
+	return 0;
+}
+
+/**
+ * quicki2c_hid_remove() - Destroy HID device
+ *
+ * @qcdev: point to quicki2c device
+ *
+ * Return: 0 on success, non zero on error.
+ */
+void quicki2c_hid_remove(struct quicki2c_device *qcdev)
+{
+	hid_destroy_device(qcdev->hid_dev);
+}
+
+/**
+ * quicki2c_hid_send_report() - Send HID input report data to HID core
+ *
+ * @qcdev: point to quicki2c device
+ * @data: point to input report data buffer
+ * @data_len: the length of input report data
+ *
+ * Return: 0 on success, non zero on error.
+ */
+int quicki2c_hid_send_report(struct quicki2c_device *qcdev,
+			     void *data, size_t data_len)
+{
+	int ret;
+
+	ret = hid_input_report(qcdev->hid_dev, HID_INPUT_REPORT, data, data_len, 1);
+	if (ret)
+		dev_err(qcdev->dev, "Failed to send HID input report, ret = %d.\n", ret);
+
+	return ret;
+}
diff --git a/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-hid.h b/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-hid.h
new file mode 100644
index 000000000000..e80df5f339fe
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-hid.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2024 Intel Corporation */
+
+#ifndef _QUICKI2C_HID_H_
+#define _QUICKI2C_HID_H_
+
+struct quicki2c_device;
+
+int quicki2c_hid_send_report(struct quicki2c_device *qcdev,
+			     void *data, size_t data_size);
+int quicki2c_hid_probe(struct quicki2c_device *qcdev);
+void quicki2c_hid_remove(struct quicki2c_device *qcdev);
+
+#endif /* _QUICKI2C_HID_H_ */
diff --git a/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-protocol.c b/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-protocol.c
new file mode 100644
index 000000000000..f493df0d5dc4
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-protocol.c
@@ -0,0 +1,224 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright (c) 2024 Intel Corporation */
+
+#include <linux/bitfield.h>
+#include <linux/hid.h>
+#include <linux/hid-over-i2c.h>
+
+#include "intel-thc-dev.h"
+#include "intel-thc-dma.h"
+
+#include "quicki2c-dev.h"
+#include "quicki2c-hid.h"
+#include "quicki2c-protocol.h"
+
+static int quicki2c_init_write_buf(struct quicki2c_device *qcdev, u32 cmd, int cmd_len,
+				   bool append_data_reg, u8 *data, int data_len,
+				   u8 *write_buf, int write_buf_len)
+{
+	int buf_len, offset = 0;
+
+	buf_len = HIDI2C_REG_LEN + cmd_len;
+
+	if (append_data_reg)
+		buf_len += HIDI2C_REG_LEN;
+
+	if (data && data_len)
+		buf_len += data_len + HIDI2C_LENGTH_LEN;
+
+	if (buf_len > write_buf_len)
+		return -EINVAL;
+
+	memcpy(write_buf, &qcdev->dev_desc.cmd_reg, HIDI2C_REG_LEN);
+	offset += HIDI2C_REG_LEN;
+	memcpy(write_buf + offset, &cmd, cmd_len);
+	offset += cmd_len;
+
+	if (append_data_reg) {
+		memcpy(write_buf + offset, &qcdev->dev_desc.data_reg, HIDI2C_REG_LEN);
+		offset += HIDI2C_REG_LEN;
+	}
+
+	if (data && data_len) {
+		__le16 len = cpu_to_le16(data_len + HIDI2C_LENGTH_LEN);
+
+		memcpy(write_buf + offset, &len, HIDI2C_LENGTH_LEN);
+		offset += HIDI2C_LENGTH_LEN;
+		memcpy(write_buf + offset, data, data_len);
+	}
+
+	return buf_len;
+}
+
+static int quicki2c_encode_cmd(struct quicki2c_device *qcdev, u32 *cmd_buf,
+			       u8 opcode, u8 report_type, u8 report_id)
+{
+	int cmd_len;
+
+	*cmd_buf = FIELD_PREP(HIDI2C_CMD_OPCODE, opcode) |
+		   FIELD_PREP(HIDI2C_CMD_REPORT_TYPE, report_type);
+
+	if (report_id < HIDI2C_CMD_MAX_RI) {
+		*cmd_buf |= FIELD_PREP(HIDI2C_CMD_REPORT_ID, report_id);
+		cmd_len = HIDI2C_CMD_LEN;
+	} else {
+		*cmd_buf |= FIELD_PREP(HIDI2C_CMD_REPORT_ID, HIDI2C_CMD_MAX_RI) |
+			    FIELD_PREP(HIDI2C_CMD_3RD_BYTE, report_id);
+		cmd_len = HIDI2C_CMD_LEN_OPT;
+	}
+
+	return cmd_len;
+}
+
+static int write_cmd_to_txdma(struct quicki2c_device *qcdev, int opcode,
+			      int report_type, int report_id, u8 *buf, int buf_len)
+{
+	size_t write_buf_len;
+	int cmd_len, ret;
+	u32 cmd;
+
+	cmd_len = quicki2c_encode_cmd(qcdev, &cmd, opcode, report_type, report_id);
+
+	ret = quicki2c_init_write_buf(qcdev, cmd, cmd_len, buf ? true : false, buf,
+				      buf_len, qcdev->report_buf, qcdev->report_len);
+	if (ret < 0)
+		return ret;
+
+	write_buf_len = ret;
+
+	return thc_dma_write(qcdev->thc_hw, qcdev->report_buf, write_buf_len);
+}
+
+int quicki2c_set_power(struct quicki2c_device *qcdev, enum hidi2c_power_state power_state)
+{
+	return write_cmd_to_txdma(qcdev, HIDI2C_SET_POWER, HIDI2C_RESERVED, power_state, NULL, 0);
+}
+
+int quicki2c_get_device_descriptor(struct quicki2c_device *qcdev)
+{
+	u32 read_len = 0;
+	int ret;
+
+	ret = thc_tic_pio_write_and_read(qcdev->thc_hw, qcdev->hid_desc_addr,
+					 HIDI2C_REG_LEN, NULL, HIDI2C_DEV_DESC_LEN,
+					 &read_len, (u32 *)&qcdev->dev_desc);
+	if (ret || HIDI2C_DEV_DESC_LEN != read_len) {
+		dev_err_once(qcdev->dev, "Get device descriptor failed, ret %d, read len %u\n",
+			     ret, read_len);
+		return -EIO;
+	}
+
+	if (le16_to_cpu(qcdev->dev_desc.bcd_ver) != HIDI2C_HID_DESC_BCDVERSION)
+		return -EOPNOTSUPP;
+
+	return 0;
+}
+
+int quicki2c_get_report_descriptor(struct quicki2c_device *qcdev)
+{
+	u16 desc_reg = le16_to_cpu(qcdev->dev_desc.report_desc_reg);
+	size_t read_len = le16_to_cpu(qcdev->dev_desc.report_desc_len);
+	u32 prd_len = read_len;
+
+	return thc_swdma_read(qcdev->thc_hw, (u8 *)&desc_reg, HIDI2C_REG_LEN,
+			      &prd_len, qcdev->report_descriptor, &read_len);
+}
+
+int quicki2c_get_report(struct quicki2c_device *qcdev, u8 report_type,
+			unsigned int reportnum, void *buf, u32 buf_len)
+{
+	struct hidi2c_report_packet *rpt;
+	size_t write_buf_len, read_len = 0;
+	int cmd_len, rep_type;
+	u32 cmd;
+	int ret;
+
+	if (report_type == HID_INPUT_REPORT) {
+		rep_type = HIDI2C_INPUT;
+	} else if (report_type == HID_FEATURE_REPORT) {
+		rep_type = HIDI2C_FEATURE;
+	} else {
+		dev_err(qcdev->dev, "Unsupported report type for GET REPORT: %d\n", report_type);
+		return -EINVAL;
+	}
+
+	cmd_len = quicki2c_encode_cmd(qcdev, &cmd, HIDI2C_GET_REPORT, rep_type, reportnum);
+
+	ret = quicki2c_init_write_buf(qcdev, cmd, cmd_len, true, NULL, 0,
+				      qcdev->report_buf, qcdev->report_len);
+	if (ret < 0)
+		return ret;
+
+	write_buf_len = ret;
+
+	rpt = (struct hidi2c_report_packet *)qcdev->input_buf;
+
+	ret = thc_swdma_read(qcdev->thc_hw, qcdev->report_buf, write_buf_len,
+			     NULL, rpt, &read_len);
+	if (ret) {
+		dev_err_once(qcdev->dev, "Get report failed, ret %d, read len (%zu vs %d)\n",
+			     ret, read_len, buf_len);
+		return ret;
+	}
+
+	if (HIDI2C_DATA_LEN(le16_to_cpu(rpt->len)) != buf_len || rpt->data[0] != reportnum) {
+		dev_err_once(qcdev->dev, "Invalid packet, len (%d vs %d) report id (%d vs %d)\n",
+			     le16_to_cpu(rpt->len), buf_len, rpt->data[0], reportnum);
+		return -EINVAL;
+	}
+
+	memcpy(buf, rpt->data, buf_len);
+
+	return buf_len;
+}
+
+int quicki2c_set_report(struct quicki2c_device *qcdev, u8 report_type,
+			unsigned int reportnum, void *buf, u32 buf_len)
+{
+	int rep_type;
+	int ret;
+
+	if (report_type == HID_OUTPUT_REPORT) {
+		rep_type = HIDI2C_OUTPUT;
+	} else if (report_type == HID_FEATURE_REPORT) {
+		rep_type = HIDI2C_FEATURE;
+	} else {
+		dev_err(qcdev->dev, "Unsupported report type for SET REPORT: %d\n", report_type);
+		return -EINVAL;
+	}
+
+	ret = write_cmd_to_txdma(qcdev, HIDI2C_SET_REPORT, rep_type, reportnum, buf, buf_len);
+	if (ret) {
+		dev_err_once(qcdev->dev, "Set Report failed, ret %d\n", ret);
+		return ret;
+	}
+
+	return buf_len;
+}
+
+#define HIDI2C_RESET_TIMEOUT		5
+
+int quicki2c_reset(struct quicki2c_device *qcdev)
+{
+	int ret;
+
+	qcdev->reset_ack = false;
+	qcdev->state = QUICKI2C_RESETING;
+
+	ret = write_cmd_to_txdma(qcdev, HIDI2C_RESET, HIDI2C_RESERVED, 0, NULL, 0);
+	if (ret) {
+		dev_err_once(qcdev->dev, "Send reset command failed, ret %d\n", ret);
+		return ret;
+	}
+
+	ret = wait_event_interruptible_timeout(qcdev->reset_ack_wq, qcdev->reset_ack,
+					       HIDI2C_RESET_TIMEOUT * HZ);
+	if (ret <= 0 || !qcdev->reset_ack) {
+		dev_err_once(qcdev->dev,
+			     "Wait reset response timed out ret:%d timeout:%ds\n",
+			     ret, HIDI2C_RESET_TIMEOUT);
+		return -ETIMEDOUT;
+	}
+
+	return 0;
+}
diff --git a/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-protocol.h b/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-protocol.h
new file mode 100644
index 000000000000..bf4908cce59c
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-protocol.h
@@ -0,0 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2024 Intel Corporation */
+
+#ifndef _QUICKI2C_PROTOCOL_H_
+#define _QUICKI2C_PROTOCOL_H_
+
+#include <linux/hid-over-i2c.h>
+
+struct quicki2c_device;
+
+int quicki2c_set_power(struct quicki2c_device *qcdev, enum hidi2c_power_state power_state);
+int quicki2c_get_report(struct quicki2c_device *qcdev, u8 report_type,
+			unsigned int reportnum, void *buf, u32 buf_len);
+int quicki2c_set_report(struct quicki2c_device *qcdev, u8 report_type,
+			unsigned int reportnum, void *buf, u32 buf_len);
+int quicki2c_get_device_descriptor(struct quicki2c_device *qcdev);
+int quicki2c_get_report_descriptor(struct quicki2c_device *qcdev);
+int quicki2c_reset(struct quicki2c_device *qcdev);
+
+#endif /* _QUICKI2C_PROTOCOL_H_ */
diff --git a/drivers/hid/intel-thc-hid/intel-quickspi/pci-quickspi.c b/drivers/hid/intel-thc-hid/intel-quickspi/pci-quickspi.c
new file mode 100644
index 000000000000..4641e818dfa4
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/intel-quickspi/pci-quickspi.c
@@ -0,0 +1,987 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2024 Intel Corporation */
+
+#include <linux/acpi.h>
+#include <linux/bitfield.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <linux/err.h>
+#include <linux/interrupt.h>
+#include <linux/irqreturn.h>
+#include <linux/pci.h>
+#include <linux/pm_runtime.h>
+
+#include "intel-thc-dev.h"
+#include "intel-thc-hw.h"
+
+#include "quickspi-dev.h"
+#include "quickspi-hid.h"
+#include "quickspi-protocol.h"
+
+struct quickspi_driver_data mtl = {
+	.max_packet_size_value = MAX_PACKET_SIZE_VALUE_MTL,
+};
+
+struct quickspi_driver_data lnl = {
+	.max_packet_size_value = MAX_PACKET_SIZE_VALUE_LNL,
+};
+
+struct quickspi_driver_data ptl = {
+	.max_packet_size_value = MAX_PACKET_SIZE_VALUE_LNL,
+};
+
+/* THC QuickSPI ACPI method to get device properties */
+/* HIDSPI Method: {6e2ac436-0fcf-41af-a265-b32a220dcfab} */
+static guid_t hidspi_guid =
+	GUID_INIT(0x6e2ac436, 0x0fcf, 0x41af, 0xa2, 0x65, 0xb3, 0x2a,
+		  0x22, 0x0d, 0xcf, 0xab);
+
+/* QuickSpi Method: {300D35b7-ac20-413e-8e9c-92e4dafd0afe} */
+static guid_t thc_quickspi_guid =
+	GUID_INIT(0x300d35b7, 0xac20, 0x413e, 0x8e, 0x9c, 0x92, 0xe4,
+		  0xda, 0xfd, 0x0a, 0xfe);
+
+/* Platform Method: {84005682-5b71-41a4-0x8d668130f787a138} */
+static guid_t thc_platform_guid =
+	GUID_INIT(0x84005682, 0x5b71, 0x41a4, 0x8d, 0x66, 0x81, 0x30,
+		  0xf7, 0x87, 0xa1, 0x38);
+
+/**
+ * thc_acpi_get_property - Query device ACPI parameter
+ *
+ * @adev: point to ACPI device
+ * @guid: ACPI method's guid
+ * @rev: ACPI method's revision
+ * @func: ACPI method's function number
+ * @type: ACPI parameter's data type
+ * @prop_buf: point to return buffer
+ *
+ * This is a helper function for device to query its ACPI parameters.
+ *
+ * Return: 0 if successful or ENODEV on failed.
+ */
+static int thc_acpi_get_property(struct acpi_device *adev, const guid_t *guid,
+				 u64 rev, u64 func, acpi_object_type type, void *prop_buf)
+{
+	acpi_handle handle = acpi_device_handle(adev);
+	union acpi_object *obj;
+
+	obj = acpi_evaluate_dsm_typed(handle, guid, rev, func, NULL, type);
+	if (!obj) {
+		acpi_handle_err(handle,
+				"Error _DSM call failed, rev: %llu, func: %llu, type: %u\n",
+				rev, func, type);
+		return -ENODEV;
+	}
+
+	if (type == ACPI_TYPE_INTEGER)
+		*(u32 *)prop_buf = (u32)obj->integer.value;
+	else if (type == ACPI_TYPE_BUFFER)
+		memcpy(prop_buf, obj->buffer.pointer, obj->buffer.length);
+
+	ACPI_FREE(obj);
+
+	return 0;
+}
+
+/**
+ * quickspi_get_acpi_resources - Query all quickspi devices' ACPI parameters
+ *
+ * @qsdev: point to quickspi device
+ *
+ * This function gets all quickspi devices' ACPI resource.
+ *
+ * Return: 0 if successful or error code on failed.
+ */
+static int quickspi_get_acpi_resources(struct quickspi_device *qsdev)
+{
+	struct acpi_device *adev = ACPI_COMPANION(qsdev->dev);
+	int ret = -EINVAL;
+
+	if (!adev) {
+		dev_err(qsdev->dev, "no valid ACPI companion\n");
+		return ret;
+	}
+
+	qsdev->acpi_dev = adev;
+
+	ret = thc_acpi_get_property(adev, &hidspi_guid,
+				    ACPI_QUICKSPI_REVISION_NUM,
+				    ACPI_QUICKSPI_FUNC_NUM_INPUT_REP_HDR_ADDR,
+				    ACPI_TYPE_INTEGER,
+				    &qsdev->input_report_hdr_addr);
+	if (ret)
+		return ret;
+
+	ret = thc_acpi_get_property(adev, &hidspi_guid,
+				    ACPI_QUICKSPI_REVISION_NUM,
+				    ACPI_QUICKSPI_FUNC_NUM_INPUT_REP_BDY_ADDR,
+				    ACPI_TYPE_INTEGER,
+				    &qsdev->input_report_bdy_addr);
+	if (ret)
+		return ret;
+
+	ret = thc_acpi_get_property(adev, &hidspi_guid,
+				    ACPI_QUICKSPI_REVISION_NUM,
+				    ACPI_QUICKSPI_FUNC_NUM_OUTPUT_REP_ADDR,
+				    ACPI_TYPE_INTEGER,
+				    &qsdev->output_report_addr);
+	if (ret)
+		return ret;
+
+	ret = thc_acpi_get_property(adev, &hidspi_guid,
+				    ACPI_QUICKSPI_REVISION_NUM,
+				    ACPI_QUICKSPI_FUNC_NUM_READ_OPCODE,
+				    ACPI_TYPE_BUFFER,
+				    &qsdev->spi_read_opcode);
+	if (ret)
+		return ret;
+
+	ret = thc_acpi_get_property(adev, &hidspi_guid,
+				    ACPI_QUICKSPI_REVISION_NUM,
+				    ACPI_QUICKSPI_FUNC_NUM_WRITE_OPCODE,
+				    ACPI_TYPE_BUFFER,
+				    &qsdev->spi_write_opcode);
+	if (ret)
+		return ret;
+
+	ret = thc_acpi_get_property(adev, &hidspi_guid,
+				    ACPI_QUICKSPI_REVISION_NUM,
+				    ACPI_QUICKSPI_FUNC_NUM_IO_MODE,
+				    ACPI_TYPE_INTEGER,
+				    &qsdev->spi_read_io_mode);
+	if (ret)
+		return ret;
+
+	if (qsdev->spi_read_io_mode & SPI_WRITE_IO_MODE)
+		qsdev->spi_write_io_mode = FIELD_GET(SPI_IO_MODE_OPCODE, qsdev->spi_read_io_mode);
+	else
+		qsdev->spi_write_io_mode = THC_SINGLE_IO;
+
+	qsdev->spi_read_io_mode = FIELD_GET(SPI_IO_MODE_OPCODE, qsdev->spi_read_io_mode);
+
+	ret = thc_acpi_get_property(adev, &thc_quickspi_guid,
+				    ACPI_QUICKSPI_REVISION_NUM,
+				    ACPI_QUICKSPI_FUNC_NUM_CONNECTION_SPEED,
+				    ACPI_TYPE_INTEGER,
+				    &qsdev->spi_freq_val);
+	if (ret)
+		return ret;
+
+	ret = thc_acpi_get_property(adev, &thc_quickspi_guid,
+				    ACPI_QUICKSPI_REVISION_NUM,
+				    ACPI_QUICKSPI_FUNC_NUM_LIMIT_PACKET_SIZE,
+				    ACPI_TYPE_INTEGER,
+				    &qsdev->limit_packet_size);
+	if (ret)
+		return ret;
+
+	if (qsdev->limit_packet_size || !qsdev->driver_data)
+		qsdev->spi_packet_size = DEFAULT_MIN_PACKET_SIZE_VALUE;
+	else
+		qsdev->spi_packet_size = qsdev->driver_data->max_packet_size_value;
+
+	ret = thc_acpi_get_property(adev, &thc_quickspi_guid,
+				    ACPI_QUICKSPI_REVISION_NUM,
+				    ACPI_QUICKSPI_FUNC_NUM_PERFORMANCE_LIMIT,
+				    ACPI_TYPE_INTEGER,
+				    &qsdev->performance_limit);
+	if (ret)
+		return ret;
+
+	qsdev->performance_limit = FIELD_GET(PERFORMANCE_LIMITATION, qsdev->performance_limit);
+
+	ret = thc_acpi_get_property(adev, &thc_platform_guid,
+				    ACPI_QUICKSPI_REVISION_NUM,
+				    ACPI_QUICKSPI_FUNC_NUM_ACTIVE_LTR,
+				    ACPI_TYPE_INTEGER,
+				    &qsdev->active_ltr_val);
+	if (ret)
+		return ret;
+
+	ret = thc_acpi_get_property(adev, &thc_platform_guid,
+				    ACPI_QUICKSPI_REVISION_NUM,
+				    ACPI_QUICKSPI_FUNC_NUM_LP_LTR,
+				    ACPI_TYPE_INTEGER,
+				    &qsdev->low_power_ltr_val);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+/**
+ * quickspi_irq_quick_handler - The ISR of the quickspi driver
+ *
+ * @irq: The irq number
+ * @dev_id: pointer to the device structure
+ *
+ * Return: IRQ_WAKE_THREAD if further process needed.
+ */
+static irqreturn_t quickspi_irq_quick_handler(int irq, void *dev_id)
+{
+	struct quickspi_device *qsdev = dev_id;
+
+	if (qsdev->state == QUICKSPI_DISABLED)
+		return IRQ_HANDLED;
+
+	/* Disable THC interrupt before current interrupt be handled */
+	thc_interrupt_enable(qsdev->thc_hw, false);
+
+	return IRQ_WAKE_THREAD;
+}
+
+/**
+ * try_recover - Try to recovery THC and Device
+ * @qsdev: pointer to quickspi device
+ *
+ * This function is a error handler, called when fatal error happens.
+ * It try to reset Touch Device and re-configure THC to recovery
+ * transferring between Device and THC.
+ *
+ * Return: 0 if successful or error code on failed.
+ */
+static int try_recover(struct quickspi_device *qsdev)
+{
+	int ret;
+
+	ret = reset_tic(qsdev);
+	if (ret) {
+		dev_err(qsdev->dev, "Reset touch device failed, ret = %d\n", ret);
+		return ret;
+	}
+
+	thc_dma_unconfigure(qsdev->thc_hw);
+
+	ret = thc_dma_configure(qsdev->thc_hw);
+	if (ret) {
+		dev_err(qsdev->dev, "Re-configure THC DMA failed, ret = %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+/**
+ * quickspi_irq_thread_handler - IRQ thread handler of quickspi driver
+ *
+ * @irq: The IRQ number
+ * @dev_id: pointer to the quickspi device structure
+ *
+ * Return: IRQ_HANDLED to finish this handler.
+ */
+static irqreturn_t quickspi_irq_thread_handler(int irq, void *dev_id)
+{
+	struct quickspi_device *qsdev = dev_id;
+	size_t input_len;
+	int read_finished = 0;
+	int err_recover = 0;
+	int int_mask;
+	int ret;
+
+	if (qsdev->state == QUICKSPI_DISABLED)
+		return IRQ_HANDLED;
+
+	ret = pm_runtime_resume_and_get(qsdev->dev);
+	if (ret)
+		return IRQ_HANDLED;
+
+	int_mask = thc_interrupt_handler(qsdev->thc_hw);
+
+	if (int_mask & BIT(THC_FATAL_ERR_INT) || int_mask & BIT(THC_TXN_ERR_INT)) {
+		err_recover = 1;
+		goto end;
+	}
+
+	if (int_mask & BIT(THC_NONDMA_INT)) {
+		if (qsdev->state == QUICKSPI_RESETING) {
+			qsdev->reset_ack = true;
+			wake_up_interruptible(&qsdev->reset_ack_wq);
+		} else {
+			qsdev->nondma_int_received = true;
+			wake_up_interruptible(&qsdev->nondma_int_received_wq);
+		}
+	}
+
+	if (int_mask & BIT(THC_RXDMA2_INT)) {
+		while (!read_finished) {
+			ret = thc_rxdma_read(qsdev->thc_hw, THC_RXDMA2, qsdev->input_buf,
+					     &input_len, &read_finished);
+			if (ret) {
+				err_recover = 1;
+				goto end;
+			}
+
+			quickspi_handle_input_data(qsdev, input_len);
+		}
+	}
+
+end:
+	thc_interrupt_enable(qsdev->thc_hw, true);
+
+	if (err_recover)
+		if (try_recover(qsdev))
+			qsdev->state = QUICKSPI_DISABLED;
+
+	pm_runtime_mark_last_busy(qsdev->dev);
+	pm_runtime_put_autosuspend(qsdev->dev);
+
+	return IRQ_HANDLED;
+}
+
+/**
+ * quickspi_dev_init - Initialize quickspi device
+ *
+ * @pdev: pointer to the thc pci device
+ * @mem_addr: The pointer of MMIO memory address
+ * @id: point to pci_device_id structure
+ *
+ * Alloc quickspi device structure and initialized THC device,
+ * then configure THC to HIDSPI mode.
+ *
+ * If success, enable THC hardware interrupt.
+ *
+ * Return: pointer to the quickspi device structure if success
+ * or NULL on failed.
+ */
+static struct quickspi_device *quickspi_dev_init(struct pci_dev *pdev, void __iomem *mem_addr,
+						 const struct pci_device_id *id)
+{
+	struct device *dev = &pdev->dev;
+	struct quickspi_device *qsdev;
+	int ret;
+
+	qsdev = devm_kzalloc(dev, sizeof(struct quickspi_device), GFP_KERNEL);
+	if (!qsdev)
+		return ERR_PTR(-ENOMEM);
+
+	qsdev->pdev = pdev;
+	qsdev->dev = dev;
+	qsdev->mem_addr = mem_addr;
+	qsdev->state = QUICKSPI_DISABLED;
+	qsdev->driver_data = (struct quickspi_driver_data *)id->driver_data;
+
+	init_waitqueue_head(&qsdev->reset_ack_wq);
+	init_waitqueue_head(&qsdev->nondma_int_received_wq);
+	init_waitqueue_head(&qsdev->report_desc_got_wq);
+	init_waitqueue_head(&qsdev->get_report_cmpl_wq);
+	init_waitqueue_head(&qsdev->set_report_cmpl_wq);
+
+	/* thc hw init */
+	qsdev->thc_hw = thc_dev_init(qsdev->dev, qsdev->mem_addr);
+	if (IS_ERR(qsdev->thc_hw)) {
+		ret = PTR_ERR(qsdev->thc_hw);
+		dev_err(dev, "Failed to initialize THC device context, ret = %d.\n", ret);
+		return ERR_PTR(ret);
+	}
+
+	ret = thc_interrupt_quiesce(qsdev->thc_hw, true);
+	if (ret)
+		return ERR_PTR(ret);
+
+	ret = thc_port_select(qsdev->thc_hw, THC_PORT_TYPE_SPI);
+	if (ret) {
+		dev_err(dev, "Failed to select THC port, ret = %d.\n", ret);
+		return ERR_PTR(ret);
+	}
+
+	ret = quickspi_get_acpi_resources(qsdev);
+	if (ret) {
+		dev_err(dev, "Get ACPI resources failed, ret = %d\n", ret);
+		return ERR_PTR(ret);
+	}
+
+	/* THC config for input/output address */
+	thc_spi_input_output_address_config(qsdev->thc_hw,
+					    qsdev->input_report_hdr_addr,
+					    qsdev->input_report_bdy_addr,
+					    qsdev->output_report_addr);
+
+	/* THC config for spi read operation */
+	ret = thc_spi_read_config(qsdev->thc_hw, qsdev->spi_freq_val,
+				  qsdev->spi_read_io_mode,
+				  qsdev->spi_read_opcode,
+				  qsdev->spi_packet_size);
+	if (ret) {
+		dev_err(dev, "thc_spi_read_config failed, ret = %d\n", ret);
+		return ERR_PTR(ret);
+	}
+
+	/* THC config for spi write operation */
+	ret = thc_spi_write_config(qsdev->thc_hw, qsdev->spi_freq_val,
+				   qsdev->spi_write_io_mode,
+				   qsdev->spi_write_opcode,
+				   qsdev->spi_packet_size,
+				   qsdev->performance_limit);
+	if (ret) {
+		dev_err(dev, "thc_spi_write_config failed, ret = %d\n", ret);
+		return ERR_PTR(ret);
+	}
+
+	thc_ltr_config(qsdev->thc_hw,
+		       qsdev->active_ltr_val,
+		       qsdev->low_power_ltr_val);
+
+	thc_interrupt_config(qsdev->thc_hw);
+
+	thc_interrupt_enable(qsdev->thc_hw, true);
+
+	qsdev->state = QUICKSPI_INITED;
+
+	return qsdev;
+}
+
+/**
+ * quickspi_dev_deinit - De-initialize quickspi device
+ *
+ * @qsdev: pointer to the quickspi device structure
+ *
+ * Disable THC interrupt and deinitilize THC.
+ */
+static void quickspi_dev_deinit(struct quickspi_device *qsdev)
+{
+	thc_interrupt_enable(qsdev->thc_hw, false);
+	thc_ltr_unconfig(qsdev->thc_hw);
+
+	qsdev->state = QUICKSPI_DISABLED;
+}
+
+/**
+ * quickspi_dma_init - Configure THC DMA for quickspi device
+ * @qsdev: pointer to the quickspi device structure
+ *
+ * This function uses TIC's parameters(such as max input length, max output
+ * length) to allocate THC DMA buffers and configure THC DMA engines.
+ *
+ * Return: 0 if successful or error code on failed.
+ */
+static int quickspi_dma_init(struct quickspi_device *qsdev)
+{
+	int ret;
+
+	ret = thc_dma_set_max_packet_sizes(qsdev->thc_hw, 0,
+					   le16_to_cpu(qsdev->dev_desc.max_input_len),
+					   le16_to_cpu(qsdev->dev_desc.max_output_len),
+					   0);
+	if (ret)
+		return ret;
+
+	ret = thc_dma_allocate(qsdev->thc_hw);
+	if (ret) {
+		dev_err(qsdev->dev, "Allocate THC DMA buffer failed, ret = %d\n", ret);
+		return ret;
+	}
+
+	/* Enable RxDMA */
+	ret = thc_dma_configure(qsdev->thc_hw);
+	if (ret) {
+		dev_err(qsdev->dev, "Configure THC DMA failed, ret = %d\n", ret);
+		thc_dma_unconfigure(qsdev->thc_hw);
+		thc_dma_release(qsdev->thc_hw);
+		return ret;
+	}
+
+	return ret;
+}
+
+/**
+ * quickspi_dma_deinit - Release THC DMA for quickspi device
+ * @qsdev: pointer to the quickspi device structure
+ *
+ * Stop THC DMA engines and release all DMA buffers.
+ *
+ */
+static void quickspi_dma_deinit(struct quickspi_device *qsdev)
+{
+	thc_dma_unconfigure(qsdev->thc_hw);
+	thc_dma_release(qsdev->thc_hw);
+}
+
+/**
+ * quickspi_alloc_report_buf - Alloc report buffers
+ * @qsdev: pointer to the quickspi device structure
+ *
+ * Allocate report descriptor buffer, it will be used for restore TIC HID
+ * report descriptor.
+ *
+ * Allocate input report buffer, it will be used for receive HID input report
+ * data from TIC.
+ *
+ * Allocate output report buffer, it will be used for store HID output report,
+ * such as set feature.
+ *
+ * Return: 0 if successful or error code on failed.
+ */
+static int quickspi_alloc_report_buf(struct quickspi_device *qsdev)
+{
+	size_t max_report_len;
+	size_t max_input_len;
+
+	qsdev->report_descriptor = devm_kzalloc(qsdev->dev,
+						le16_to_cpu(qsdev->dev_desc.rep_desc_len),
+						GFP_KERNEL);
+	if (!qsdev->report_descriptor)
+		return -ENOMEM;
+
+	max_input_len = max(le16_to_cpu(qsdev->dev_desc.rep_desc_len),
+			    le16_to_cpu(qsdev->dev_desc.max_input_len));
+
+	qsdev->input_buf = devm_kzalloc(qsdev->dev, max_input_len, GFP_KERNEL);
+	if (!qsdev->input_buf)
+		return -ENOMEM;
+
+	max_report_len = max(le16_to_cpu(qsdev->dev_desc.max_output_len),
+			     le16_to_cpu(qsdev->dev_desc.max_input_len));
+
+	qsdev->report_buf = devm_kzalloc(qsdev->dev, max_report_len, GFP_KERNEL);
+	if (!qsdev->report_buf)
+		return -ENOMEM;
+
+	return 0;
+}
+
+/*
+ * quickspi_probe: Quickspi driver probe function
+ *
+ * @pdev: point to pci device
+ * @id: point to pci_device_id structure
+ *
+ * This function initializes THC and HIDSPI device, the flow is:
+ * - do THC pci device initialization
+ * - query HIDSPI ACPI parameters
+ * - configure THC to HIDSPI mode
+ * - go through HIDSPI enumeration flow
+ *   |- reset HIDSPI device
+ *   |- read device descriptor
+ * - enable THC interrupt and DMA
+ * - read report descriptor
+ * - register HID device
+ * - enable runtime power management
+ *
+ * Return 0 if success or error code on failure.
+ */
+static int quickspi_probe(struct pci_dev *pdev,
+			  const struct pci_device_id *id)
+{
+	struct quickspi_device *qsdev;
+	void __iomem *mem_addr;
+	int ret;
+
+	ret = pcim_enable_device(pdev);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to enable PCI device, ret = %d.\n", ret);
+		return ret;
+	}
+
+	pci_set_master(pdev);
+
+	ret = pcim_iomap_regions(pdev, BIT(0), KBUILD_MODNAME);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to get PCI regions, ret = %d.\n", ret);
+		goto disable_pci_device;
+	}
+
+	mem_addr = pcim_iomap_table(pdev)[0];
+
+	ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
+	if (ret) {
+		ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
+		if (ret) {
+			dev_err(&pdev->dev, "No usable DMA configuration %d\n", ret);
+			goto unmap_io_region;
+		}
+	}
+
+	ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
+	if (ret < 0) {
+		dev_err(&pdev->dev,
+			"Failed to allocate IRQ vectors. ret = %d\n", ret);
+		goto unmap_io_region;
+	}
+
+	pdev->irq = pci_irq_vector(pdev, 0);
+
+	qsdev = quickspi_dev_init(pdev, mem_addr, id);
+	if (IS_ERR(qsdev)) {
+		dev_err(&pdev->dev, "QuickSPI device init failed\n");
+		ret = PTR_ERR(qsdev);
+		goto unmap_io_region;
+	}
+
+	pci_set_drvdata(pdev, qsdev);
+
+	ret = devm_request_threaded_irq(&pdev->dev, pdev->irq,
+					quickspi_irq_quick_handler,
+					quickspi_irq_thread_handler,
+					IRQF_ONESHOT, KBUILD_MODNAME,
+					qsdev);
+	if (ret) {
+		dev_err(&pdev->dev,
+			"Failed to request threaded IRQ, irq = %d.\n", pdev->irq);
+		goto dev_deinit;
+	}
+
+	ret = reset_tic(qsdev);
+	if (ret) {
+		dev_err(&pdev->dev, "Reset Touch Device failed, ret = %d\n", ret);
+		goto dev_deinit;
+	}
+
+	ret = quickspi_alloc_report_buf(qsdev);
+	if (ret) {
+		dev_err(&pdev->dev, "Alloc report buffers failed, ret= %d\n", ret);
+		goto dev_deinit;
+	}
+
+	ret = quickspi_dma_init(qsdev);
+	if (ret) {
+		dev_err(&pdev->dev, "Setup THC DMA failed, ret= %d\n", ret);
+		goto dev_deinit;
+	}
+
+	ret = quickspi_get_report_descriptor(qsdev);
+	if (ret) {
+		dev_err(&pdev->dev, "Get report descriptor failed, ret = %d\n", ret);
+		goto dma_deinit;
+	}
+
+	ret = quickspi_hid_probe(qsdev);
+	if (ret) {
+		dev_err(&pdev->dev, "Failed to register HID device, ret = %d\n", ret);
+		goto dma_deinit;
+	}
+
+	qsdev->state = QUICKSPI_ENABLED;
+
+	/* Enable runtime power management */
+	pm_runtime_use_autosuspend(qsdev->dev);
+	pm_runtime_set_autosuspend_delay(qsdev->dev, DEFAULT_AUTO_SUSPEND_DELAY_MS);
+	pm_runtime_mark_last_busy(qsdev->dev);
+	pm_runtime_put_noidle(qsdev->dev);
+	pm_runtime_put_autosuspend(qsdev->dev);
+
+	dev_dbg(&pdev->dev, "QuickSPI probe success\n");
+
+	return 0;
+
+dma_deinit:
+	quickspi_dma_deinit(qsdev);
+dev_deinit:
+	quickspi_dev_deinit(qsdev);
+unmap_io_region:
+	pcim_iounmap_regions(pdev, BIT(0));
+disable_pci_device:
+	pci_clear_master(pdev);
+
+	return ret;
+}
+
+/**
+ * quickspi_remove - Device Removal Routine
+ *
+ * @pdev: PCI device structure
+ *
+ * This is called by the PCI subsystem to alert the driver
+ * that it should release a PCI device.
+ */
+static void quickspi_remove(struct pci_dev *pdev)
+{
+	struct quickspi_device *qsdev;
+
+	qsdev = pci_get_drvdata(pdev);
+	if (!qsdev)
+		return;
+
+	quickspi_hid_remove(qsdev);
+	quickspi_dma_deinit(qsdev);
+
+	pm_runtime_get_noresume(qsdev->dev);
+
+	quickspi_dev_deinit(qsdev);
+
+	pcim_iounmap_regions(pdev, BIT(0));
+	pci_clear_master(pdev);
+}
+
+/**
+ * quickspi_shutdown - Device Shutdown Routine
+ *
+ * @pdev: PCI device structure
+ *
+ * This is called from the reboot notifier
+ * it's a simplified version of remove so we go down
+ * faster.
+ */
+static void quickspi_shutdown(struct pci_dev *pdev)
+{
+	struct quickspi_device *qsdev;
+
+	qsdev = pci_get_drvdata(pdev);
+	if (!qsdev)
+		return;
+
+	/* Must stop DMA before reboot to avoid DMA entering into unknown state */
+	quickspi_dma_deinit(qsdev);
+
+	quickspi_dev_deinit(qsdev);
+}
+
+static int quickspi_suspend(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct quickspi_device *qsdev;
+	int ret;
+
+	qsdev = pci_get_drvdata(pdev);
+	if (!qsdev)
+		return -ENODEV;
+
+	ret = quickspi_set_power(qsdev, HIDSPI_SLEEP);
+	if (ret)
+		return ret;
+
+	ret = thc_interrupt_quiesce(qsdev->thc_hw, true);
+	if (ret)
+		return ret;
+
+	thc_interrupt_enable(qsdev->thc_hw, false);
+
+	thc_dma_unconfigure(qsdev->thc_hw);
+
+	return 0;
+}
+
+static int quickspi_resume(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct quickspi_device *qsdev;
+	int ret;
+
+	qsdev = pci_get_drvdata(pdev);
+	if (!qsdev)
+		return -ENODEV;
+
+	ret = thc_port_select(qsdev->thc_hw, THC_PORT_TYPE_SPI);
+	if (ret)
+		return ret;
+
+	thc_interrupt_config(qsdev->thc_hw);
+
+	thc_interrupt_enable(qsdev->thc_hw, true);
+
+	ret = thc_dma_configure(qsdev->thc_hw);
+	if (ret)
+		return ret;
+
+	ret = thc_interrupt_quiesce(qsdev->thc_hw, false);
+	if (ret)
+		return ret;
+
+	ret = quickspi_set_power(qsdev, HIDSPI_ON);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int quickspi_freeze(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct quickspi_device *qsdev;
+	int ret;
+
+	qsdev = pci_get_drvdata(pdev);
+	if (!qsdev)
+		return -ENODEV;
+
+	ret = thc_interrupt_quiesce(qsdev->thc_hw, true);
+	if (ret)
+		return ret;
+
+	thc_interrupt_enable(qsdev->thc_hw, false);
+
+	thc_dma_unconfigure(qsdev->thc_hw);
+
+	return 0;
+}
+
+static int quickspi_thaw(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct quickspi_device *qsdev;
+	int ret;
+
+	qsdev = pci_get_drvdata(pdev);
+	if (!qsdev)
+		return -ENODEV;
+
+	ret = thc_dma_configure(qsdev->thc_hw);
+	if (ret)
+		return ret;
+
+	thc_interrupt_enable(qsdev->thc_hw, true);
+
+	ret = thc_interrupt_quiesce(qsdev->thc_hw, false);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+static int quickspi_poweroff(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct quickspi_device *qsdev;
+	int ret;
+
+	qsdev = pci_get_drvdata(pdev);
+	if (!qsdev)
+		return -ENODEV;
+
+	ret = thc_interrupt_quiesce(qsdev->thc_hw, true);
+	if (ret)
+		return ret;
+
+	thc_interrupt_enable(qsdev->thc_hw, false);
+
+	thc_ltr_unconfig(qsdev->thc_hw);
+
+	quickspi_dma_deinit(qsdev);
+
+	return 0;
+}
+
+static int quickspi_restore(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct quickspi_device *qsdev;
+	int ret;
+
+	qsdev = pci_get_drvdata(pdev);
+	if (!qsdev)
+		return -ENODEV;
+
+	ret = thc_interrupt_quiesce(qsdev->thc_hw, true);
+	if (ret)
+		return ret;
+
+	/* Reconfig THC HW when back from hibernate */
+	ret = thc_port_select(qsdev->thc_hw, THC_PORT_TYPE_SPI);
+	if (ret)
+		return ret;
+
+	thc_spi_input_output_address_config(qsdev->thc_hw,
+					    qsdev->input_report_hdr_addr,
+					    qsdev->input_report_bdy_addr,
+					    qsdev->output_report_addr);
+
+	ret = thc_spi_read_config(qsdev->thc_hw, qsdev->spi_freq_val,
+				  qsdev->spi_read_io_mode,
+				  qsdev->spi_read_opcode,
+				  qsdev->spi_packet_size);
+	if (ret)
+		return ret;
+
+	ret = thc_spi_write_config(qsdev->thc_hw, qsdev->spi_freq_val,
+				   qsdev->spi_write_io_mode,
+				   qsdev->spi_write_opcode,
+				   qsdev->spi_packet_size,
+				   qsdev->performance_limit);
+	if (ret)
+		return ret;
+
+	thc_interrupt_config(qsdev->thc_hw);
+
+	thc_interrupt_enable(qsdev->thc_hw, true);
+
+	/* TIC may lose power, needs go through reset flow */
+	ret = reset_tic(qsdev);
+	if (ret)
+		return ret;
+
+	ret = thc_dma_configure(qsdev->thc_hw);
+	if (ret)
+		return ret;
+
+	thc_ltr_config(qsdev->thc_hw,
+		       qsdev->active_ltr_val,
+		       qsdev->low_power_ltr_val);
+
+	thc_change_ltr_mode(qsdev->thc_hw, THC_LTR_MODE_ACTIVE);
+
+	return 0;
+}
+
+static int quickspi_runtime_suspend(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct quickspi_device *qsdev;
+
+	qsdev = pci_get_drvdata(pdev);
+	if (!qsdev)
+		return -ENODEV;
+
+	thc_change_ltr_mode(qsdev->thc_hw, THC_LTR_MODE_LP);
+
+	pci_save_state(pdev);
+
+	return 0;
+}
+
+static int quickspi_runtime_resume(struct device *device)
+{
+	struct pci_dev *pdev = to_pci_dev(device);
+	struct quickspi_device *qsdev;
+
+	qsdev = pci_get_drvdata(pdev);
+	if (!qsdev)
+		return -ENODEV;
+
+	thc_change_ltr_mode(qsdev->thc_hw, THC_LTR_MODE_ACTIVE);
+
+	return 0;
+}
+
+static const struct dev_pm_ops quickspi_pm_ops = {
+	.suspend = quickspi_suspend,
+	.resume = quickspi_resume,
+	.freeze = quickspi_freeze,
+	.thaw = quickspi_thaw,
+	.poweroff = quickspi_poweroff,
+	.restore = quickspi_restore,
+	.runtime_suspend = quickspi_runtime_suspend,
+	.runtime_resume = quickspi_runtime_resume,
+	.runtime_idle = NULL,
+};
+
+static const struct pci_device_id quickspi_pci_tbl[] = {
+	{PCI_DEVICE_DATA(INTEL, THC_MTL_DEVICE_ID_SPI_PORT1, &mtl), },
+	{PCI_DEVICE_DATA(INTEL, THC_MTL_DEVICE_ID_SPI_PORT2, &mtl), },
+	{PCI_DEVICE_DATA(INTEL, THC_LNL_DEVICE_ID_SPI_PORT1, &lnl), },
+	{PCI_DEVICE_DATA(INTEL, THC_LNL_DEVICE_ID_SPI_PORT2, &lnl), },
+	{PCI_DEVICE_DATA(INTEL, THC_PTL_H_DEVICE_ID_SPI_PORT1, &ptl), },
+	{PCI_DEVICE_DATA(INTEL, THC_PTL_H_DEVICE_ID_SPI_PORT2, &ptl), },
+	{PCI_DEVICE_DATA(INTEL, THC_PTL_U_DEVICE_ID_SPI_PORT1, &ptl), },
+	{PCI_DEVICE_DATA(INTEL, THC_PTL_U_DEVICE_ID_SPI_PORT2, &ptl), },
+	{}
+};
+MODULE_DEVICE_TABLE(pci, quickspi_pci_tbl);
+
+static struct pci_driver quickspi_driver = {
+	.name = KBUILD_MODNAME,
+	.id_table = quickspi_pci_tbl,
+	.probe = quickspi_probe,
+	.remove = quickspi_remove,
+	.shutdown = quickspi_shutdown,
+	.driver.pm = &quickspi_pm_ops,
+	.driver.probe_type = PROBE_PREFER_ASYNCHRONOUS,
+};
+
+module_pci_driver(quickspi_driver);
+
+MODULE_AUTHOR("Xinpeng Sun <xinpeng.sun@intel.com>");
+MODULE_AUTHOR("Even Xu <even.xu@intel.com>");
+
+MODULE_DESCRIPTION("Intel(R) QuickSPI Driver");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS("INTEL_THC");
diff --git a/drivers/hid/intel-thc-hid/intel-quickspi/quickspi-dev.h b/drivers/hid/intel-thc-hid/intel-quickspi/quickspi-dev.h
new file mode 100644
index 000000000000..75179bb26767
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/intel-quickspi/quickspi-dev.h
@@ -0,0 +1,172 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2024 Intel Corporation */
+
+#ifndef _QUICKSPI_DEV_H_
+#define _QUICKSPI_DEV_H_
+
+#include <linux/bits.h>
+#include <linux/hid-over-spi.h>
+#include <linux/sizes.h>
+#include <linux/wait.h>
+
+#include "quickspi-protocol.h"
+
+#define PCI_DEVICE_ID_INTEL_THC_MTL_DEVICE_ID_SPI_PORT1		0x7E49
+#define PCI_DEVICE_ID_INTEL_THC_MTL_DEVICE_ID_SPI_PORT2		0x7E4B
+#define PCI_DEVICE_ID_INTEL_THC_LNL_DEVICE_ID_SPI_PORT1		0xA849
+#define PCI_DEVICE_ID_INTEL_THC_LNL_DEVICE_ID_SPI_PORT2		0xA84B
+#define PCI_DEVICE_ID_INTEL_THC_PTL_H_DEVICE_ID_SPI_PORT1	0xE349
+#define PCI_DEVICE_ID_INTEL_THC_PTL_H_DEVICE_ID_SPI_PORT2	0xE34B
+#define PCI_DEVICE_ID_INTEL_THC_PTL_U_DEVICE_ID_SPI_PORT1	0xE449
+#define PCI_DEVICE_ID_INTEL_THC_PTL_U_DEVICE_ID_SPI_PORT2	0xE44B
+
+/* HIDSPI special ACPI parameters DSM methods */
+#define ACPI_QUICKSPI_REVISION_NUM			2
+#define ACPI_QUICKSPI_FUNC_NUM_INPUT_REP_HDR_ADDR	1
+#define ACPI_QUICKSPI_FUNC_NUM_INPUT_REP_BDY_ADDR	2
+#define ACPI_QUICKSPI_FUNC_NUM_OUTPUT_REP_ADDR		3
+#define ACPI_QUICKSPI_FUNC_NUM_READ_OPCODE		4
+#define ACPI_QUICKSPI_FUNC_NUM_WRITE_OPCODE		5
+#define ACPI_QUICKSPI_FUNC_NUM_IO_MODE			6
+
+/* QickSPI device special ACPI parameters DSM methods */
+#define ACPI_QUICKSPI_FUNC_NUM_CONNECTION_SPEED		1
+#define ACPI_QUICKSPI_FUNC_NUM_LIMIT_PACKET_SIZE	2
+#define ACPI_QUICKSPI_FUNC_NUM_PERFORMANCE_LIMIT	3
+
+/* Platform special ACPI parameters DSM methods */
+#define ACPI_QUICKSPI_FUNC_NUM_ACTIVE_LTR		1
+#define ACPI_QUICKSPI_FUNC_NUM_LP_LTR			2
+
+#define SPI_WRITE_IO_MODE				BIT(13)
+#define SPI_IO_MODE_OPCODE				GENMASK(15, 14)
+#define PERFORMANCE_LIMITATION				GENMASK(15, 0)
+
+/* Packet size value, the unit is 16 bytes */
+#define DEFAULT_MIN_PACKET_SIZE_VALUE			4
+#define MAX_PACKET_SIZE_VALUE_MTL			128
+#define MAX_PACKET_SIZE_VALUE_LNL			256
+
+/*
+ * THC uses runtime auto suspend to dynamically switch between THC active LTR
+ * and low power LTR to save CPU power.
+ * Default value is 5000ms, that means if no touch event in this time, THC will
+ * change to low power LTR mode.
+ */
+#define DEFAULT_AUTO_SUSPEND_DELAY_MS			5000
+
+enum quickspi_dev_state {
+	QUICKSPI_NONE,
+	QUICKSPI_RESETING,
+	QUICKSPI_RESETED,
+	QUICKSPI_INITED,
+	QUICKSPI_ENABLED,
+	QUICKSPI_DISABLED,
+};
+
+/**
+ * struct quickspi_driver_data - Driver specific data for quickspi device
+ * @max_packet_size_value: identify max packet size, unit is 16 bytes
+ */
+struct quickspi_driver_data {
+	u32 max_packet_size_value;
+};
+
+struct device;
+struct pci_dev;
+struct thc_device;
+struct hid_device;
+struct acpi_device;
+
+/**
+ * struct quickspi_device -  THC QuickSpi device struct
+ * @dev: point to kernel device
+ * @pdev: point to PCI device
+ * @thc_hw: point to THC device
+ * @hid_dev: point to hid device
+ * @acpi_dev: point to ACPI device
+ * @driver_data: point to quickspi specific driver data
+ * @state: THC SPI device state
+ * @mem_addr: MMIO memory address
+ * @dev_desc: device descriptor for HIDSPI protocol
+ * @input_report_hdr_addr: device input report header address
+ * @input_report_bdy_addr: device input report body address
+ * @output_report_bdy_addr: device output report address
+ * @spi_freq_val: device supported max SPI frequnecy, in Hz
+ * @spi_read_io_mode: device supported SPI read io mode
+ * @spi_write_io_mode: device supported SPI write io mode
+ * @spi_read_opcode: device read opcode
+ * @spi_write_opcode: device write opcode
+ * @limit_packet_size: 1 - limit read/write packet to 64Bytes
+ *                     0 - device no packet size limiation for read/write
+ * @performance_limit: delay time, in ms.
+ *                     if device has performance limitation, must give a delay
+ *                     before write operation after a read operation.
+ * @active_ltr_val: THC active LTR value
+ * @low_power_ltr_val: THC low power LTR value
+ * @report_descriptor: store a copy of device report descriptor
+ * @input_buf: store a copy of latest input report data
+ * @report_buf: store a copy of latest input/output report packet from set/get feature
+ * @report_len: the length of input/output report packet
+ * @reset_ack_wq: workqueue for waiting reset response from device
+ * @reset_ack: indicate reset response received or not
+ * @nondma_int_received_wq: workqueue for waiting THC non-DMA interrupt
+ * @nondma_int_received: indicate THC non-DMA interrupt received or not
+ * @report_desc_got_wq: workqueue for waiting device report descriptor
+ * @report_desc_got: indicate device report descritor received or not
+ * @set_power_on_wq: workqueue for waiting set power on response from device
+ * @set_power_on: indicate set power on response received or not
+ * @get_feature_cmpl_wq: workqueue for waiting get feature response from device
+ * @get_feature_cmpl: indicate get feature received or not
+ * @set_feature_cmpl_wq: workqueue for waiting set feature to device
+ * @set_feature_cmpl: indicate set feature send complete or not
+ */
+struct quickspi_device {
+	struct device *dev;
+	struct pci_dev *pdev;
+	struct thc_device *thc_hw;
+	struct hid_device *hid_dev;
+	struct acpi_device *acpi_dev;
+	struct quickspi_driver_data *driver_data;
+	enum quickspi_dev_state state;
+
+	void __iomem *mem_addr;
+
+	struct hidspi_dev_descriptor dev_desc;
+	u32 input_report_hdr_addr;
+	u32 input_report_bdy_addr;
+	u32 output_report_addr;
+	u32 spi_freq_val;
+	u32 spi_read_io_mode;
+	u32 spi_write_io_mode;
+	u32 spi_read_opcode;
+	u32 spi_write_opcode;
+	u32 limit_packet_size;
+	u32 spi_packet_size;
+	u32 performance_limit;
+
+	u32 active_ltr_val;
+	u32 low_power_ltr_val;
+
+	u8 *report_descriptor;
+	u8 *input_buf;
+	u8 *report_buf;
+	u32 report_len;
+
+	wait_queue_head_t reset_ack_wq;
+	bool reset_ack;
+
+	wait_queue_head_t nondma_int_received_wq;
+	bool nondma_int_received;
+
+	wait_queue_head_t report_desc_got_wq;
+	bool report_desc_got;
+
+	wait_queue_head_t get_report_cmpl_wq;
+	bool get_report_cmpl;
+
+	wait_queue_head_t set_report_cmpl_wq;
+	bool set_report_cmpl;
+};
+
+#endif /* _QUICKSPI_DEV_H_ */
diff --git a/drivers/hid/intel-thc-hid/intel-quickspi/quickspi-hid.c b/drivers/hid/intel-thc-hid/intel-quickspi/quickspi-hid.c
new file mode 100644
index 000000000000..ad52e402c28a
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/intel-quickspi/quickspi-hid.c
@@ -0,0 +1,165 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2024 Intel Corporation */
+
+#include <linux/hid.h>
+#include <linux/input.h>
+#include <linux/pm_runtime.h>
+
+#include "quickspi-dev.h"
+#include "quickspi-hid.h"
+
+/**
+ * quickspi_hid_parse() - HID core parse() callback
+ *
+ * @hid: HID device instance
+ *
+ * This function gets called during call to hid_add_device
+ *
+ * Return: 0 on success and non zero on error.
+ */
+static int quickspi_hid_parse(struct hid_device *hid)
+{
+	struct quickspi_device *qsdev = hid->driver_data;
+
+	if (qsdev->report_descriptor)
+		return hid_parse_report(hid, qsdev->report_descriptor,
+					le16_to_cpu(qsdev->dev_desc.rep_desc_len));
+
+	dev_err(qsdev->dev, "invalid report descriptor\n");
+	return -EINVAL;
+}
+
+static int quickspi_hid_start(struct hid_device *hid)
+{
+	return 0;
+}
+
+static void quickspi_hid_stop(struct hid_device *hid)
+{
+}
+
+static int quickspi_hid_open(struct hid_device *hid)
+{
+	return 0;
+}
+
+static void quickspi_hid_close(struct hid_device *hid)
+{
+}
+
+static int quickspi_hid_raw_request(struct hid_device *hid,
+				    unsigned char reportnum,
+				    __u8 *buf, size_t len,
+				    unsigned char rtype, int reqtype)
+{
+	struct quickspi_device *qsdev = hid->driver_data;
+	int ret = 0;
+
+	ret = pm_runtime_resume_and_get(qsdev->dev);
+	if (ret)
+		return ret;
+
+	switch (reqtype) {
+	case HID_REQ_GET_REPORT:
+		ret = quickspi_get_report(qsdev, rtype, reportnum, buf);
+		break;
+	case HID_REQ_SET_REPORT:
+		ret = quickspi_set_report(qsdev, rtype, reportnum, buf, len);
+		break;
+	default:
+		dev_err_once(qsdev->dev, "Not supported request type %d\n", reqtype);
+		break;
+	}
+
+	pm_runtime_mark_last_busy(qsdev->dev);
+	pm_runtime_put_autosuspend(qsdev->dev);
+
+	return ret;
+}
+
+static int quickspi_hid_power(struct hid_device *hid, int lvl)
+{
+	return 0;
+}
+
+static struct hid_ll_driver quickspi_hid_ll_driver = {
+	.parse = quickspi_hid_parse,
+	.start = quickspi_hid_start,
+	.stop = quickspi_hid_stop,
+	.open = quickspi_hid_open,
+	.close = quickspi_hid_close,
+	.power = quickspi_hid_power,
+	.raw_request = quickspi_hid_raw_request,
+};
+
+/**
+ * quickspi_hid_probe() - Register HID low level driver
+ *
+ * @qsdev: point to quickspi device
+ *
+ * This function is used to allocate and add HID device.
+ *
+ * Return: 0 on success, non zero on error.
+ */
+int quickspi_hid_probe(struct quickspi_device *qsdev)
+{
+	struct hid_device *hid;
+	int ret;
+
+	hid = hid_allocate_device();
+	if (IS_ERR(hid))
+		return PTR_ERR(hid);
+
+	hid->ll_driver = &quickspi_hid_ll_driver;
+	hid->bus = BUS_PCI;
+	hid->dev.parent = qsdev->dev;
+	hid->driver_data = qsdev;
+	hid->version = le16_to_cpu(qsdev->dev_desc.version_id);
+	hid->vendor = le16_to_cpu(qsdev->dev_desc.vendor_id);
+	hid->product = le16_to_cpu(qsdev->dev_desc.product_id);
+	snprintf(hid->name, sizeof(hid->name), "%s %04X:%04X", "quickspi-hid",
+		 hid->vendor, hid->product);
+
+	ret = hid_add_device(hid);
+	if (ret) {
+		hid_destroy_device(hid);
+		return ret;
+	}
+
+	qsdev->hid_dev = hid;
+
+	return 0;
+}
+
+/**
+ * quickspi_hid_remove() - Destroy HID device
+ *
+ * @qsdev: point to quickspi device
+ *
+ * Return: 0 on success, non zero on error.
+ */
+void quickspi_hid_remove(struct quickspi_device *qsdev)
+{
+	hid_destroy_device(qsdev->hid_dev);
+}
+
+/**
+ * quickspi_hid_send_report() - Send HID input report data to HID core
+ *
+ * @qsdev: point to quickspi device
+ * @data: point to input report data buffer
+ * @data_len: the length of input report data
+ *
+ * Return: 0 on success, non zero on error.
+ */
+int quickspi_hid_send_report(struct quickspi_device *qsdev,
+			     void *data, size_t data_len)
+{
+	int ret;
+
+	ret = hid_input_report(qsdev->hid_dev, HID_INPUT_REPORT, data, data_len, 1);
+	if (ret)
+		dev_err(qsdev->dev, "Failed to send HID input report, ret = %d.\n", ret);
+
+	return ret;
+}
diff --git a/drivers/hid/intel-thc-hid/intel-quickspi/quickspi-hid.h b/drivers/hid/intel-thc-hid/intel-quickspi/quickspi-hid.h
new file mode 100644
index 000000000000..f640fa876a40
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/intel-quickspi/quickspi-hid.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2024 Intel Corporation */
+
+#ifndef _QUICKSPI_HID_H_
+#define _QUICKSPI_HID_H_
+
+struct quickspi_device;
+
+int quickspi_hid_send_report(struct quickspi_device *qsdev,
+			     void *data, size_t data_size);
+int quickspi_hid_probe(struct quickspi_device *qsdev);
+void quickspi_hid_remove(struct quickspi_device *qsdev);
+
+#endif /* _QUICKSPI_HID_H_ */
diff --git a/drivers/hid/intel-thc-hid/intel-quickspi/quickspi-protocol.c b/drivers/hid/intel-thc-hid/intel-quickspi/quickspi-protocol.c
new file mode 100644
index 000000000000..7373238ceb18
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/intel-quickspi/quickspi-protocol.c
@@ -0,0 +1,414 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright © 2024 Intel Corporation */
+
+#include <linux/acpi.h>
+#include <linux/bitfield.h>
+#include <linux/delay.h>
+#include <linux/hid.h>
+
+#include "intel-thc-dev.h"
+#include "intel-thc-dma.h"
+
+#include "quickspi-dev.h"
+#include "quickspi-hid.h"
+#include "quickspi-protocol.h"
+
+/* THC uses HW to accelerate HID over SPI protocol, THC_M_PRT_DEV_INT_CAUSE
+ * register is used to store message header and body header, below definition
+ * let driver retrieve needed data filed easier from THC_M_PRT_DEV_INT_CAUSE
+ * register.
+ */
+#define HIDSPI_IN_REP_BDY_HDR_REP_TYPE     GENMASK(7, 0)
+
+static int write_cmd_to_txdma(struct quickspi_device *qsdev,
+			      int report_type, int report_id,
+			      u8 *report_buf, const int report_buf_len)
+{
+	struct output_report *write_buf;
+	int write_buf_len;
+	int ret;
+
+	write_buf = (struct output_report *)qsdev->report_buf;
+
+	write_buf->output_hdr.report_type = report_type;
+	write_buf->output_hdr.content_len = cpu_to_le16(report_buf_len);
+	write_buf->output_hdr.content_id = report_id;
+
+	if (report_buf && report_buf_len > 0)
+		memcpy(write_buf->content, report_buf, report_buf_len);
+
+	write_buf_len = HIDSPI_OUTPUT_REPORT_SIZE(report_buf_len);
+
+	ret = thc_dma_write(qsdev->thc_hw, write_buf, write_buf_len);
+	if (ret)
+		dev_err_once(qsdev->dev, "DMA write failed, ret = %d\n", ret);
+
+	return ret;
+}
+
+static int quickspi_get_device_descriptor(struct quickspi_device *qsdev)
+{
+	u8 read_buf[HIDSPI_INPUT_DEVICE_DESCRIPTOR_SIZE];
+	struct output_report output_rep;
+	u32 input_len, read_len = 0;
+	u32 int_cause_val;
+	u8 input_rep_type;
+	int ret;
+
+	output_rep.output_hdr.report_type = DEVICE_DESCRIPTOR;
+	output_rep.output_hdr.content_len = 0;
+	output_rep.output_hdr.content_id = 0;
+
+	qsdev->nondma_int_received = false;
+
+	ret = thc_tic_pio_write(qsdev->thc_hw, qsdev->output_report_addr,
+				HIDSPI_OUTPUT_REPORT_SIZE(0), (u32 *)&output_rep);
+	if (ret) {
+		dev_err_once(qsdev->dev,
+			     "Write DEVICE_DESCRIPTOR command failed, ret = %d\n", ret);
+		return ret;
+	}
+
+	ret = wait_event_interruptible_timeout(qsdev->nondma_int_received_wq,
+					       qsdev->nondma_int_received,
+					       QUICKSPI_ACK_WAIT_TIMEOUT * HZ);
+	if (ret <= 0 || !qsdev->nondma_int_received) {
+		dev_err_once(qsdev->dev, "Wait DEVICE_DESCRIPTOR timeout, ret:%d\n", ret);
+		return -ETIMEDOUT;
+	}
+	qsdev->nondma_int_received = false;
+
+	int_cause_val = thc_int_cause_read(qsdev->thc_hw);
+	input_len = FIELD_GET(HIDSPI_INPUT_HEADER_REPORT_LEN, int_cause_val);
+
+	input_len = input_len * sizeof(u32);
+	if (input_len != HIDSPI_INPUT_DEVICE_DESCRIPTOR_SIZE) {
+		dev_err_once(qsdev->dev, "Receive wrong DEVICE_DESCRIPTOR length, len = %u\n",
+			     input_len);
+		return -EINVAL;
+	}
+
+	ret = thc_tic_pio_read(qsdev->thc_hw, qsdev->input_report_bdy_addr,
+			       input_len, &read_len, (u32 *)read_buf);
+	if (ret || read_len != input_len) {
+		dev_err_once(qsdev->dev, "Read DEVICE_DESCRIPTOR failed, ret = %d\n", ret);
+		dev_err_once(qsdev->dev, "DEVICE_DESCRIPTOR expected len = %u, actual read = %u\n",
+			     input_len, read_len);
+		return ret;
+	}
+
+	input_rep_type = ((struct input_report_body_header *)read_buf)->input_report_type;
+
+	if (input_rep_type == DEVICE_DESCRIPTOR_RESPONSE) {
+		memcpy(&qsdev->dev_desc,
+		       read_buf + HIDSPI_INPUT_BODY_HEADER_SIZE,
+		       HIDSPI_DEVICE_DESCRIPTOR_SIZE);
+
+		return 0;
+	}
+
+	dev_err_once(qsdev->dev, "Unexpected intput report type: %d\n", input_rep_type);
+	return -EINVAL;
+}
+
+int quickspi_get_report_descriptor(struct quickspi_device *qsdev)
+{
+	int ret;
+
+	ret = write_cmd_to_txdma(qsdev, REPORT_DESCRIPTOR, 0, NULL, 0);
+	if (ret) {
+		dev_err_once(qsdev->dev,
+			     "Write REPORT_DESCRIPTOR command failed, ret = %d\n", ret);
+		return ret;
+	}
+
+	ret = wait_event_interruptible_timeout(qsdev->report_desc_got_wq,
+					       qsdev->report_desc_got,
+					       QUICKSPI_ACK_WAIT_TIMEOUT * HZ);
+	if (ret <= 0 || !qsdev->report_desc_got) {
+		dev_err_once(qsdev->dev, "Wait Report Descriptor timeout, ret:%d\n", ret);
+		return -ETIMEDOUT;
+	}
+	qsdev->report_desc_got = false;
+
+	return 0;
+}
+
+int quickspi_set_power(struct quickspi_device *qsdev,
+		       enum hidspi_power_state power_state)
+{
+	u8 cmd_content = power_state;
+	int ret;
+
+	ret = write_cmd_to_txdma(qsdev, COMMAND_CONTENT,
+				 HIDSPI_SET_POWER_CMD_ID,
+				 &cmd_content,
+				 sizeof(cmd_content));
+	if (ret) {
+		dev_err_once(qsdev->dev, "Write SET_POWER command failed, ret = %d\n", ret);
+		return ret;
+	}
+
+	return 0;
+}
+
+void quickspi_handle_input_data(struct quickspi_device *qsdev, u32 buf_len)
+{
+	struct input_report_body_header *body_hdr;
+	struct input_report_body *input_body;
+	u8 *input_report;
+	u32 input_len;
+	int ret = 0;
+
+	input_body = (struct input_report_body *)qsdev->input_buf;
+	body_hdr = &input_body->body_hdr;
+	input_len = le16_to_cpu(body_hdr->content_len);
+
+	if (HIDSPI_INPUT_BODY_SIZE(input_len) > buf_len) {
+		dev_err_once(qsdev->dev, "Wrong input report length: %u",
+			     input_len);
+		return;
+	}
+
+	switch (body_hdr->input_report_type) {
+	case REPORT_DESCRIPTOR_RESPONSE:
+		if (input_len != le16_to_cpu(qsdev->dev_desc.rep_desc_len)) {
+			dev_err_once(qsdev->dev, "Unexpected report descriptor length: %u\n",
+				     input_len);
+			return;
+		}
+
+		memcpy(qsdev->report_descriptor, input_body->content, input_len);
+
+		qsdev->report_desc_got = true;
+		wake_up_interruptible(&qsdev->report_desc_got_wq);
+
+		break;
+
+	case COMMAND_RESPONSE:
+		if (body_hdr->content_id == HIDSPI_SET_POWER_CMD_ID) {
+			dev_dbg(qsdev->dev, "Receive set power on response\n");
+		} else {
+			dev_err_once(qsdev->dev, "Unknown command response type: %u\n",
+				     body_hdr->content_id);
+		}
+
+		break;
+
+	case RESET_RESPONSE:
+		if (qsdev->state == QUICKSPI_RESETING) {
+			qsdev->reset_ack = true;
+			wake_up_interruptible(&qsdev->reset_ack_wq);
+			dev_dbg(qsdev->dev, "Receive HIR reset response\n");
+		} else {
+			dev_info(qsdev->dev, "Receive DIR\n");
+		}
+		break;
+
+	case GET_FEATURE_RESPONSE:
+	case GET_INPUT_REPORT_RESPONSE:
+		qsdev->report_len = sizeof(body_hdr->content_id) + input_len;
+		input_report = input_body->content - sizeof(body_hdr->content_id);
+
+		memcpy(qsdev->report_buf, input_report, qsdev->report_len);
+
+		qsdev->get_report_cmpl = true;
+		wake_up_interruptible(&qsdev->get_report_cmpl_wq);
+
+		break;
+
+	case SET_FEATURE_RESPONSE:
+	case OUTPUT_REPORT_RESPONSE:
+		qsdev->set_report_cmpl = true;
+		wake_up_interruptible(&qsdev->set_report_cmpl_wq);
+
+		break;
+
+	case DATA:
+		if (qsdev->state != QUICKSPI_ENABLED)
+			return;
+
+		if (input_len > le16_to_cpu(qsdev->dev_desc.max_input_len)) {
+			dev_err_once(qsdev->dev, "Unexpected too large input report length: %u\n",
+				     input_len);
+			return;
+		}
+
+		input_len = sizeof(body_hdr->content_id) + input_len;
+		input_report = input_body->content - sizeof(body_hdr->content_id);
+
+		ret = quickspi_hid_send_report(qsdev, input_report, input_len);
+		if (ret)
+			dev_err_once(qsdev->dev, "Failed to send HID input report: %d\n", ret);
+
+		break;
+
+	default:
+		dev_err_once(qsdev->dev, "Unsupported input report type: %u\n",
+			     body_hdr->input_report_type);
+		break;
+	}
+}
+
+static int acpi_tic_reset(struct quickspi_device *qsdev)
+{
+	acpi_status status = 0;
+	acpi_handle handle;
+
+	if (!qsdev->acpi_dev)
+		return -ENODEV;
+
+	handle = acpi_device_handle(qsdev->acpi_dev);
+	status = acpi_execute_simple_method(handle, "_RST", 0);
+	if (ACPI_FAILURE(status)) {
+		dev_err_once(qsdev->dev,
+			     "Failed to reset device through ACPI method, ret = %d\n", status);
+		return -EIO;
+	}
+
+	return 0;
+}
+
+int reset_tic(struct quickspi_device *qsdev)
+{
+	u32 actual_read_len, read_len = 0;
+	u32 input_report_len, reset_response, int_cause_val;
+	u8  input_rep_type;
+	int ret;
+
+	qsdev->state = QUICKSPI_RESETING;
+
+	qsdev->reset_ack = false;
+
+	/* First interrupt uses level trigger to avoid missing interrupt */
+	thc_int_trigger_type_select(qsdev->thc_hw, false);
+
+	ret = acpi_tic_reset(qsdev);
+	if (ret)
+		return ret;
+
+	ret = thc_interrupt_quiesce(qsdev->thc_hw, false);
+	if (ret)
+		return ret;
+
+	ret = wait_event_interruptible_timeout(qsdev->reset_ack_wq,
+					       qsdev->reset_ack,
+					       QUICKSPI_ACK_WAIT_TIMEOUT * HZ);
+	if (ret <= 0 || !qsdev->reset_ack) {
+		dev_err_once(qsdev->dev, "Wait RESET_RESPONSE timeout, ret:%d\n", ret);
+		return -ETIMEDOUT;
+	}
+
+	int_cause_val = thc_int_cause_read(qsdev->thc_hw);
+	input_report_len = FIELD_GET(HIDSPI_INPUT_HEADER_REPORT_LEN, int_cause_val);
+
+	read_len = input_report_len * sizeof(u32);
+	if (read_len != HIDSPI_INPUT_BODY_SIZE(0)) {
+		dev_err_once(qsdev->dev, "Receive wrong RESET_RESPONSE, len = %u\n",
+			     read_len);
+		return -EINVAL;
+	}
+
+	/* Switch to edge trigger matching with HIDSPI protocol definition */
+	thc_int_trigger_type_select(qsdev->thc_hw, true);
+
+	ret = thc_tic_pio_read(qsdev->thc_hw, qsdev->input_report_bdy_addr,
+			       read_len, &actual_read_len,
+			       (u32 *)&reset_response);
+	if (ret || actual_read_len != read_len) {
+		dev_err_once(qsdev->dev, "Read RESET_RESPONSE body failed, ret = %d\n", ret);
+		dev_err_once(qsdev->dev, "RESET_RESPONSE body expected len = %u, actual = %u\n",
+			     read_len, actual_read_len);
+		return ret;
+	}
+
+	input_rep_type = FIELD_GET(HIDSPI_IN_REP_BDY_HDR_REP_TYPE, reset_response);
+
+	if (input_rep_type == RESET_RESPONSE) {
+		dev_dbg(qsdev->dev, "RESET_RESPONSE received\n");
+	} else {
+		dev_err_once(qsdev->dev,
+			     "Unexpected input report type: %d, expect RESET_RESPONSE\n",
+			     input_rep_type);
+		return -EINVAL;
+	}
+
+	qsdev->state = QUICKSPI_RESETED;
+
+	ret = quickspi_get_device_descriptor(qsdev);
+	if (ret)
+		return ret;
+
+	return 0;
+}
+
+int quickspi_get_report(struct quickspi_device *qsdev,
+			u8 report_type, unsigned int report_id, void *buf)
+{
+	int rep_type;
+	int ret;
+
+	if (report_type == HID_INPUT_REPORT) {
+		rep_type = GET_INPUT_REPORT;
+	} else if (report_type == HID_FEATURE_REPORT) {
+		rep_type = GET_FEATURE;
+	} else {
+		dev_err_once(qsdev->dev, "Unsupported report type for GET REPORT: %d\n",
+			     report_type);
+		return -EINVAL;
+	}
+
+	ret = write_cmd_to_txdma(qsdev, rep_type, report_id, NULL, 0);
+	if (ret) {
+		dev_err_once(qsdev->dev, "Write GET_REPORT command failed, ret = %d\n", ret);
+		return ret;
+	}
+
+	ret = wait_event_interruptible_timeout(qsdev->get_report_cmpl_wq,
+					       qsdev->get_report_cmpl,
+					       QUICKSPI_ACK_WAIT_TIMEOUT * HZ);
+	if (ret <= 0 || !qsdev->get_report_cmpl) {
+		dev_err_once(qsdev->dev, "Wait Get Report Response timeout, ret:%d\n", ret);
+		return -ETIMEDOUT;
+	}
+	qsdev->get_report_cmpl = false;
+
+	memcpy(buf, qsdev->report_buf, qsdev->report_len);
+
+	return qsdev->report_len;
+}
+
+int quickspi_set_report(struct quickspi_device *qsdev,
+			u8 report_type, unsigned int report_id,
+			void *buf, u32 buf_len)
+{
+	int rep_type;
+	int ret;
+
+	if (report_type == HID_OUTPUT_REPORT) {
+		rep_type = OUTPUT_REPORT;
+	} else if (report_type == HID_FEATURE_REPORT) {
+		rep_type = SET_FEATURE;
+	} else {
+		dev_err_once(qsdev->dev, "Unsupported report type for SET REPORT: %d\n",
+			     report_type);
+		return -EINVAL;
+	}
+
+	ret = write_cmd_to_txdma(qsdev, rep_type, report_id, buf + 1, buf_len - 1);
+	if (ret) {
+		dev_err_once(qsdev->dev, "Write SET_REPORT command failed, ret = %d\n", ret);
+		return ret;
+	}
+
+	ret = wait_event_interruptible_timeout(qsdev->set_report_cmpl_wq,
+					       qsdev->set_report_cmpl,
+					       QUICKSPI_ACK_WAIT_TIMEOUT * HZ);
+	if (ret <= 0 || !qsdev->set_report_cmpl) {
+		dev_err_once(qsdev->dev, "Wait Set Report Response timeout, ret:%d\n", ret);
+		return -ETIMEDOUT;
+	}
+	qsdev->set_report_cmpl = false;
+
+	return buf_len;
+}
diff --git a/drivers/hid/intel-thc-hid/intel-quickspi/quickspi-protocol.h b/drivers/hid/intel-thc-hid/intel-quickspi/quickspi-protocol.h
new file mode 100644
index 000000000000..775e29c1ed13
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/intel-quickspi/quickspi-protocol.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2024 Intel Corporation */
+
+#ifndef _QUICKSPI_PROTOCOL_H_
+#define _QUICKSPI_PROTOCOL_H_
+
+#include <linux/hid-over-spi.h>
+
+#define QUICKSPI_ACK_WAIT_TIMEOUT    5
+
+struct quickspi_device;
+
+void quickspi_handle_input_data(struct quickspi_device *qsdev, u32 buf_len);
+int quickspi_get_report(struct quickspi_device *qsdev, u8 report_type,
+			unsigned int report_id, void *buf);
+int quickspi_set_report(struct quickspi_device *qsdev, u8 report_type,
+			unsigned int report_id, void *buf, u32 buf_len);
+int quickspi_get_report_descriptor(struct quickspi_device *qsdev);
+
+int quickspi_set_power(struct quickspi_device *qsdev,
+		       enum hidspi_power_state power_state);
+
+int reset_tic(struct quickspi_device *qsdev);
+
+#endif /* _QUICKSPI_PROTOCOL_H_ */
diff --git a/drivers/hid/intel-thc-hid/intel-thc/intel-thc-dev.c b/drivers/hid/intel-thc-hid/intel-thc/intel-thc-dev.c
new file mode 100644
index 000000000000..4fc78b5a04b5
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/intel-thc/intel-thc-dev.c
@@ -0,0 +1,1578 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2024 Intel Corporation */
+
+#include <linux/bitfield.h>
+#include <linux/regmap.h>
+
+#include "intel-thc-dev.h"
+#include "intel-thc-hw.h"
+
+static int thc_regmap_read(void *context, unsigned int reg,
+			   unsigned int *val)
+{
+	struct thc_device *thc_ctx = context;
+	void __iomem *base = thc_ctx->mmio_addr;
+
+	*val = ioread32(base + reg);
+	return 0;
+}
+
+static int thc_regmap_write(void *context, unsigned int reg,
+			    unsigned int val)
+{
+	struct thc_device *thc_ctx = context;
+	void __iomem *base = thc_ctx->mmio_addr;
+
+	iowrite32(val, base + reg);
+	return 0;
+}
+
+static const struct regmap_range thc_rw_ranges[] = {
+	regmap_reg_range(0x10, 0x14),
+	regmap_reg_range(0x1000, 0x1320),
+};
+
+static const struct regmap_access_table thc_rw_table = {
+	.yes_ranges = thc_rw_ranges,
+	.n_yes_ranges = ARRAY_SIZE(thc_rw_ranges),
+};
+
+static const struct regmap_config thc_regmap_cfg = {
+	.name = "thc_regmap_common",
+	.reg_bits = 32,
+	.val_bits = 32,
+	.reg_stride = 4,
+	.max_register = 0x1320,
+	.reg_read = thc_regmap_read,
+	.reg_write = thc_regmap_write,
+	.cache_type = REGCACHE_NONE,
+	.fast_io = true,
+	.rd_table = &thc_rw_table,
+	.wr_table = &thc_rw_table,
+	.volatile_table	= &thc_rw_table,
+};
+
+/**
+ * thc_clear_state - Clear THC hardware state
+ *
+ * @dev: The pointer of THC device structure
+ */
+static void thc_clear_state(const struct thc_device *dev)
+{
+	u32 val;
+
+	/* Clear interrupt cause register */
+	val = THC_M_PRT_ERR_CAUSE_INVLD_DEV_ENTRY |
+	      THC_M_PRT_ERR_CAUSE_FRAME_BABBLE_ERR |
+	      THC_M_PRT_ERR_CAUSE_BUF_OVRRUN_ERR |
+	      THC_M_PRT_ERR_CAUSE_PRD_ENTRY_ERR;
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_ERR_CAUSE_OFFSET, val, val);
+
+	/* Clear interrupt error state */
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_READ_DMA_CNTRL_1_OFFSET,
+			  THC_M_PRT_READ_DMA_CNTRL_IE_STALL,
+			  THC_M_PRT_READ_DMA_CNTRL_IE_STALL);
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_READ_DMA_CNTRL_2_OFFSET,
+			  THC_M_PRT_READ_DMA_CNTRL_IE_STALL,
+			  THC_M_PRT_READ_DMA_CNTRL_IE_STALL);
+
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_INT_STATUS_OFFSET,
+			  THC_M_PRT_INT_STATUS_TXN_ERR_INT_STS,
+			  THC_M_PRT_INT_STATUS_TXN_ERR_INT_STS);
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_INT_STATUS_OFFSET,
+			  THC_M_PRT_INT_STATUS_FATAL_ERR_INT_STS,
+			  THC_M_PRT_INT_STATUS_FATAL_ERR_INT_STS);
+
+	val = THC_M_PRT_INT_EN_TXN_ERR_INT_EN |
+	      THC_M_PRT_INT_EN_FATAL_ERR_INT_EN |
+	      THC_M_PRT_INT_EN_BUF_OVRRUN_ERR_INT_EN;
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_INT_EN_OFFSET, val, val);
+
+	val = THC_M_PRT_SW_SEQ_STS_THC_SS_ERR |
+	      THC_M_PRT_SW_SEQ_STS_TSSDONE;
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_SW_SEQ_STS_OFFSET, val, val);
+
+	/* Clear RxDMA state */
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_READ_DMA_CNTRL_1_OFFSET,
+			  THC_M_PRT_READ_DMA_CNTRL_IE_EOF, 0);
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_READ_DMA_CNTRL_2_OFFSET,
+			  THC_M_PRT_READ_DMA_CNTRL_IE_EOF, 0);
+
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_READ_DMA_INT_STS_1_OFFSET,
+			  THC_M_PRT_READ_DMA_INT_STS_EOF_INT_STS,
+			  THC_M_PRT_READ_DMA_INT_STS_EOF_INT_STS);
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_READ_DMA_INT_STS_2_OFFSET,
+			  THC_M_PRT_READ_DMA_INT_STS_EOF_INT_STS,
+			  THC_M_PRT_READ_DMA_INT_STS_EOF_INT_STS);
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_READ_DMA_INT_STS_1_OFFSET,
+			  THC_M_PRT_READ_DMA_INT_STS_NONDMA_INT_STS,
+			  THC_M_PRT_READ_DMA_INT_STS_NONDMA_INT_STS);
+
+	/* Clear TxDMA state */
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_WRITE_DMA_CNTRL_OFFSET,
+			  THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_IE_IOC_DMACPL,
+			  THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_IE_IOC_DMACPL);
+
+	val = THC_M_PRT_WRITE_INT_STS_THC_WRDMA_ERROR_STS |
+	      THC_M_PRT_WRITE_INT_STS_THC_WRDMA_IOC_STS |
+	      THC_M_PRT_WRITE_INT_STS_THC_WRDMA_CMPL_STATUS;
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_WRITE_INT_STS_OFFSET, val, val);
+
+	/* Reset all DMAs count */
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_DB_CNT_1_OFFSET,
+			  THC_M_PRT_DB_CNT_1_THC_M_PRT_DB_CNT_RST,
+			  THC_M_PRT_DB_CNT_1_THC_M_PRT_DB_CNT_RST);
+
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_DEVINT_CNT_OFFSET,
+			  THC_M_PRT_DEVINT_CNT_THC_M_PRT_DEVINT_CNT_RST,
+			  THC_M_PRT_DEVINT_CNT_THC_M_PRT_DEVINT_CNT_RST);
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_READ_DMA_CNTRL_1_OFFSET,
+			  THC_M_PRT_READ_DMA_CNTRL_TPCPR,
+			  THC_M_PRT_READ_DMA_CNTRL_TPCPR);
+
+	/* Reset THC hardware sequence state */
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_FRAME_DROP_CNT_1_OFFSET,
+			  THC_M_PRT_FRAME_DROP_CNT_1_RFDC,
+			  THC_M_PRT_FRAME_DROP_CNT_1_RFDC);
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_FRAME_DROP_CNT_2_OFFSET,
+			  THC_M_PRT_FRAME_DROP_CNT_2_RFDC,
+			  THC_M_PRT_FRAME_DROP_CNT_2_RFDC);
+
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_FRM_CNT_1_OFFSET,
+			  THC_M_PRT_FRM_CNT_1_THC_M_PRT_FRM_CNT_RST,
+			  THC_M_PRT_FRM_CNT_1_THC_M_PRT_FRM_CNT_RST);
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_FRM_CNT_2_OFFSET,
+			  THC_M_PRT_FRM_CNT_2_THC_M_PRT_FRM_CNT_RST,
+			  THC_M_PRT_FRM_CNT_2_THC_M_PRT_FRM_CNT_RST);
+
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_RXDMA_PKT_CNT_1_OFFSET,
+			  THC_M_PRT_RXDMA_PKT_CNT_1_THC_M_PRT_RXDMA_PKT_CNT_RST,
+			  THC_M_PRT_RXDMA_PKT_CNT_1_THC_M_PRT_RXDMA_PKT_CNT_RST);
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_RXDMA_PKT_CNT_2_OFFSET,
+			  THC_M_PRT_RXDMA_PKT_CNT_2_THC_M_PRT_RXDMA_PKT_CNT_RST,
+			  THC_M_PRT_RXDMA_PKT_CNT_2_THC_M_PRT_RXDMA_PKT_CNT_RST);
+
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_SWINT_CNT_1_OFFSET,
+			  THC_M_PRT_SWINT_CNT_1_THC_M_PRT_SWINT_CNT_RST,
+			  THC_M_PRT_SWINT_CNT_1_THC_M_PRT_SWINT_CNT_RST);
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_SWINT_CNT_1_OFFSET,
+			  THC_M_PRT_SWINT_CNT_1_THC_M_PRT_SWINT_CNT_RST,
+			  THC_M_PRT_SWINT_CNT_1_THC_M_PRT_SWINT_CNT_RST);
+
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_TX_FRM_CNT_OFFSET,
+			  THC_M_PRT_TX_FRM_CNT_THC_M_PRT_TX_FRM_CNT_RST,
+			  THC_M_PRT_TX_FRM_CNT_THC_M_PRT_TX_FRM_CNT_RST);
+
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_TXDMA_PKT_CNT_OFFSET,
+			  THC_M_PRT_TXDMA_PKT_CNT_THC_M_PRT_TXDMA_PKT_CNT_RST,
+			  THC_M_PRT_TXDMA_PKT_CNT_THC_M_PRT_TXDMA_PKT_CNT_RST);
+
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_UFRM_CNT_1_OFFSET,
+			  THC_M_PRT_UFRM_CNT_1_THC_M_PRT_UFRM_CNT_RST,
+			  THC_M_PRT_UFRM_CNT_1_THC_M_PRT_UFRM_CNT_RST);
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_UFRM_CNT_2_OFFSET,
+			  THC_M_PRT_UFRM_CNT_2_THC_M_PRT_UFRM_CNT_RST,
+			  THC_M_PRT_UFRM_CNT_2_THC_M_PRT_UFRM_CNT_RST);
+
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_PRD_EMPTY_CNT_1_OFFSET,
+			  THC_M_PRT_PRD_EMPTY_CNT_1_RPTEC,
+			  THC_M_PRT_PRD_EMPTY_CNT_1_RPTEC);
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_PRD_EMPTY_CNT_2_OFFSET,
+			  THC_M_PRT_PRD_EMPTY_CNT_2_RPTEC,
+			  THC_M_PRT_PRD_EMPTY_CNT_2_RPTEC);
+}
+
+/**
+ * thc_dev_init - Allocate and initialize the THC device structure
+ *
+ * @device: The pointer of device structure
+ * @mem_addr: The pointer of MMIO memory address
+ *
+ * Return: The thc_device pointer on success, NULL on failed.
+ */
+struct thc_device *thc_dev_init(struct device *device, void __iomem *mem_addr)
+{
+	struct thc_device *thc_dev;
+	int ret;
+
+	thc_dev = devm_kzalloc(device, sizeof(*thc_dev), GFP_KERNEL);
+	if (!thc_dev)
+		return ERR_PTR(-ENOMEM);
+
+	thc_dev->dev = device;
+	thc_dev->mmio_addr = mem_addr;
+	thc_dev->thc_regmap = devm_regmap_init(device, NULL, thc_dev, &thc_regmap_cfg);
+	if (IS_ERR(thc_dev->thc_regmap)) {
+		ret = PTR_ERR(thc_dev->thc_regmap);
+		dev_err_once(device, "Failed to init thc_regmap: %d\n", ret);
+		return ERR_PTR(ret);
+	}
+
+	thc_clear_state(thc_dev);
+
+	mutex_init(&thc_dev->thc_bus_lock);
+	init_waitqueue_head(&thc_dev->write_complete_wait);
+	init_waitqueue_head(&thc_dev->swdma_complete_wait);
+
+	thc_dev->dma_ctx = thc_dma_init(thc_dev);
+	if (!thc_dev->dma_ctx) {
+		dev_err_once(device, "DMA context init failed\n");
+		return ERR_PTR(-ENOMEM);
+	}
+
+	return thc_dev;
+}
+EXPORT_SYMBOL_NS_GPL(thc_dev_init, "INTEL_THC");
+
+static int prepare_pio(const struct thc_device *dev, const u8 pio_op,
+		       const u32 address, const u32 size)
+{
+	u32 sts, ctrl, addr, mask;
+
+	regmap_read(dev->thc_regmap, THC_M_PRT_SW_SEQ_STS_OFFSET, &sts);
+
+	/* Check if THC previous PIO still in progress */
+	if (sts & THC_M_PRT_SW_SEQ_STS_THC_SS_CIP) {
+		dev_err_once(dev->dev, "THC PIO is still busy!\n");
+		return -EBUSY;
+	}
+
+	/* Clear error bit and complete bit in state register */
+	sts |= THC_M_PRT_SW_SEQ_STS_THC_SS_ERR |
+	       THC_M_PRT_SW_SEQ_STS_TSSDONE;
+	regmap_write(dev->thc_regmap, THC_M_PRT_SW_SEQ_STS_OFFSET, sts);
+
+	/* Set PIO data size, opcode and interrupt capability */
+	ctrl = FIELD_PREP(THC_M_PRT_SW_SEQ_CNTRL_THC_SS_BC, size) |
+	       FIELD_PREP(THC_M_PRT_SW_SEQ_CNTRL_THC_SS_CMD, pio_op);
+	if (dev->pio_int_supported)
+		ctrl |= THC_M_PRT_SW_SEQ_CNTRL_THC_SS_CD_IE;
+
+	mask = THC_M_PRT_SW_SEQ_CNTRL_THC_SS_BC |
+	       THC_M_PRT_SW_SEQ_CNTRL_THC_SS_CMD |
+	       THC_M_PRT_SW_SEQ_CNTRL_THC_SS_CD_IE;
+	regmap_write_bits(dev->thc_regmap,
+			  THC_M_PRT_SW_SEQ_CNTRL_OFFSET, mask, ctrl);
+
+	/* Set PIO target address */
+	addr = FIELD_PREP(THC_M_PRT_SW_SEQ_DATA0_ADDR_THC_SW_SEQ_DATA0_ADDR, address);
+	mask = THC_M_PRT_SW_SEQ_DATA0_ADDR_THC_SW_SEQ_DATA0_ADDR;
+	regmap_write_bits(dev->thc_regmap,
+			  THC_M_PRT_SW_SEQ_DATA0_ADDR_OFFSET, mask, addr);
+	return 0;
+}
+
+static void pio_start(const struct thc_device *dev,
+		      u32 size_in_bytes, const u32 *buffer)
+{
+	if (size_in_bytes && buffer)
+		regmap_bulk_write(dev->thc_regmap, THC_M_PRT_SW_SEQ_DATA1_OFFSET,
+				  buffer, size_in_bytes / sizeof(u32));
+
+	/* Enable Start bit */
+	regmap_write_bits(dev->thc_regmap,
+			  THC_M_PRT_SW_SEQ_CNTRL_OFFSET,
+			  THC_M_PRT_SW_SEQ_CNTRL_TSSGO,
+			  THC_M_PRT_SW_SEQ_CNTRL_TSSGO);
+}
+
+static int pio_complete(const struct thc_device *dev,
+			u32 *buffer, u32 *size)
+{
+	u32 sts, ctrl;
+
+	regmap_read(dev->thc_regmap, THC_M_PRT_SW_SEQ_STS_OFFSET, &sts);
+	if (sts & THC_M_PRT_SW_SEQ_STS_THC_SS_ERR) {
+		dev_err_once(dev->dev, "PIO operation error\n");
+		return -EBUSY;
+	}
+
+	if (buffer && size) {
+		regmap_read(dev->thc_regmap, THC_M_PRT_SW_SEQ_CNTRL_OFFSET, &ctrl);
+		*size = FIELD_GET(THC_M_PRT_SW_SEQ_CNTRL_THC_SS_BC, ctrl);
+
+		regmap_bulk_read(dev->thc_regmap, THC_M_PRT_SW_SEQ_DATA1_OFFSET,
+				 buffer, *size / sizeof(u32));
+	}
+
+	sts |= THC_M_PRT_SW_SEQ_STS_THC_SS_ERR | THC_M_PRT_SW_SEQ_STS_TSSDONE;
+	regmap_write(dev->thc_regmap, THC_M_PRT_SW_SEQ_STS_OFFSET, sts);
+	return 0;
+}
+
+static int pio_wait(const struct thc_device *dev)
+{
+	u32 sts = 0;
+	int ret;
+
+	ret = regmap_read_poll_timeout(dev->thc_regmap, THC_M_PRT_SW_SEQ_STS_OFFSET, sts,
+				       !(sts & THC_M_PRT_SW_SEQ_STS_THC_SS_CIP ||
+				       !(sts & THC_M_PRT_SW_SEQ_STS_TSSDONE)),
+				       THC_REGMAP_POLLING_INTERVAL_US, THC_PIO_DONE_TIMEOUT_US);
+	if (ret)
+		dev_err_once(dev->dev, "Timeout while polling PIO operation done\n");
+
+	return ret;
+}
+
+/**
+ * thc_tic_pio_read - Read data from touch device by PIO
+ *
+ * @dev: The pointer of THC private device context
+ * @address: Slave address for the PIO operation
+ * @size: Expected read data size
+ * @actual_size: The pointer of the actual data size read from touch device
+ * @buffer: The pointer of data buffer to store the data read from touch device
+ *
+ * Return: 0 on success, other error codes on failed.
+ */
+int thc_tic_pio_read(struct thc_device *dev, const u32 address,
+		     const u32 size, u32 *actual_size, u32 *buffer)
+{
+	u8 opcode;
+	int ret;
+
+	if (size <= 0 || !actual_size || !buffer) {
+		dev_err(dev->dev, "Invalid input parameters, size %u, actual_size %p, buffer %p\n",
+			size, actual_size, buffer);
+		return -EINVAL;
+	}
+
+	if (mutex_lock_interruptible(&dev->thc_bus_lock))
+		return -EINTR;
+
+	opcode = (dev->port_type == THC_PORT_TYPE_SPI) ?
+		 THC_PIO_OP_SPI_TIC_READ : THC_PIO_OP_I2C_TIC_READ;
+
+	ret = prepare_pio(dev, opcode, address, size);
+	if (ret < 0)
+		goto end;
+
+	pio_start(dev, 0, NULL);
+
+	ret = pio_wait(dev);
+	if (ret < 0)
+		goto end;
+
+	ret = pio_complete(dev, buffer, actual_size);
+
+end:
+	mutex_unlock(&dev->thc_bus_lock);
+	return ret;
+}
+EXPORT_SYMBOL_NS_GPL(thc_tic_pio_read, "INTEL_THC");
+
+/**
+ * thc_tic_pio_write - Write data to touch device by PIO
+ *
+ * @dev: The pointer of THC private device context
+ * @address: Slave address for the PIO operation
+ * @size: PIO write data size
+ * @buffer: The pointer of the write data buffer
+ *
+ * Return: 0 on success, other error codes on failed.
+ */
+int thc_tic_pio_write(struct thc_device *dev, const u32 address,
+		      const u32 size, const u32 *buffer)
+{
+	u8 opcode;
+	int ret;
+
+	if (size <= 0 || !buffer) {
+		dev_err(dev->dev, "Invalid input parameters, size %u, buffer %p\n",
+			size, buffer);
+		return -EINVAL;
+	}
+
+	if (mutex_lock_interruptible(&dev->thc_bus_lock))
+		return -EINTR;
+
+	opcode = (dev->port_type == THC_PORT_TYPE_SPI) ?
+		 THC_PIO_OP_SPI_TIC_WRITE : THC_PIO_OP_I2C_TIC_WRITE;
+
+	ret = prepare_pio(dev, opcode, address, size);
+	if (ret < 0)
+		goto end;
+
+	pio_start(dev, size, buffer);
+
+	ret = pio_wait(dev);
+	if (ret < 0)
+		goto end;
+
+	ret = pio_complete(dev, NULL, NULL);
+
+end:
+	mutex_unlock(&dev->thc_bus_lock);
+	return ret;
+}
+EXPORT_SYMBOL_NS_GPL(thc_tic_pio_write, "INTEL_THC");
+
+/**
+ * thc_tic_pio_write_and_read - Write data followed by read data by PIO
+ *
+ * @dev: The pointer of THC private device context
+ * @address: Slave address for the PIO operation
+ * @write_size: PIO write data size
+ * @write_buffer: The pointer of the write data buffer
+ * @read_size: Expected PIO read data size
+ * @actual_size: The pointer of the actual read data size
+ * @read_buffer: The pointer of PIO read data buffer
+ *
+ * Return: 0 on success, other error codes on failed.
+ */
+int thc_tic_pio_write_and_read(struct thc_device *dev, const u32 address,
+			       const u32 write_size, const u32 *write_buffer,
+			       const u32 read_size, u32 *actual_size, u32 *read_buffer)
+{
+	u32 i2c_ctrl, mask;
+	int ret;
+
+	if (dev->port_type == THC_PORT_TYPE_SPI) {
+		dev_err(dev->dev, "SPI port type doesn't support pio write and read!");
+		return -EINVAL;
+	}
+
+	if (mutex_lock_interruptible(&dev->thc_bus_lock))
+		return -EINTR;
+
+	/* Config i2c PIO write and read sequence */
+	i2c_ctrl = FIELD_PREP(THC_M_PRT_SW_SEQ_I2C_WR_CNTRL_THC_PIO_I2C_WBC, write_size);
+	mask = THC_M_PRT_SW_SEQ_I2C_WR_CNTRL_THC_PIO_I2C_WBC;
+
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_SW_SEQ_I2C_WR_CNTRL_OFFSET,
+			  mask, i2c_ctrl);
+
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_SW_SEQ_I2C_WR_CNTRL_OFFSET,
+			  THC_M_PRT_SW_SEQ_I2C_WR_CNTRL_THC_I2C_RW_PIO_EN,
+			  THC_M_PRT_SW_SEQ_I2C_WR_CNTRL_THC_I2C_RW_PIO_EN);
+
+	ret = prepare_pio(dev, THC_PIO_OP_I2C_TIC_WRITE_AND_READ, address, read_size);
+	if (ret < 0)
+		goto end;
+
+	pio_start(dev, write_size, write_buffer);
+
+	ret = pio_wait(dev);
+	if (ret < 0)
+		goto end;
+
+	ret = pio_complete(dev, read_buffer, actual_size);
+
+end:
+	mutex_unlock(&dev->thc_bus_lock);
+	return ret;
+}
+EXPORT_SYMBOL_NS_GPL(thc_tic_pio_write_and_read, "INTEL_THC");
+
+/**
+ * thc_interrupt_config - Configure THC interrupts
+ *
+ * @dev: The pointer of THC private device context
+ */
+void thc_interrupt_config(struct thc_device *dev)
+{
+	u32 mbits, mask, r_dma_ctrl_1;
+
+	/* Clear Error reporting interrupt status bits */
+	mbits = THC_M_PRT_INT_STATUS_TXN_ERR_INT_STS |
+		THC_M_PRT_INT_STATUS_FATAL_ERR_INT_STS;
+	regmap_write_bits(dev->thc_regmap,
+			  THC_M_PRT_INT_STATUS_OFFSET,
+			  mbits, mbits);
+
+	/* Enable Error Reporting Interrupts */
+	mbits = THC_M_PRT_INT_EN_TXN_ERR_INT_EN |
+		THC_M_PRT_INT_EN_FATAL_ERR_INT_EN |
+		THC_M_PRT_INT_EN_BUF_OVRRUN_ERR_INT_EN;
+	regmap_write_bits(dev->thc_regmap,
+			  THC_M_PRT_INT_EN_OFFSET,
+			  mbits, mbits);
+
+	/* Clear PIO Interrupt status bits */
+	mbits = THC_M_PRT_SW_SEQ_STS_THC_SS_ERR |
+		THC_M_PRT_SW_SEQ_STS_TSSDONE;
+	regmap_write_bits(dev->thc_regmap,
+			  THC_M_PRT_SW_SEQ_STS_OFFSET,
+			  mbits, mbits);
+
+	/* Read Interrupts */
+	regmap_read(dev->thc_regmap,
+		    THC_M_PRT_READ_DMA_CNTRL_1_OFFSET,
+		    &r_dma_ctrl_1);
+	/* Disable RxDMA1 */
+	r_dma_ctrl_1 &= ~THC_M_PRT_READ_DMA_CNTRL_IE_EOF;
+	regmap_write(dev->thc_regmap,
+		     THC_M_PRT_READ_DMA_CNTRL_1_OFFSET,
+		     r_dma_ctrl_1);
+
+	/* Ack EOF Interrupt RxDMA1 */
+	mbits = THC_M_PRT_READ_DMA_INT_STS_EOF_INT_STS;
+	/* Ack NonDMA Interrupt */
+	mbits |= THC_M_PRT_READ_DMA_INT_STS_NONDMA_INT_STS;
+	regmap_write_bits(dev->thc_regmap,
+			  THC_M_PRT_READ_DMA_INT_STS_1_OFFSET,
+			  mbits, mbits);
+
+	/* Ack EOF Interrupt RxDMA2 */
+	regmap_write_bits(dev->thc_regmap,
+			  THC_M_PRT_READ_DMA_INT_STS_2_OFFSET,
+			  THC_M_PRT_READ_DMA_INT_STS_EOF_INT_STS,
+			  THC_M_PRT_READ_DMA_INT_STS_EOF_INT_STS);
+
+	/* Write Interrupts */
+	/* Disable TxDMA */
+	regmap_write_bits(dev->thc_regmap,
+			  THC_M_PRT_WRITE_DMA_CNTRL_OFFSET,
+			  THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_IE_IOC_DMACPL,
+			  0);
+
+	/* Clear TxDMA interrupt status bits */
+	mbits = THC_M_PRT_WRITE_INT_STS_THC_WRDMA_ERROR_STS;
+	mbits |=  THC_M_PRT_WRITE_INT_STS_THC_WRDMA_IOC_STS;
+	regmap_write_bits(dev->thc_regmap,
+			  THC_M_PRT_WRITE_INT_STS_OFFSET,
+			  mbits, mbits);
+
+	/* Enable Non-DMA device inband interrupt */
+	r_dma_ctrl_1 |= THC_M_PRT_READ_DMA_CNTRL_IE_NDDI;
+	regmap_write(dev->thc_regmap,
+		     THC_M_PRT_READ_DMA_CNTRL_1_OFFSET,
+		     r_dma_ctrl_1);
+
+	if (dev->port_type == THC_PORT_TYPE_SPI) {
+		/* Edge triggered interrupt */
+		regmap_write_bits(dev->thc_regmap, THC_M_PRT_TSEQ_CNTRL_1_OFFSET,
+				  THC_M_PRT_TSEQ_CNTRL_1_INT_EDG_DET_EN,
+				  THC_M_PRT_TSEQ_CNTRL_1_INT_EDG_DET_EN);
+	} else {
+		/* Level triggered interrupt */
+		regmap_write_bits(dev->thc_regmap, THC_M_PRT_TSEQ_CNTRL_1_OFFSET,
+				  THC_M_PRT_TSEQ_CNTRL_1_INT_EDG_DET_EN, 0);
+
+		mbits = THC_M_PRT_INT_EN_THC_I2C_IC_MST_ON_HOLD_INT_EN |
+			THC_M_PRT_INT_EN_THC_I2C_IC_SCL_STUCK_AT_LOW_DET_INT_EN |
+			THC_M_PRT_INT_EN_THC_I2C_IC_TX_ABRT_INT_EN |
+			THC_M_PRT_INT_EN_THC_I2C_IC_TX_OVER_INT_EN |
+			THC_M_PRT_INT_EN_THC_I2C_IC_RX_FULL_INT_EN |
+			THC_M_PRT_INT_EN_THC_I2C_IC_RX_OVER_INT_EN |
+			THC_M_PRT_INT_EN_THC_I2C_IC_RX_UNDER_INT_EN;
+		regmap_write_bits(dev->thc_regmap, THC_M_PRT_INT_EN_OFFSET,
+				  mbits, mbits);
+	}
+
+	thc_set_pio_interrupt_support(dev, false);
+
+	/* HIDSPI specific settings */
+	if (dev->port_type == THC_PORT_TYPE_SPI) {
+		mbits = FIELD_PREP(THC_M_PRT_DEVINT_CFG_1_THC_M_PRT_INTTYP_OFFSET,
+				   THC_BIT_OFFSET_INTERRUPT_TYPE) |
+			FIELD_PREP(THC_M_PRT_DEVINT_CFG_1_THC_M_PRT_INTTYP_LEN,
+				   THC_BIT_LENGTH_INTERRUPT_TYPE) |
+			FIELD_PREP(THC_M_PRT_DEVINT_CFG_1_THC_M_PRT_EOF_OFFSET,
+				   THC_BIT_OFFSET_LAST_FRAGMENT_FLAG) |
+			FIELD_PREP(THC_M_PRT_DEVINT_CFG_1_THC_M_PRT_INTTYP_DATA_VAL,
+				   THC_BITMASK_INVALID_TYPE_DATA);
+		mask = THC_M_PRT_DEVINT_CFG_1_THC_M_PRT_INTTYP_OFFSET |
+		       THC_M_PRT_DEVINT_CFG_1_THC_M_PRT_INTTYP_LEN |
+		       THC_M_PRT_DEVINT_CFG_1_THC_M_PRT_EOF_OFFSET |
+		       THC_M_PRT_DEVINT_CFG_1_THC_M_PRT_INTTYP_DATA_VAL;
+		regmap_write_bits(dev->thc_regmap, THC_M_PRT_DEVINT_CFG_1_OFFSET,
+				  mask, mbits);
+
+		mbits = FIELD_PREP(THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_UFSIZE_OFFSET,
+				   THC_BIT_OFFSET_MICROFRAME_SIZE) |
+			FIELD_PREP(THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_UFSIZE_LEN,
+				   THC_BIT_LENGTH_MICROFRAME_SIZE) |
+			FIELD_PREP(THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_UFSIZE_UNIT,
+				   THC_UNIT_MICROFRAME_SIZE) |
+			THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_FTYPE_IGNORE |
+			THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_FTYPE_VAL;
+		mask = THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_UFSIZE_OFFSET |
+		       THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_UFSIZE_LEN |
+		       THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_UFSIZE_UNIT |
+		       THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_FTYPE_IGNORE |
+		       THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_FTYPE_VAL;
+		regmap_write_bits(dev->thc_regmap, THC_M_PRT_DEVINT_CFG_2_OFFSET,
+				  mask, mbits);
+	}
+}
+EXPORT_SYMBOL_NS_GPL(thc_interrupt_config, "INTEL_THC");
+
+/**
+ * thc_int_trigger_type_select - Select THC interrupt trigger type
+ *
+ * @dev: the pointer of THC private device context
+ * @edge_trigger: determine the interrupt is edge triggered or level triggered
+ */
+void thc_int_trigger_type_select(struct thc_device *dev, bool edge_trigger)
+{
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_TSEQ_CNTRL_1_OFFSET,
+			  THC_M_PRT_TSEQ_CNTRL_1_INT_EDG_DET_EN,
+			  edge_trigger ? THC_M_PRT_TSEQ_CNTRL_1_INT_EDG_DET_EN : 0);
+}
+EXPORT_SYMBOL_NS_GPL(thc_int_trigger_type_select, "INTEL_THC");
+
+/**
+ * thc_interrupt_enable - Enable or disable THC interrupt
+ *
+ * @dev: the pointer of THC private device context
+ * @int_enable: the flag to control THC interrupt enable or disable
+ */
+void thc_interrupt_enable(struct thc_device *dev, bool int_enable)
+{
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_INT_EN_OFFSET,
+			  THC_M_PRT_INT_EN_GBL_INT_EN,
+			  int_enable ? THC_M_PRT_INT_EN_GBL_INT_EN : 0);
+}
+EXPORT_SYMBOL_NS_GPL(thc_interrupt_enable, "INTEL_THC");
+
+/**
+ * thc_interrupt_quiesce - Quiesce or unquiesce external touch device interrupt
+ *
+ * @dev: the pointer of THC private device context
+ * @int_quiesce: the flag to determine quiesce or unquiesce device interrupt
+ *
+ * Return: 0 on success, other error codes on failed
+ */
+int thc_interrupt_quiesce(const struct thc_device *dev, bool int_quiesce)
+{
+	u32 ctrl;
+	int ret;
+
+	regmap_read(dev->thc_regmap, THC_M_PRT_CONTROL_OFFSET, &ctrl);
+	if (!(ctrl & THC_M_PRT_CONTROL_THC_DEVINT_QUIESCE_EN) && !int_quiesce) {
+		dev_warn(dev->dev, "THC interrupt already unquiesce\n");
+		return 0;
+	}
+
+	if ((ctrl & THC_M_PRT_CONTROL_THC_DEVINT_QUIESCE_EN) && int_quiesce) {
+		dev_warn(dev->dev, "THC interrupt already quiesce\n");
+		return 0;
+	}
+
+	/* Quiesce device interrupt - Set quiesce bit and waiting for THC HW to ACK */
+	if (int_quiesce)
+		regmap_write_bits(dev->thc_regmap, THC_M_PRT_CONTROL_OFFSET,
+				  THC_M_PRT_CONTROL_THC_DEVINT_QUIESCE_EN,
+				  THC_M_PRT_CONTROL_THC_DEVINT_QUIESCE_EN);
+
+	ret = regmap_read_poll_timeout(dev->thc_regmap, THC_M_PRT_CONTROL_OFFSET, ctrl,
+				       ctrl & THC_M_PRT_CONTROL_THC_DEVINT_QUIESCE_HW_STS,
+				       THC_REGMAP_POLLING_INTERVAL_US, THC_QUIESCE_EN_TIMEOUT_US);
+	if (ret) {
+		dev_err_once(dev->dev,
+			     "Timeout while waiting THC idle, target quiesce state = %s\n",
+			     int_quiesce ? "true" : "false");
+		return ret;
+	}
+
+	/* Unquiesce device interrupt - Clear the quiesce bit */
+	if (!int_quiesce)
+		regmap_write_bits(dev->thc_regmap, THC_M_PRT_CONTROL_OFFSET,
+				  THC_M_PRT_CONTROL_THC_DEVINT_QUIESCE_EN, 0);
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(thc_interrupt_quiesce, "INTEL_THC");
+
+/**
+ * thc_set_pio_interrupt_support - Determine PIO interrupt is supported or not
+ *
+ * @dev: The pointer of THC private device context
+ * @supported: The flag to determine enabling PIO interrupt or not
+ */
+void thc_set_pio_interrupt_support(struct thc_device *dev, bool supported)
+{
+	dev->pio_int_supported = supported;
+}
+EXPORT_SYMBOL_NS_GPL(thc_set_pio_interrupt_support, "INTEL_THC");
+
+/**
+ * thc_ltr_config - Configure THC Latency Tolerance Reporting(LTR) settings
+ *
+ * @dev: The pointer of THC private device context
+ * @active_ltr_us: active LTR value, unit is us
+ * @lp_ltr_us: low power LTR value, unit is us
+ */
+void thc_ltr_config(struct thc_device *dev, u32 active_ltr_us, u32 lp_ltr_us)
+{
+	u32 active_ltr_scale, lp_ltr_scale, ltr_ctrl, ltr_mask, orig, tmp;
+
+	if (active_ltr_us >= THC_LTR_MIN_VAL_SCALE_3 &&
+	    active_ltr_us < THC_LTR_MAX_VAL_SCALE_3) {
+		active_ltr_scale = THC_LTR_SCALE_3;
+		active_ltr_us = active_ltr_us >> 5;
+	} else if (active_ltr_us >= THC_LTR_MIN_VAL_SCALE_4 &&
+		   active_ltr_us < THC_LTR_MAX_VAL_SCALE_4) {
+		active_ltr_scale = THC_LTR_SCALE_4;
+		active_ltr_us = active_ltr_us >> 10;
+	} else if (active_ltr_us >= THC_LTR_MIN_VAL_SCALE_5 &&
+		   active_ltr_us < THC_LTR_MAX_VAL_SCALE_5) {
+		active_ltr_scale = THC_LTR_SCALE_5;
+		active_ltr_us = active_ltr_us >> 15;
+	} else {
+		active_ltr_scale = THC_LTR_SCALE_2;
+	}
+
+	if (lp_ltr_us >= THC_LTR_MIN_VAL_SCALE_3 &&
+	    lp_ltr_us < THC_LTR_MAX_VAL_SCALE_3) {
+		lp_ltr_scale = THC_LTR_SCALE_3;
+		lp_ltr_us = lp_ltr_us >> 5;
+	} else if (lp_ltr_us >= THC_LTR_MIN_VAL_SCALE_4 &&
+		   lp_ltr_us < THC_LTR_MAX_VAL_SCALE_4) {
+		lp_ltr_scale = THC_LTR_SCALE_4;
+		lp_ltr_us = lp_ltr_us >> 10;
+	} else if (lp_ltr_us >= THC_LTR_MIN_VAL_SCALE_5 &&
+		   lp_ltr_us < THC_LTR_MAX_VAL_SCALE_5) {
+		lp_ltr_scale = THC_LTR_SCALE_5;
+		lp_ltr_us = lp_ltr_us >> 15;
+	} else {
+		lp_ltr_scale = THC_LTR_SCALE_2;
+	}
+
+	regmap_read(dev->thc_regmap, THC_M_CMN_LTR_CTRL_OFFSET, &orig);
+	ltr_ctrl = FIELD_PREP(THC_M_CMN_LTR_CTRL_ACT_LTR_VAL, active_ltr_us) |
+		   FIELD_PREP(THC_M_CMN_LTR_CTRL_ACT_LTR_SCALE, active_ltr_scale) |
+		   THC_M_CMN_LTR_CTRL_ACTIVE_LTR_REQ |
+		   THC_M_CMN_LTR_CTRL_ACTIVE_LTR_EN |
+		   FIELD_PREP(THC_M_CMN_LTR_CTRL_LP_LTR_VAL, lp_ltr_us) |
+		   FIELD_PREP(THC_M_CMN_LTR_CTRL_LP_LTR_SCALE, lp_ltr_scale) |
+		   THC_M_CMN_LTR_CTRL_LP_LTR_REQ;
+
+	ltr_mask = THC_M_CMN_LTR_CTRL_ACT_LTR_VAL |
+		   THC_M_CMN_LTR_CTRL_ACT_LTR_SCALE |
+		   THC_M_CMN_LTR_CTRL_ACTIVE_LTR_REQ |
+		   THC_M_CMN_LTR_CTRL_ACTIVE_LTR_EN |
+		   THC_M_CMN_LTR_CTRL_LP_LTR_VAL |
+		   THC_M_CMN_LTR_CTRL_LP_LTR_SCALE |
+		   THC_M_CMN_LTR_CTRL_LP_LTR_REQ |
+		   THC_M_CMN_LTR_CTRL_LP_LTR_EN;
+
+	tmp = orig & ~ltr_mask;
+	tmp |= ltr_ctrl & ltr_mask;
+
+	regmap_write(dev->thc_regmap, THC_M_CMN_LTR_CTRL_OFFSET, tmp);
+}
+EXPORT_SYMBOL_NS_GPL(thc_ltr_config, "INTEL_THC");
+
+/**
+ * thc_change_ltr_mode - Change THC LTR mode
+ *
+ * @dev: The pointer of THC private device context
+ * @ltr_mode: LTR mode(active or low power)
+ */
+void thc_change_ltr_mode(struct thc_device *dev, u32 ltr_mode)
+{
+	if (ltr_mode == THC_LTR_MODE_ACTIVE) {
+		regmap_write_bits(dev->thc_regmap, THC_M_CMN_LTR_CTRL_OFFSET,
+				  THC_M_CMN_LTR_CTRL_LP_LTR_EN, 0);
+		regmap_write_bits(dev->thc_regmap, THC_M_CMN_LTR_CTRL_OFFSET,
+				  THC_M_CMN_LTR_CTRL_ACTIVE_LTR_EN,
+				  THC_M_CMN_LTR_CTRL_ACTIVE_LTR_EN);
+		return;
+	}
+
+	regmap_write_bits(dev->thc_regmap, THC_M_CMN_LTR_CTRL_OFFSET,
+			  THC_M_CMN_LTR_CTRL_ACTIVE_LTR_EN, 0);
+	regmap_write_bits(dev->thc_regmap, THC_M_CMN_LTR_CTRL_OFFSET,
+			  THC_M_CMN_LTR_CTRL_LP_LTR_EN,
+			  THC_M_CMN_LTR_CTRL_LP_LTR_EN);
+}
+EXPORT_SYMBOL_NS_GPL(thc_change_ltr_mode, "INTEL_THC");
+
+/**
+ * thc_ltr_unconfig - Unconfigure THC Latency Tolerance Reporting(LTR) settings
+ *
+ * @dev: The pointer of THC private device context
+ */
+void thc_ltr_unconfig(struct thc_device *dev)
+{
+	u32 ltr_ctrl, bits_clear;
+
+	regmap_read(dev->thc_regmap, THC_M_CMN_LTR_CTRL_OFFSET, &ltr_ctrl);
+	bits_clear = THC_M_CMN_LTR_CTRL_LP_LTR_EN |
+			THC_M_CMN_LTR_CTRL_ACTIVE_LTR_EN |
+			THC_M_CMN_LTR_CTRL_LP_LTR_REQ |
+			THC_M_CMN_LTR_CTRL_ACTIVE_LTR_REQ;
+
+	ltr_ctrl &= ~bits_clear;
+
+	regmap_write(dev->thc_regmap, THC_M_CMN_LTR_CTRL_OFFSET, ltr_ctrl);
+}
+EXPORT_SYMBOL_NS_GPL(thc_ltr_unconfig, "INTEL_THC");
+
+/**
+ * thc_int_cause_read - Read interrupt cause register value
+ *
+ * @dev: The pointer of THC private device context
+ *
+ * Return: The interrupt cause register value
+ */
+u32 thc_int_cause_read(struct thc_device *dev)
+{
+	u32 int_cause;
+
+	regmap_read(dev->thc_regmap,
+		    THC_M_PRT_DEV_INT_CAUSE_REG_VAL_OFFSET, &int_cause);
+
+	return int_cause;
+}
+EXPORT_SYMBOL_NS_GPL(thc_int_cause_read, "INTEL_THC");
+
+static void thc_print_txn_error_cause(const struct thc_device *dev)
+{
+	bool known_error = false;
+	u32 cause = 0;
+
+	regmap_read(dev->thc_regmap, THC_M_PRT_ERR_CAUSE_OFFSET, &cause);
+
+	if (cause & THC_M_PRT_ERR_CAUSE_PRD_ENTRY_ERR) {
+		dev_err(dev->dev, "TXN Error: Invalid PRD Entry\n");
+		known_error = true;
+	}
+	if (cause & THC_M_PRT_ERR_CAUSE_BUF_OVRRUN_ERR) {
+		dev_err(dev->dev, "TXN Error: THC Buffer Overrun\n");
+		known_error = true;
+	}
+	if (cause & THC_M_PRT_ERR_CAUSE_FRAME_BABBLE_ERR) {
+		dev_err(dev->dev, "TXN Error: Frame Babble\n");
+		known_error = true;
+	}
+	if (cause & THC_M_PRT_ERR_CAUSE_INVLD_DEV_ENTRY) {
+		dev_err(dev->dev, "TXN Error: Invalid Device Register Setting\n");
+		known_error = true;
+	}
+
+	/* Clear interrupt status bits */
+	regmap_write(dev->thc_regmap, THC_M_PRT_ERR_CAUSE_OFFSET, cause);
+
+	if (!known_error)
+		dev_err(dev->dev, "TXN Error does not match any known value: 0x%X\n",
+			cause);
+}
+
+/**
+ * thc_interrupt_handler - Handle THC interrupts
+ *
+ * THC interrupts include several types: external touch device (TIC) non-DMA
+ * interrupts, PIO completion interrupts, DMA interrtups, I2C subIP raw
+ * interrupts and error interrupts.
+ *
+ * This is a help function for interrupt processing, it detects interrupt
+ * type, clear the interrupt status bit and return the interrupt type to caller
+ * for future processing.
+ *
+ * @dev: The pointer of THC private device context
+ *
+ * Return: The combined flag for interrupt type
+ */
+int thc_interrupt_handler(struct thc_device *dev)
+{
+	u32 read_sts_1, read_sts_2, read_sts_sw, write_sts;
+	u32 int_sts, err_cause, seq_cntrl, seq_sts;
+	int interrupt_type = 0;
+
+	regmap_read(dev->thc_regmap,
+		    THC_M_PRT_READ_DMA_INT_STS_1_OFFSET, &read_sts_1);
+
+	if (read_sts_1 & THC_M_PRT_READ_DMA_INT_STS_NONDMA_INT_STS) {
+		dev_dbg(dev->dev, "THC non-DMA device interrupt\n");
+
+		regmap_write(dev->thc_regmap, THC_M_PRT_READ_DMA_INT_STS_1_OFFSET,
+			     NONDMA_INT_STS_BIT);
+
+		interrupt_type |= BIT(THC_NONDMA_INT);
+
+		return interrupt_type;
+	}
+
+	regmap_read(dev->thc_regmap, THC_M_PRT_INT_STATUS_OFFSET, &int_sts);
+
+	if (int_sts & THC_M_PRT_INT_STATUS_TXN_ERR_INT_STS) {
+		dev_err(dev->dev, "THC transaction error, int_sts: 0x%08X\n", int_sts);
+		thc_print_txn_error_cause(dev);
+
+		regmap_write(dev->thc_regmap, THC_M_PRT_INT_STATUS_OFFSET,
+			     TXN_ERR_INT_STS_BIT);
+
+		interrupt_type |= BIT(THC_TXN_ERR_INT);
+
+		return interrupt_type;
+	}
+
+	regmap_read(dev->thc_regmap, THC_M_PRT_ERR_CAUSE_OFFSET, &err_cause);
+	regmap_read(dev->thc_regmap,
+		    THC_M_PRT_READ_DMA_INT_STS_2_OFFSET, &read_sts_2);
+
+	if (err_cause & THC_M_PRT_ERR_CAUSE_BUF_OVRRUN_ERR ||
+	    read_sts_1 & THC_M_PRT_READ_DMA_INT_STS_STALL_STS ||
+	    read_sts_2 & THC_M_PRT_READ_DMA_INT_STS_STALL_STS) {
+		dev_err(dev->dev, "Buffer overrun or RxDMA engine stalled!\n");
+		thc_print_txn_error_cause(dev);
+
+		regmap_write(dev->thc_regmap, THC_M_PRT_READ_DMA_INT_STS_2_OFFSET,
+			     THC_M_PRT_READ_DMA_INT_STS_STALL_STS);
+		regmap_write(dev->thc_regmap, THC_M_PRT_READ_DMA_INT_STS_1_OFFSET,
+			     THC_M_PRT_READ_DMA_INT_STS_STALL_STS);
+		regmap_write(dev->thc_regmap, THC_M_PRT_ERR_CAUSE_OFFSET,
+			     THC_M_PRT_ERR_CAUSE_BUF_OVRRUN_ERR);
+
+		interrupt_type |= BIT(THC_TXN_ERR_INT);
+
+		return interrupt_type;
+	}
+
+	if (int_sts & THC_M_PRT_INT_STATUS_FATAL_ERR_INT_STS) {
+		dev_err_once(dev->dev, "THC FATAL error, int_sts: 0x%08X\n", int_sts);
+
+		regmap_write(dev->thc_regmap, THC_M_PRT_INT_STATUS_OFFSET,
+			     TXN_FATAL_INT_STS_BIT);
+
+		interrupt_type |= BIT(THC_FATAL_ERR_INT);
+
+		return interrupt_type;
+	}
+
+	regmap_read(dev->thc_regmap,
+		    THC_M_PRT_SW_SEQ_CNTRL_OFFSET, &seq_cntrl);
+	regmap_read(dev->thc_regmap,
+		    THC_M_PRT_SW_SEQ_STS_OFFSET, &seq_sts);
+
+	if (seq_cntrl & THC_M_PRT_SW_SEQ_CNTRL_THC_SS_CD_IE &&
+	    seq_sts & THC_M_PRT_SW_SEQ_STS_TSSDONE) {
+		dev_dbg(dev->dev, "THC_SS_CD_IE and TSSDONE are set\n");
+		interrupt_type |= BIT(THC_PIO_DONE_INT);
+	}
+
+	if (read_sts_1 & THC_M_PRT_READ_DMA_INT_STS_EOF_INT_STS) {
+		dev_dbg(dev->dev, "Got RxDMA1 Read Interrupt\n");
+
+		regmap_write(dev->thc_regmap,
+			     THC_M_PRT_READ_DMA_INT_STS_1_OFFSET, read_sts_1);
+
+		interrupt_type |= BIT(THC_RXDMA1_INT);
+	}
+
+	if (read_sts_2 & THC_M_PRT_READ_DMA_INT_STS_EOF_INT_STS) {
+		dev_dbg(dev->dev, "Got RxDMA2 Read Interrupt\n");
+
+		regmap_write(dev->thc_regmap,
+			     THC_M_PRT_READ_DMA_INT_STS_2_OFFSET, read_sts_2);
+
+		interrupt_type |= BIT(THC_RXDMA2_INT);
+	}
+
+	regmap_read(dev->thc_regmap,
+		    THC_M_PRT_READ_DMA_INT_STS_SW_OFFSET, &read_sts_sw);
+
+	if (read_sts_sw & THC_M_PRT_READ_DMA_INT_STS_DMACPL_STS) {
+		dev_dbg(dev->dev, "Got SwDMA Read Interrupt\n");
+
+		regmap_write(dev->thc_regmap,
+			     THC_M_PRT_READ_DMA_INT_STS_SW_OFFSET, read_sts_sw);
+
+		dev->swdma_done = true;
+		wake_up_interruptible(&dev->swdma_complete_wait);
+
+		interrupt_type |= BIT(THC_SWDMA_INT);
+	}
+
+	regmap_read(dev->thc_regmap,
+		    THC_M_PRT_WRITE_INT_STS_OFFSET, &write_sts);
+
+	if (write_sts & THC_M_PRT_WRITE_INT_STS_THC_WRDMA_CMPL_STATUS) {
+		dev_dbg(dev->dev, "Got TxDMA Write complete Interrupt\n");
+
+		regmap_write(dev->thc_regmap,
+			     THC_M_PRT_WRITE_INT_STS_OFFSET, write_sts);
+
+		dev->write_done = true;
+		wake_up_interruptible(&dev->write_complete_wait);
+
+		interrupt_type |= BIT(THC_TXDMA_INT);
+	}
+
+	if (int_sts & THC_M_PRT_INT_STATUS_DEV_RAW_INT_STS) {
+		regmap_write(dev->thc_regmap, THC_M_PRT_INT_STATUS_OFFSET,
+			     THC_M_PRT_INT_STATUS_DEV_RAW_INT_STS);
+		interrupt_type |= BIT(THC_I2CSUBIP_INT);
+	}
+	if (int_sts & THC_M_PRT_INT_STATUS_THC_I2C_IC_RX_UNDER_INT_STS) {
+		regmap_write(dev->thc_regmap, THC_M_PRT_INT_STATUS_OFFSET,
+			     THC_M_PRT_INT_STATUS_THC_I2C_IC_RX_UNDER_INT_STS);
+		interrupt_type |= BIT(THC_I2CSUBIP_INT);
+	}
+	if (int_sts & THC_M_PRT_INT_STATUS_THC_I2C_IC_RX_OVER_INT_STS) {
+		regmap_write(dev->thc_regmap, THC_M_PRT_INT_STATUS_OFFSET,
+			     THC_M_PRT_INT_STATUS_THC_I2C_IC_RX_OVER_INT_STS);
+		interrupt_type |= BIT(THC_I2CSUBIP_INT);
+	}
+	if (int_sts & THC_M_PRT_INT_STATUS_THC_I2C_IC_RX_FULL_INT_STS) {
+		regmap_write(dev->thc_regmap, THC_M_PRT_INT_STATUS_OFFSET,
+			     THC_M_PRT_INT_STATUS_THC_I2C_IC_RX_FULL_INT_STS);
+		interrupt_type |= BIT(THC_I2CSUBIP_INT);
+	}
+	if (int_sts & THC_M_PRT_INT_STATUS_THC_I2C_IC_TX_OVER_INT_STS) {
+		regmap_write(dev->thc_regmap, THC_M_PRT_INT_STATUS_OFFSET,
+			     THC_M_PRT_INT_STATUS_THC_I2C_IC_TX_OVER_INT_STS);
+		interrupt_type |= BIT(THC_I2CSUBIP_INT);
+	}
+	if (int_sts & THC_M_PRT_INT_STATUS_THC_I2C_IC_TX_EMPTY_INT_STS) {
+		regmap_write(dev->thc_regmap, THC_M_PRT_INT_STATUS_OFFSET,
+			     THC_M_PRT_INT_STATUS_THC_I2C_IC_TX_EMPTY_INT_STS);
+		interrupt_type |= BIT(THC_I2CSUBIP_INT);
+	}
+	if (int_sts & THC_M_PRT_INT_STATUS_THC_I2C_IC_TX_ABRT_INT_STS) {
+		regmap_write(dev->thc_regmap, THC_M_PRT_INT_STATUS_OFFSET,
+			     THC_M_PRT_INT_STATUS_THC_I2C_IC_TX_ABRT_INT_STS);
+		interrupt_type |= BIT(THC_I2CSUBIP_INT);
+	}
+	if (int_sts & THC_M_PRT_INT_STATUS_THC_I2C_IC_ACTIVITY_INT_STS) {
+		regmap_write(dev->thc_regmap, THC_M_PRT_INT_STATUS_OFFSET,
+			     THC_M_PRT_INT_STATUS_THC_I2C_IC_ACTIVITY_INT_STS);
+		interrupt_type |= BIT(THC_I2CSUBIP_INT);
+	}
+	if (int_sts & THC_M_PRT_INT_STATUS_THC_I2C_IC_SCL_STUCK_AT_LOW_INT_STS) {
+		regmap_write(dev->thc_regmap, THC_M_PRT_INT_STATUS_OFFSET,
+			     THC_M_PRT_INT_STATUS_THC_I2C_IC_SCL_STUCK_AT_LOW_INT_STS);
+		interrupt_type |= BIT(THC_I2CSUBIP_INT);
+	}
+	if (int_sts & THC_M_PRT_INT_STATUS_THC_I2C_IC_STOP_DET_INT_STS) {
+		regmap_write(dev->thc_regmap, THC_M_PRT_INT_STATUS_OFFSET,
+			     THC_M_PRT_INT_STATUS_THC_I2C_IC_STOP_DET_INT_STS);
+		interrupt_type |= BIT(THC_I2CSUBIP_INT);
+	}
+	if (int_sts & THC_M_PRT_INT_STATUS_THC_I2C_IC_START_DET_INT_STS) {
+		regmap_write(dev->thc_regmap, THC_M_PRT_INT_STATUS_OFFSET,
+			     THC_M_PRT_INT_STATUS_THC_I2C_IC_START_DET_INT_STS);
+		interrupt_type |= BIT(THC_I2CSUBIP_INT);
+	}
+	if (int_sts & THC_M_PRT_INT_STATUS_THC_I2C_IC_MST_ON_HOLD_INT_STS) {
+		regmap_write(dev->thc_regmap, THC_M_PRT_INT_STATUS_OFFSET,
+			     THC_M_PRT_INT_STATUS_THC_I2C_IC_MST_ON_HOLD_INT_STS);
+		interrupt_type |= BIT(THC_I2CSUBIP_INT);
+	}
+
+	if (!interrupt_type)
+		interrupt_type |= BIT(THC_UNKNOWN_INT);
+
+	return interrupt_type;
+}
+EXPORT_SYMBOL_NS_GPL(thc_interrupt_handler, "INTEL_THC");
+
+/**
+ * thc_port_select - Set THC port type
+ *
+ * @dev: The pointer of THC private device context
+ * @port_type: THC port type to use for current device
+ *
+ * Return: 0 on success, other error codes on failed.
+ */
+int thc_port_select(struct thc_device *dev, enum thc_port_type port_type)
+{
+	u32 ctrl, mask;
+
+	if (port_type == THC_PORT_TYPE_SPI) {
+		dev_dbg(dev->dev, "Set THC port type to SPI\n");
+		dev->port_type = THC_PORT_TYPE_SPI;
+
+		/* Enable delay of CS assertion and set to default value */
+		ctrl = THC_M_PRT_SPI_DUTYC_CFG_SPI_CSA_CK_DELAY_EN |
+		       FIELD_PREP(THC_M_PRT_SPI_DUTYC_CFG_SPI_CSA_CK_DELAY_VAL,
+				  THC_CSA_CK_DELAY_VAL_DEFAULT);
+		mask = THC_M_PRT_SPI_DUTYC_CFG_SPI_CSA_CK_DELAY_EN |
+		       THC_M_PRT_SPI_DUTYC_CFG_SPI_CSA_CK_DELAY_VAL;
+		regmap_write_bits(dev->thc_regmap, THC_M_PRT_SPI_DUTYC_CFG_OFFSET,
+				  mask, ctrl);
+	} else if (port_type == THC_PORT_TYPE_I2C) {
+		dev_dbg(dev->dev, "Set THC port type to I2C\n");
+		dev->port_type = THC_PORT_TYPE_I2C;
+
+		/* Set THC transition arbitration policy to frame boundary for I2C */
+		ctrl = FIELD_PREP(THC_M_PRT_CONTROL_THC_ARB_POLICY,
+				  THC_ARB_POLICY_FRAME_BOUNDARY);
+		mask = THC_M_PRT_CONTROL_THC_ARB_POLICY;
+
+		regmap_write_bits(dev->thc_regmap, THC_M_PRT_CONTROL_OFFSET, mask, ctrl);
+	} else {
+		dev_err(dev->dev, "unsupported THC port type: %d\n", port_type);
+		return -EINVAL;
+	}
+
+	ctrl = FIELD_PREP(THC_M_PRT_CONTROL_PORT_TYPE, port_type);
+	mask = THC_M_PRT_CONTROL_PORT_TYPE;
+
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_CONTROL_OFFSET, mask, ctrl);
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(thc_port_select, "INTEL_THC");
+
+#define THC_SPI_FREQUENCY_7M	7812500
+#define THC_SPI_FREQUENCY_15M	15625000
+#define THC_SPI_FREQUENCY_17M	17857100
+#define THC_SPI_FREQUENCY_20M	20833000
+#define THC_SPI_FREQUENCY_25M	25000000
+#define THC_SPI_FREQUENCY_31M	31250000
+#define THC_SPI_FREQUENCY_41M	41666700
+
+#define THC_SPI_LOW_FREQUENCY	THC_SPI_FREQUENCY_17M
+
+static u8 thc_get_spi_freq_div_val(struct thc_device *dev, u32 spi_freq_val)
+{
+	int frequency[] = {
+		THC_SPI_FREQUENCY_7M,
+		THC_SPI_FREQUENCY_15M,
+		THC_SPI_FREQUENCY_17M,
+		THC_SPI_FREQUENCY_20M,
+		THC_SPI_FREQUENCY_25M,
+		THC_SPI_FREQUENCY_31M,
+		THC_SPI_FREQUENCY_41M,
+	};
+	u8 frequency_div[] = {
+		THC_SPI_FRQ_DIV_2,
+		THC_SPI_FRQ_DIV_1,
+		THC_SPI_FRQ_DIV_7,
+		THC_SPI_FRQ_DIV_6,
+		THC_SPI_FRQ_DIV_5,
+		THC_SPI_FRQ_DIV_4,
+		THC_SPI_FRQ_DIV_3,
+	};
+	int size = ARRAY_SIZE(frequency);
+	u32 closest_freq;
+	u8 freq_div;
+	int i;
+
+	for (i = size - 1; i >= 0; i--)
+		if ((int)spi_freq_val - frequency[i] >= 0)
+			break;
+
+	if (i < 0) {
+		dev_err_once(dev->dev, "Not supported SPI frequency %d\n", spi_freq_val);
+		return THC_SPI_FRQ_RESERVED;
+	}
+
+	closest_freq = frequency[i];
+	freq_div = frequency_div[i];
+
+	dev_dbg(dev->dev,
+		"Setting SPI frequency: spi_freq_val = %u, Closest freq = %u\n",
+		spi_freq_val, closest_freq);
+
+	return freq_div;
+}
+
+/**
+ * thc_spi_read_config - Configure SPI bus read attributes
+ *
+ * @dev: The pointer of THC private device context
+ * @spi_freq_val: SPI read frequecy value
+ * @io_mode: SPI read IO mode
+ * @opcode: Read opcode
+ * @spi_rd_mps: SPI read max packet size
+ *
+ * Return: 0 on success, other error codes on failed.
+ */
+int thc_spi_read_config(struct thc_device *dev, u32 spi_freq_val,
+			u32 io_mode, u32 opcode, u32 spi_rd_mps)
+{
+	bool is_low_freq = false;
+	u32 cfg, mask;
+	u8 freq_div;
+
+	freq_div = thc_get_spi_freq_div_val(dev, spi_freq_val);
+	if (freq_div == THC_SPI_FRQ_RESERVED)
+		return -EINVAL;
+
+	if (spi_freq_val < THC_SPI_LOW_FREQUENCY)
+		is_low_freq = true;
+
+	cfg = FIELD_PREP(THC_M_PRT_SPI_CFG_SPI_TCRF, freq_div) |
+	      FIELD_PREP(THC_M_PRT_SPI_CFG_SPI_TRMODE, io_mode) |
+	      (is_low_freq ? THC_M_PRT_SPI_CFG_SPI_LOW_FREQ_EN : 0) |
+	      FIELD_PREP(THC_M_PRT_SPI_CFG_SPI_RD_MPS, spi_rd_mps);
+	mask = THC_M_PRT_SPI_CFG_SPI_TCRF |
+	       THC_M_PRT_SPI_CFG_SPI_TRMODE |
+	       THC_M_PRT_SPI_CFG_SPI_LOW_FREQ_EN |
+	       THC_M_PRT_SPI_CFG_SPI_RD_MPS;
+
+	regmap_write_bits(dev->thc_regmap,
+			  THC_M_PRT_SPI_CFG_OFFSET, mask, cfg);
+
+	if (io_mode == THC_QUAD_IO)
+		opcode = FIELD_PREP(THC_M_PRT_SPI_ICRRD_OPCODE_SPI_QIO, opcode);
+	else if (io_mode == THC_DUAL_IO)
+		opcode = FIELD_PREP(THC_M_PRT_SPI_ICRRD_OPCODE_SPI_DIO, opcode);
+	else
+		opcode = FIELD_PREP(THC_M_PRT_SPI_ICRRD_OPCODE_SPI_SIO, opcode);
+
+	regmap_write(dev->thc_regmap, THC_M_PRT_SPI_ICRRD_OPCODE_OFFSET, opcode);
+	regmap_write(dev->thc_regmap, THC_M_PRT_SPI_DMARD_OPCODE_OFFSET, opcode);
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(thc_spi_read_config, "INTEL_THC");
+
+/**
+ * thc_spi_write_config - Configure SPI bus write attributes
+ *
+ * @dev: The pointer of THC private device context
+ * @spi_freq_val: SPI write frequecy value
+ * @io_mode: SPI write IO mode
+ * @opcode: Write opcode
+ * @spi_wr_mps: SPI write max packet size
+ * @perf_limit: Performance limitation in unit of 10us
+ *
+ * Return: 0 on success, other error codes on failed.
+ */
+int thc_spi_write_config(struct thc_device *dev, u32 spi_freq_val,
+			 u32 io_mode, u32 opcode, u32 spi_wr_mps,
+			 u32 perf_limit)
+{
+	bool is_low_freq = false;
+	u32 cfg, mask;
+	u8 freq_div;
+
+	freq_div = thc_get_spi_freq_div_val(dev, spi_freq_val);
+	if (freq_div == THC_SPI_FRQ_RESERVED)
+		return -EINVAL;
+
+	if (spi_freq_val < THC_SPI_LOW_FREQUENCY)
+		is_low_freq = true;
+
+	cfg = FIELD_PREP(THC_M_PRT_SPI_CFG_SPI_TCWF, freq_div) |
+	      FIELD_PREP(THC_M_PRT_SPI_CFG_SPI_TWMODE, io_mode) |
+	      (is_low_freq ? THC_M_PRT_SPI_CFG_SPI_LOW_FREQ_EN : 0) |
+	      FIELD_PREP(THC_M_PRT_SPI_CFG_SPI_WR_MPS, spi_wr_mps);
+	mask = THC_M_PRT_SPI_CFG_SPI_TCWF |
+	       THC_M_PRT_SPI_CFG_SPI_TWMODE |
+	       THC_M_PRT_SPI_CFG_SPI_LOW_FREQ_EN |
+	       THC_M_PRT_SPI_CFG_SPI_WR_MPS;
+
+	regmap_write_bits(dev->thc_regmap,
+			  THC_M_PRT_SPI_CFG_OFFSET, mask, cfg);
+
+	if (io_mode == THC_QUAD_IO)
+		opcode = FIELD_PREP(THC_M_PRT_SPI_ICRRD_OPCODE_SPI_QIO, opcode);
+	else if (io_mode == THC_DUAL_IO)
+		opcode = FIELD_PREP(THC_M_PRT_SPI_ICRRD_OPCODE_SPI_DIO, opcode);
+	else
+		opcode = FIELD_PREP(THC_M_PRT_SPI_ICRRD_OPCODE_SPI_SIO, opcode);
+
+	regmap_write(dev->thc_regmap, THC_M_PRT_SPI_WR_OPCODE_OFFSET, opcode);
+
+	dev->perf_limit = perf_limit;
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(thc_spi_write_config, "INTEL_THC");
+
+/**
+ * thc_spi_input_output_address_config - Configure SPI input and output addresses
+ *
+ * @dev: the pointer of THC private device context
+ * @input_hdr_addr: input report header address
+ * @input_bdy_addr: input report body address
+ * @output_addr: output report address
+ */
+void thc_spi_input_output_address_config(struct thc_device *dev, u32 input_hdr_addr,
+					 u32 input_bdy_addr, u32 output_addr)
+{
+	regmap_write(dev->thc_regmap,
+		     THC_M_PRT_DEV_INT_CAUSE_ADDR_OFFSET, input_hdr_addr);
+	regmap_write(dev->thc_regmap,
+		     THC_M_PRT_RD_BULK_ADDR_1_OFFSET, input_bdy_addr);
+	regmap_write(dev->thc_regmap,
+		     THC_M_PRT_RD_BULK_ADDR_2_OFFSET, input_bdy_addr);
+	regmap_write(dev->thc_regmap,
+		     THC_M_PRT_WR_BULK_ADDR_OFFSET, output_addr);
+}
+EXPORT_SYMBOL_NS_GPL(thc_spi_input_output_address_config, "INTEL_THC");
+
+static int thc_i2c_subip_pio_read(struct thc_device *dev, const u32 address,
+				  u32 *size, u32 *buffer)
+{
+	int ret;
+
+	if (!size || *size == 0 || !buffer) {
+		dev_err(dev->dev, "Invalid input parameters, size %p, buffer %p\n",
+			size, buffer);
+		return -EINVAL;
+	}
+
+	if (mutex_lock_interruptible(&dev->thc_bus_lock))
+		return -EINTR;
+
+	ret = prepare_pio(dev, THC_PIO_OP_I2C_SUBSYSTEM_READ, address, *size);
+	if (ret < 0)
+		goto end;
+
+	pio_start(dev, 0, NULL);
+
+	ret = pio_wait(dev);
+	if (ret < 0)
+		goto end;
+
+	ret = pio_complete(dev, buffer, size);
+	if (ret < 0)
+		goto end;
+
+end:
+	mutex_unlock(&dev->thc_bus_lock);
+
+	if (ret)
+		dev_err_once(dev->dev, "Read THC I2C SubIP register failed %d, offset %u\n",
+			     ret, address);
+
+	return ret;
+}
+
+static int thc_i2c_subip_pio_write(struct thc_device *dev, const u32 address,
+				   const u32 size, const u32 *buffer)
+{
+	int ret;
+
+	if (size == 0 || !buffer) {
+		dev_err(dev->dev, "Invalid input parameters, size %u, buffer %p\n",
+			size, buffer);
+		return -EINVAL;
+	}
+
+	if (mutex_lock_interruptible(&dev->thc_bus_lock))
+		return -EINTR;
+
+	ret = prepare_pio(dev, THC_PIO_OP_I2C_SUBSYSTEM_WRITE, address, size);
+	if (ret < 0)
+		goto end;
+
+	pio_start(dev, size, buffer);
+
+	ret = pio_wait(dev);
+	if (ret < 0)
+		goto end;
+
+	ret = pio_complete(dev, NULL, NULL);
+	if (ret < 0)
+		goto end;
+
+end:
+	mutex_unlock(&dev->thc_bus_lock);
+
+	if (ret)
+		dev_err_once(dev->dev, "Write THC I2C SubIP register failed %d, offset %u\n",
+			     ret, address);
+
+	return ret;
+}
+
+#define I2C_SUBIP_CON_DEFAULT		0x663
+#define I2C_SUBIP_INT_MASK_DEFAULT	0x7FFF
+#define I2C_SUBIP_RX_TL_DEFAULT		62
+#define I2C_SUBIP_TX_TL_DEFAULT		0
+#define I2C_SUBIP_DMA_TDLR_DEFAULT	7
+#define I2C_SUBIP_DMA_RDLR_DEFAULT	7
+
+static int thc_i2c_subip_set_speed(struct thc_device *dev, const u32 speed,
+				   const u32 hcnt, const u32 lcnt)
+{
+	u32 hcnt_offset, lcnt_offset;
+	u32 val;
+	int ret;
+
+	switch (speed) {
+	case THC_I2C_STANDARD:
+		hcnt_offset = THC_I2C_IC_SS_SCL_HCNT_OFFSET;
+		lcnt_offset = THC_I2C_IC_SS_SCL_LCNT_OFFSET;
+		break;
+
+	case THC_I2C_FAST_AND_PLUS:
+		hcnt_offset = THC_I2C_IC_FS_SCL_HCNT_OFFSET;
+		lcnt_offset = THC_I2C_IC_FS_SCL_LCNT_OFFSET;
+		break;
+
+	case THC_I2C_HIGH_SPEED:
+		hcnt_offset = THC_I2C_IC_HS_SCL_HCNT_OFFSET;
+		lcnt_offset = THC_I2C_IC_HS_SCL_LCNT_OFFSET;
+		break;
+
+	default:
+		dev_err_once(dev->dev, "Unsupported i2c speed %d\n", speed);
+		ret = -EINVAL;
+		return ret;
+	}
+
+	ret = thc_i2c_subip_pio_write(dev, hcnt_offset, sizeof(u32), &hcnt);
+	if (ret < 0)
+		return ret;
+
+	ret = thc_i2c_subip_pio_write(dev, lcnt_offset, sizeof(u32), &lcnt);
+	if (ret < 0)
+		return ret;
+
+	val = I2C_SUBIP_CON_DEFAULT & ~THC_I2C_IC_CON_SPEED;
+	val |= FIELD_PREP(THC_I2C_IC_CON_SPEED, speed);
+	ret = thc_i2c_subip_pio_write(dev, THC_I2C_IC_CON_OFFSET, sizeof(u32), &val);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static u32 i2c_subip_regs[] = {
+	THC_I2C_IC_CON_OFFSET,
+	THC_I2C_IC_TAR_OFFSET,
+	THC_I2C_IC_INTR_MASK_OFFSET,
+	THC_I2C_IC_RX_TL_OFFSET,
+	THC_I2C_IC_TX_TL_OFFSET,
+	THC_I2C_IC_DMA_CR_OFFSET,
+	THC_I2C_IC_DMA_TDLR_OFFSET,
+	THC_I2C_IC_DMA_RDLR_OFFSET,
+	THC_I2C_IC_SS_SCL_HCNT_OFFSET,
+	THC_I2C_IC_SS_SCL_LCNT_OFFSET,
+	THC_I2C_IC_FS_SCL_HCNT_OFFSET,
+	THC_I2C_IC_FS_SCL_LCNT_OFFSET,
+	THC_I2C_IC_HS_SCL_HCNT_OFFSET,
+	THC_I2C_IC_HS_SCL_LCNT_OFFSET,
+	THC_I2C_IC_ENABLE_OFFSET,
+};
+
+/**
+ * thc_i2c_subip_init - Initialize and configure THC I2C subsystem
+ *
+ * @dev: The pointer of THC private device context
+ * @target_address: Slave address of touch device (TIC)
+ * @speed: I2C bus frequency speed mode
+ * @hcnt: I2C clock SCL high count
+ * @lcnt: I2C clock SCL low count
+ *
+ * Return: 0 on success, other error codes on failed.
+ */
+int thc_i2c_subip_init(struct thc_device *dev, const u32 target_address,
+		       const u32 speed, const u32 hcnt, const u32 lcnt)
+{
+	u32 read_size = sizeof(u32);
+	u32 val;
+	int ret;
+
+	ret = thc_i2c_subip_pio_read(dev, THC_I2C_IC_ENABLE_OFFSET, &read_size, &val);
+	if (ret < 0)
+		return ret;
+
+	val &= ~THC_I2C_IC_ENABLE_ENABLE;
+	ret = thc_i2c_subip_pio_write(dev, THC_I2C_IC_ENABLE_OFFSET, sizeof(u32), &val);
+	if (ret < 0)
+		return ret;
+
+	ret = thc_i2c_subip_pio_read(dev, THC_I2C_IC_TAR_OFFSET, &read_size, &val);
+	if (ret < 0)
+		return ret;
+
+	val &= ~THC_I2C_IC_TAR_IC_TAR;
+	val |= FIELD_PREP(THC_I2C_IC_TAR_IC_TAR, target_address);
+	ret = thc_i2c_subip_pio_write(dev, THC_I2C_IC_TAR_OFFSET, sizeof(u32), &val);
+	if (ret < 0)
+		return ret;
+
+	ret = thc_i2c_subip_set_speed(dev, speed, hcnt, lcnt);
+	if (ret < 0)
+		return ret;
+
+	val = I2C_SUBIP_INT_MASK_DEFAULT;
+	ret = thc_i2c_subip_pio_write(dev, THC_I2C_IC_INTR_MASK_OFFSET, sizeof(u32), &val);
+	if (ret < 0)
+		return ret;
+
+	val = I2C_SUBIP_RX_TL_DEFAULT;
+	ret = thc_i2c_subip_pio_write(dev, THC_I2C_IC_RX_TL_OFFSET, sizeof(u32), &val);
+	if (ret < 0)
+		return ret;
+
+	val = I2C_SUBIP_TX_TL_DEFAULT;
+	ret = thc_i2c_subip_pio_write(dev, THC_I2C_IC_TX_TL_OFFSET, sizeof(u32), &val);
+	if (ret < 0)
+		return ret;
+
+	val = THC_I2C_IC_DMA_CR_RDMAE | THC_I2C_IC_DMA_CR_TDMAE;
+	ret = thc_i2c_subip_pio_write(dev, THC_I2C_IC_DMA_CR_OFFSET, sizeof(u32), &val);
+	if (ret < 0)
+		return ret;
+
+	val = I2C_SUBIP_DMA_TDLR_DEFAULT;
+	ret = thc_i2c_subip_pio_write(dev, THC_I2C_IC_DMA_TDLR_OFFSET, sizeof(u32), &val);
+	if (ret < 0)
+		return ret;
+
+	val = I2C_SUBIP_DMA_RDLR_DEFAULT;
+	ret = thc_i2c_subip_pio_write(dev, THC_I2C_IC_DMA_RDLR_OFFSET, sizeof(u32), &val);
+	if (ret < 0)
+		return ret;
+
+	ret = thc_i2c_subip_pio_read(dev, THC_I2C_IC_ENABLE_OFFSET, &read_size, &val);
+	if (ret < 0)
+		return ret;
+
+	val |= THC_I2C_IC_ENABLE_ENABLE;
+	ret = thc_i2c_subip_pio_write(dev, THC_I2C_IC_ENABLE_OFFSET, sizeof(u32), &val);
+	if (ret < 0)
+		return ret;
+
+	dev->i2c_subip_regs = devm_kzalloc(dev->dev, sizeof(i2c_subip_regs), GFP_KERNEL);
+	if (!dev->i2c_subip_regs)
+		return -ENOMEM;
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(thc_i2c_subip_init, "INTEL_THC");
+
+/**
+ * thc_i2c_subip_regs_save - Save THC I2C sub-subsystem register values to THC device context
+ *
+ * @dev: The pointer of THC private device context
+ *
+ * Return: 0 on success, other error codes on failed.
+ */
+int thc_i2c_subip_regs_save(struct thc_device *dev)
+{
+	int ret;
+	u32 read_size = sizeof(u32);
+
+	for (int i = 0; i < ARRAY_SIZE(i2c_subip_regs); i++) {
+		ret = thc_i2c_subip_pio_read(dev, i2c_subip_regs[i],
+					     &read_size, (u32 *)&dev->i2c_subip_regs + i);
+		if (ret < 0)
+			return ret;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(thc_i2c_subip_regs_save, "INTEL_THC");
+
+/**
+ * thc_i2c_subip_regs_restore - Restore THC I2C subsystem registers from THC device context
+ *
+ * @dev: The pointer of THC private device context
+ *
+ * Return: 0 on success, other error codes on failed.
+ */
+int thc_i2c_subip_regs_restore(struct thc_device *dev)
+{
+	int ret;
+	u32 write_size = sizeof(u32);
+
+	for (int i = 0; i < ARRAY_SIZE(i2c_subip_regs); i++) {
+		ret = thc_i2c_subip_pio_write(dev, i2c_subip_regs[i],
+					      write_size, (u32 *)&dev->i2c_subip_regs + i);
+		if (ret < 0)
+			return ret;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(thc_i2c_subip_regs_restore, "INTEL_THC");
+
+MODULE_AUTHOR("Xinpeng Sun <xinpeng.sun@intel.com>");
+MODULE_AUTHOR("Even Xu <even.xu@intel.com>");
+
+MODULE_DESCRIPTION("Intel(R) Intel THC Hardware Driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/hid/intel-thc-hid/intel-thc/intel-thc-dev.h b/drivers/hid/intel-thc-hid/intel-thc/intel-thc-dev.h
new file mode 100644
index 000000000000..0517fee2c668
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/intel-thc/intel-thc-dev.h
@@ -0,0 +1,116 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2024 Intel Corporation */
+
+#ifndef _INTEL_THC_DEV_H_
+#define _INTEL_THC_DEV_H_
+
+#include <linux/cdev.h>
+#include <linux/mutex.h>
+#include <linux/workqueue.h>
+
+#include "intel-thc-dma.h"
+
+#define THC_REGMAP_COMMON_OFFSET  0x10
+#define THC_REGMAP_MMIO_OFFSET    0x1000
+
+/*
+ * THC Port type
+ * @THC_PORT_TYPE_SPI: This port is used for HIDSPI
+ * @THC_PORT_TYPE_I2C: This port is used for HIDI2C
+ */
+enum thc_port_type {
+	THC_PORT_TYPE_SPI = 0,
+	THC_PORT_TYPE_I2C = 1,
+};
+
+/**
+ * THC interrupt flag
+ * @THC_NONDMA_INT: THC non-DMA interrupt
+ * @THC_RXDMA1_INT: THC RxDMA1 interrupt
+ * @THC_RXDMA2_INT: THC RxDMA2 interrupt
+ * @THC_SWDMA_INT: THC SWDMA interrupt
+ * @THC_TXDMA_INT: THC TXDMA interrupt
+ * @THC_PIO_DONE_INT: THC PIO complete interrupt
+ * @THC_I2CSUBIP_INT: THC I2C subsystem interrupt
+ * @THC_TXN_ERR_INT: THC transfer error interrupt
+ * @THC_FATAL_ERR_INT: THC fatal error interrupt
+ */
+enum thc_int_type {
+	THC_NONDMA_INT = 0,
+	THC_RXDMA1_INT = 1,
+	THC_RXDMA2_INT = 2,
+	THC_SWDMA_INT = 3,
+	THC_TXDMA_INT = 4,
+	THC_PIO_DONE_INT = 5,
+	THC_I2CSUBIP_INT = 6,
+	THC_TXN_ERR_INT = 7,
+	THC_FATAL_ERR_INT = 8,
+	THC_UNKNOWN_INT
+};
+
+/**
+ * struct thc_device - THC private device struct
+ * @thc_regmap: MMIO regmap structure for accessing THC registers
+ * @mmio_addr: MMIO registers address
+ * @thc_bus_lock: mutex locker for THC config
+ * @port_type: port type of THC port instance
+ * @pio_int_supported: PIO interrupt supported flag
+ * @dma_ctx: DMA specific data
+ * @write_complete_wait: signal event for DMA write complete
+ * @swdma_complete_wait: signal event for SWDMA sequence complete
+ * @write_done: bool value that indicates if DMA write is done
+ * @swdma_done: bool value that indicates if SWDMA swquence is done
+ * @perf_limit: the delay between read operation and write operation
+ * @i2c_subip_regs: the copy of THC I2C sub-system registers for resuming restore
+ */
+struct thc_device {
+	struct device *dev;
+	struct regmap *thc_regmap;
+	void __iomem *mmio_addr;
+	struct mutex thc_bus_lock;
+	enum thc_port_type port_type;
+	bool pio_int_supported;
+
+	struct thc_dma_context *dma_ctx;
+
+	wait_queue_head_t write_complete_wait;
+	wait_queue_head_t swdma_complete_wait;
+	bool write_done;
+	bool swdma_done;
+
+	u32 perf_limit;
+
+	u32 *i2c_subip_regs;
+};
+
+struct thc_device *thc_dev_init(struct device *device, void __iomem *mem_addr);
+int thc_tic_pio_read(struct thc_device *dev, const u32 address,
+		     const u32 size, u32 *actual_size, u32 *buffer);
+int thc_tic_pio_write(struct thc_device *dev, const u32 address,
+		      const u32 size, const u32 *buffer);
+int thc_tic_pio_write_and_read(struct thc_device *dev, const u32 address,
+			       const u32 write_size, const u32 *write_buffer,
+			       const u32 read_size, u32 *actual_size, u32 *read_buffer);
+void thc_interrupt_config(struct thc_device *dev);
+void thc_int_trigger_type_select(struct thc_device *dev, bool edge_trigger);
+void thc_interrupt_enable(struct thc_device *dev, bool int_enable);
+void thc_set_pio_interrupt_support(struct thc_device *dev, bool supported);
+int thc_interrupt_quiesce(const struct thc_device *dev, bool int_quiesce);
+void thc_ltr_config(struct thc_device *dev, u32 active_ltr_us, u32 lp_ltr_us);
+void thc_change_ltr_mode(struct thc_device *dev, u32 ltr_mode);
+void thc_ltr_unconfig(struct thc_device *dev);
+u32 thc_int_cause_read(struct thc_device *dev);
+int thc_interrupt_handler(struct thc_device *dev);
+int thc_port_select(struct thc_device *dev, enum thc_port_type port_type);
+int thc_spi_read_config(struct thc_device *dev, u32 spi_freq_val,
+			u32 io_mode, u32 opcode, u32 spi_rd_mps);
+int thc_spi_write_config(struct thc_device *dev, u32 spi_freq_val,
+			 u32 io_mode, u32 opcode, u32 spi_wr_mps, u32 perf_limit);
+void thc_spi_input_output_address_config(struct thc_device *dev, u32 input_hdr_addr,
+					 u32 input_bdy_addr, u32 output_addr);
+int thc_i2c_subip_init(struct thc_device *dev, const u32 target_address,
+		       const u32 speed, const u32 hcnt, const u32 lcnt);
+int thc_i2c_subip_regs_save(struct thc_device *dev);
+int thc_i2c_subip_regs_restore(struct thc_device *dev);
+
+#endif /* _INTEL_THC_DEV_H_ */
diff --git a/drivers/hid/intel-thc-hid/intel-thc/intel-thc-dma.c b/drivers/hid/intel-thc-hid/intel-thc/intel-thc-dma.c
new file mode 100644
index 000000000000..eb23bea77686
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/intel-thc/intel-thc-dma.c
@@ -0,0 +1,969 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2024 Intel Corporation */
+
+#include <linux/bitfield.h>
+#include <linux/delay.h>
+#include <linux/overflow.h>
+#include <linux/regmap.h>
+#include <linux/scatterlist.h>
+
+#include "intel-thc-dev.h"
+#include "intel-thc-dma.h"
+#include "intel-thc-hw.h"
+
+static void dma_set_prd_base_addr(struct thc_device *dev, u64 physical_addr,
+				  struct thc_dma_configuration *dma_config)
+{
+	u32 addr_high, addr_low;
+
+	if (!dma_config->is_enabled)
+		return;
+
+	addr_high = upper_32_bits(physical_addr);
+	addr_low = lower_32_bits(physical_addr);
+
+	regmap_write(dev->thc_regmap, dma_config->prd_base_addr_high, addr_high);
+	regmap_write(dev->thc_regmap, dma_config->prd_base_addr_low, addr_low);
+}
+
+static void dma_set_start_bit(struct thc_device *dev,
+			      struct thc_dma_configuration *dma_config)
+{
+	u32 ctrl, mask, mbits, data, offset;
+
+	if (!dma_config->is_enabled)
+		return;
+
+	switch (dma_config->dma_channel) {
+	case THC_RXDMA1:
+	case THC_RXDMA2:
+		if (dma_config->dma_channel == THC_RXDMA2) {
+			mbits = FIELD_PREP(THC_M_PRT_DEVINT_CFG_1_THC_M_PRT_INTTYP_DATA_VAL,
+					   THC_BITMASK_INTERRUPT_TYPE_DATA);
+			mask = THC_M_PRT_DEVINT_CFG_1_THC_M_PRT_INTTYP_DATA_VAL;
+			regmap_write_bits(dev->thc_regmap,
+					  THC_M_PRT_DEVINT_CFG_1_OFFSET, mask, mbits);
+		}
+
+		mbits = THC_M_PRT_READ_DMA_CNTRL_IE_EOF |
+			THC_M_PRT_READ_DMA_CNTRL_SOO |
+			THC_M_PRT_READ_DMA_CNTRL_IE_STALL |
+			THC_M_PRT_READ_DMA_CNTRL_IE_ERROR |
+			THC_M_PRT_READ_DMA_CNTRL_START;
+
+		mask = THC_M_PRT_READ_DMA_CNTRL_TPCWP | mbits;
+		mask |= THC_M_PRT_READ_DMA_CNTRL_INT_SW_DMA_EN;
+		ctrl = FIELD_PREP(THC_M_PRT_READ_DMA_CNTRL_TPCWP, THC_POINTER_WRAPAROUND) | mbits;
+		offset = dma_config->dma_channel == THC_RXDMA1 ?
+			 THC_M_PRT_READ_DMA_CNTRL_1_OFFSET : THC_M_PRT_READ_DMA_CNTRL_2_OFFSET;
+		regmap_write_bits(dev->thc_regmap, offset, mask, ctrl);
+		break;
+
+	case THC_SWDMA:
+		mbits = THC_M_PRT_READ_DMA_CNTRL_IE_DMACPL |
+			THC_M_PRT_READ_DMA_CNTRL_IE_IOC |
+			THC_M_PRT_READ_DMA_CNTRL_SOO |
+			THC_M_PRT_READ_DMA_CNTRL_START;
+
+		mask = THC_M_PRT_READ_DMA_CNTRL_TPCWP | mbits;
+		ctrl = FIELD_PREP(THC_M_PRT_READ_DMA_CNTRL_TPCWP, THC_POINTER_WRAPAROUND) | mbits;
+		regmap_write_bits(dev->thc_regmap, THC_M_PRT_READ_DMA_CNTRL_SW_OFFSET,
+				  mask, ctrl);
+		break;
+
+	case THC_TXDMA:
+		regmap_write_bits(dev->thc_regmap, THC_M_PRT_WRITE_INT_STS_OFFSET,
+				  THC_M_PRT_WRITE_INT_STS_THC_WRDMA_CMPL_STATUS,
+				  THC_M_PRT_WRITE_INT_STS_THC_WRDMA_CMPL_STATUS);
+
+		/* Select interrupt or polling method upon Write completion */
+		if (dev->dma_ctx->use_write_interrupts)
+			data = THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_IE_IOC_DMACPL;
+		else
+			data = 0;
+
+		data |= THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_START;
+		mask = THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_IE_IOC_DMACPL |
+		       THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_START;
+		regmap_write_bits(dev->thc_regmap, THC_M_PRT_WRITE_DMA_CNTRL_OFFSET,
+				  mask, data);
+		break;
+
+	default:
+		break;
+	}
+}
+
+static void dma_set_prd_control(struct thc_device *dev, u8 entry_count, u8 cb_depth,
+				struct thc_dma_configuration *dma_config)
+{
+	u32 ctrl, mask;
+
+	if (!dma_config->is_enabled)
+		return;
+
+	if (dma_config->dma_channel == THC_TXDMA) {
+		mask = THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_PTEC;
+		ctrl = FIELD_PREP(THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_PTEC, entry_count);
+	} else {
+		mask = THC_M_PRT_RPRD_CNTRL_PTEC | THC_M_PRT_RPRD_CNTRL_PCD;
+		ctrl = FIELD_PREP(THC_M_PRT_RPRD_CNTRL_PTEC, entry_count) |
+		       FIELD_PREP(THC_M_PRT_RPRD_CNTRL_PCD, cb_depth);
+	}
+
+	regmap_write_bits(dev->thc_regmap, dma_config->prd_cntrl, mask, ctrl);
+}
+
+static void dma_clear_prd_control(struct thc_device *dev,
+				  struct thc_dma_configuration *dma_config)
+{
+	u32 mask;
+
+	if (!dma_config->is_enabled)
+		return;
+
+	if (dma_config->dma_channel == THC_TXDMA)
+		mask = THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_PTEC;
+	else
+		mask = THC_M_PRT_RPRD_CNTRL_PTEC | THC_M_PRT_RPRD_CNTRL_PCD;
+
+	regmap_write_bits(dev->thc_regmap, dma_config->prd_cntrl, mask, 0);
+}
+
+static u8 dma_get_read_pointer(struct thc_device *dev,
+			       struct thc_dma_configuration *dma_config)
+{
+	u32 ctrl, read_pointer;
+
+	regmap_read(dev->thc_regmap, dma_config->dma_cntrl, &ctrl);
+	read_pointer = FIELD_GET(THC_M_PRT_READ_DMA_CNTRL_TPCRP, ctrl);
+
+	dev_dbg(dev->dev, "THC_M_PRT_READ_DMA_CNTRL 0x%x offset 0x%x TPCRP 0x%x\n",
+		ctrl, dma_config->dma_cntrl, read_pointer);
+
+	return read_pointer;
+}
+
+static u8 dma_get_write_pointer(struct thc_device *dev,
+				struct thc_dma_configuration *dma_config)
+{
+	u32 ctrl, write_pointer;
+
+	regmap_read(dev->thc_regmap, dma_config->dma_cntrl, &ctrl);
+	write_pointer = FIELD_GET(THC_M_PRT_READ_DMA_CNTRL_TPCWP, ctrl);
+
+	dev_dbg(dev->dev, "THC_M_PRT_READ_DMA_CNTRL 0x%x offset 0x%x TPCWP 0x%x\n",
+		ctrl, dma_config->dma_cntrl, write_pointer);
+
+	return write_pointer;
+}
+
+static void dma_set_write_pointer(struct thc_device *dev, u8 value,
+				  struct thc_dma_configuration *dma_config)
+{
+	u32 ctrl, mask;
+
+	mask = THC_M_PRT_READ_DMA_CNTRL_TPCWP;
+	ctrl = FIELD_PREP(THC_M_PRT_READ_DMA_CNTRL_TPCWP, value);
+	regmap_write_bits(dev->thc_regmap, dma_config->dma_cntrl, mask, ctrl);
+}
+
+static size_t dma_get_max_packet_size(struct thc_device *dev,
+				      struct thc_dma_configuration *dma_config)
+{
+	return dma_config->max_packet_size;
+}
+
+static void dma_set_max_packet_size(struct thc_device *dev, size_t size,
+				    struct thc_dma_configuration *dma_config)
+{
+	if (size) {
+		dma_config->max_packet_size = ALIGN(size, SZ_4K);
+		dma_config->is_enabled = true;
+	}
+}
+
+static void thc_copy_one_sgl_to_prd(struct thc_device *dev,
+				    struct thc_dma_configuration *config,
+				    unsigned int ind)
+{
+	struct thc_prd_table *prd_tbl;
+	struct scatterlist *sg;
+	int j;
+
+	prd_tbl = &config->prd_tbls[ind];
+
+	for_each_sg(config->sgls[ind], sg, config->sgls_nent[ind], j) {
+		prd_tbl->entries[j].dest_addr =
+				sg_dma_address(sg) >> THC_ADDRESS_SHIFT;
+		prd_tbl->entries[j].len = sg_dma_len(sg);
+		prd_tbl->entries[j].hw_status = 0;
+		prd_tbl->entries[j].end_of_prd = 0;
+	}
+
+	/* Set the end_of_prd flag in the last filled entry */
+	if (j > 0)
+		prd_tbl->entries[j - 1].end_of_prd = 1;
+}
+
+static void thc_copy_sgls_to_prd(struct thc_device *dev,
+				 struct thc_dma_configuration *config)
+{
+	unsigned int i;
+
+	memset(config->prd_tbls, 0, array_size(PRD_TABLE_SIZE, config->prd_tbl_num));
+
+	for (i = 0; i < config->prd_tbl_num; i++)
+		thc_copy_one_sgl_to_prd(dev, config, i);
+}
+
+static int setup_dma_buffers(struct thc_device *dev,
+			     struct thc_dma_configuration *config,
+			     enum dma_data_direction dir)
+{
+	size_t prd_tbls_size = array_size(PRD_TABLE_SIZE, config->prd_tbl_num);
+	unsigned int i, nent = PRD_ENTRIES_NUM;
+	dma_addr_t dma_handle;
+	void *cpu_addr;
+	size_t buf_sz;
+	int count;
+
+	if (!config->is_enabled)
+		return 0;
+
+	memset(config->sgls, 0, sizeof(config->sgls));
+	memset(config->sgls_nent, 0, sizeof(config->sgls_nent));
+
+	cpu_addr = dma_alloc_coherent(dev->dev, prd_tbls_size,
+				      &dma_handle, GFP_KERNEL);
+	if (!cpu_addr)
+		return -ENOMEM;
+
+	config->prd_tbls = cpu_addr;
+	config->prd_tbls_dma_handle = dma_handle;
+
+	buf_sz = dma_get_max_packet_size(dev, config);
+
+	/* Allocate and map the scatter-gather lists, one for each PRD table */
+	for (i = 0; i < config->prd_tbl_num; i++) {
+		config->sgls[i] = sgl_alloc(buf_sz, GFP_KERNEL, &nent);
+		if (!config->sgls[i] || nent > PRD_ENTRIES_NUM) {
+			dev_err_once(dev->dev, "sgl_alloc (%uth) failed, nent %u\n",
+				     i, nent);
+			return -ENOMEM;
+		}
+		count = dma_map_sg(dev->dev, config->sgls[i], nent, dir);
+
+		config->sgls_nent[i] = count;
+	}
+
+	thc_copy_sgls_to_prd(dev, config);
+
+	return 0;
+}
+
+static void thc_reset_dma_settings(struct thc_device *dev)
+{
+	/* Stop all DMA channels and reset DMA read pointers */
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_READ_DMA_CNTRL_1_OFFSET,
+			  THC_M_PRT_READ_DMA_CNTRL_START, 0);
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_READ_DMA_CNTRL_2_OFFSET,
+			  THC_M_PRT_READ_DMA_CNTRL_START, 0);
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_READ_DMA_CNTRL_SW_OFFSET,
+			  THC_M_PRT_READ_DMA_CNTRL_START, 0);
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_WRITE_DMA_CNTRL_OFFSET,
+			  THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_START, 0);
+
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_READ_DMA_CNTRL_1_OFFSET,
+			  THC_M_PRT_READ_DMA_CNTRL_TPCPR,
+			  THC_M_PRT_READ_DMA_CNTRL_TPCPR);
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_READ_DMA_CNTRL_2_OFFSET,
+			  THC_M_PRT_READ_DMA_CNTRL_TPCPR,
+			  THC_M_PRT_READ_DMA_CNTRL_TPCPR);
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_READ_DMA_CNTRL_SW_OFFSET,
+			  THC_M_PRT_READ_DMA_CNTRL_TPCPR,
+			  THC_M_PRT_READ_DMA_CNTRL_TPCPR);
+}
+
+static void release_dma_buffers(struct thc_device *dev,
+				struct thc_dma_configuration *config)
+{
+	size_t prd_tbls_size = array_size(PRD_TABLE_SIZE, config->prd_tbl_num);
+	unsigned int i;
+
+	if (!config->is_enabled)
+		return;
+
+	for (i = 0; i < config->prd_tbl_num; i++) {
+		if (!config->sgls[i] | !config->sgls_nent[i])
+			continue;
+
+		dma_unmap_sg(dev->dev, config->sgls[i],
+			     config->sgls_nent[i],
+			     config->dir);
+
+		sgl_free(config->sgls[i]);
+		config->sgls[i] = NULL;
+	}
+
+	memset(config->prd_tbls, 0, prd_tbls_size);
+
+	if (config->prd_tbls) {
+		dma_free_coherent(dev->dev, prd_tbls_size, config->prd_tbls,
+				  config->prd_tbls_dma_handle);
+		config->prd_tbls = NULL;
+		config->prd_tbls_dma_handle = 0;
+	}
+}
+
+struct thc_dma_context *thc_dma_init(struct thc_device *dev)
+{
+	struct thc_dma_context *dma_ctx;
+
+	dma_ctx = devm_kzalloc(dev->dev, sizeof(*dma_ctx), GFP_KERNEL);
+	if (!dma_ctx)
+		return NULL;
+
+	dev->dma_ctx = dma_ctx;
+
+	dma_ctx->dma_config[THC_RXDMA1].dma_channel = THC_RXDMA1;
+	dma_ctx->dma_config[THC_RXDMA2].dma_channel = THC_RXDMA2;
+	dma_ctx->dma_config[THC_TXDMA].dma_channel = THC_TXDMA;
+	dma_ctx->dma_config[THC_SWDMA].dma_channel = THC_SWDMA;
+
+	dma_ctx->dma_config[THC_RXDMA1].dir = DMA_FROM_DEVICE;
+	dma_ctx->dma_config[THC_RXDMA2].dir = DMA_FROM_DEVICE;
+	dma_ctx->dma_config[THC_TXDMA].dir = DMA_TO_DEVICE;
+	dma_ctx->dma_config[THC_SWDMA].dir = DMA_FROM_DEVICE;
+
+	dma_ctx->dma_config[THC_RXDMA1].prd_tbl_num = PRD_TABLES_NUM;
+	dma_ctx->dma_config[THC_RXDMA2].prd_tbl_num = PRD_TABLES_NUM;
+	dma_ctx->dma_config[THC_TXDMA].prd_tbl_num = 1;
+	dma_ctx->dma_config[THC_SWDMA].prd_tbl_num = 1;
+
+	dma_ctx->dma_config[THC_RXDMA1].prd_base_addr_high = THC_M_PRT_RPRD_BA_HI_1_OFFSET;
+	dma_ctx->dma_config[THC_RXDMA2].prd_base_addr_high = THC_M_PRT_RPRD_BA_HI_2_OFFSET;
+	dma_ctx->dma_config[THC_TXDMA].prd_base_addr_high = THC_M_PRT_WPRD_BA_HI_OFFSET;
+	dma_ctx->dma_config[THC_SWDMA].prd_base_addr_high = THC_M_PRT_RPRD_BA_HI_SW_OFFSET;
+
+	dma_ctx->dma_config[THC_RXDMA1].prd_base_addr_low = THC_M_PRT_RPRD_BA_LOW_1_OFFSET;
+	dma_ctx->dma_config[THC_RXDMA2].prd_base_addr_low = THC_M_PRT_RPRD_BA_LOW_2_OFFSET;
+	dma_ctx->dma_config[THC_TXDMA].prd_base_addr_low = THC_M_PRT_WPRD_BA_LOW_OFFSET;
+	dma_ctx->dma_config[THC_SWDMA].prd_base_addr_low = THC_M_PRT_RPRD_BA_LOW_SW_OFFSET;
+
+	dma_ctx->dma_config[THC_RXDMA1].prd_cntrl = THC_M_PRT_RPRD_CNTRL_1_OFFSET;
+	dma_ctx->dma_config[THC_RXDMA2].prd_cntrl = THC_M_PRT_RPRD_CNTRL_2_OFFSET;
+	dma_ctx->dma_config[THC_TXDMA].prd_cntrl = THC_M_PRT_WRITE_DMA_CNTRL_OFFSET;
+	dma_ctx->dma_config[THC_SWDMA].prd_cntrl = THC_M_PRT_RPRD_CNTRL_SW_OFFSET;
+
+	dma_ctx->dma_config[THC_RXDMA1].dma_cntrl = THC_M_PRT_READ_DMA_CNTRL_1_OFFSET;
+	dma_ctx->dma_config[THC_RXDMA2].dma_cntrl = THC_M_PRT_READ_DMA_CNTRL_2_OFFSET;
+	dma_ctx->dma_config[THC_TXDMA].dma_cntrl = THC_M_PRT_WRITE_DMA_CNTRL_OFFSET;
+	dma_ctx->dma_config[THC_SWDMA].dma_cntrl = THC_M_PRT_READ_DMA_CNTRL_SW_OFFSET;
+
+	/* Enable write DMA completion interrupt by default */
+	dma_ctx->use_write_interrupts = 1;
+
+	return dma_ctx;
+}
+
+/**
+ * thc_dma_set_max_packet_sizes - Set max packet sizes for all DMA engines
+ *
+ * @dev: The pointer of THC private device context
+ * @mps_read1: RxDMA1 max packet size
+ * @mps_read2: RxDMA2 max packet size
+ * @mps_write: TxDMA max packet size
+ * @mps_swdma: Software DMA max packet size
+ *
+ * If mps is not 0, it means the corresponding DMA channel is used, then set
+ * the flag to turn on this channel.
+ *
+ * Return: 0 on success, other error codes on failed.
+ */
+int thc_dma_set_max_packet_sizes(struct thc_device *dev, size_t mps_read1,
+				 size_t mps_read2, size_t mps_write,
+				 size_t mps_swdma)
+{
+	if (!dev->dma_ctx) {
+		dev_err_once(dev->dev,
+			     "Cannot set max packet sizes because DMA context is NULL!\n");
+		return -EINVAL;
+	}
+
+	dma_set_max_packet_size(dev, mps_read1, &dev->dma_ctx->dma_config[THC_RXDMA1]);
+	dma_set_max_packet_size(dev, mps_read2, &dev->dma_ctx->dma_config[THC_RXDMA2]);
+	dma_set_max_packet_size(dev, mps_write, &dev->dma_ctx->dma_config[THC_TXDMA]);
+	dma_set_max_packet_size(dev, mps_swdma, &dev->dma_ctx->dma_config[THC_SWDMA]);
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(thc_dma_set_max_packet_sizes, "INTEL_THC");
+
+/**
+ * thc_dma_allocate - Allocate DMA buffers for all DMA engines
+ *
+ * @dev: The pointer of THC private device context
+ *
+ * Return: 0 on success, other error codes on failed.
+ */
+int thc_dma_allocate(struct thc_device *dev)
+{
+	int ret, chan;
+
+	for (chan = 0; chan < MAX_THC_DMA_CHANNEL; chan++) {
+		ret = setup_dma_buffers(dev, &dev->dma_ctx->dma_config[chan],
+					dev->dma_ctx->dma_config[chan].dir);
+		if (ret < 0) {
+			dev_err_once(dev->dev, "DMA setup failed for DMA channel %d\n", chan);
+			goto release_bufs;
+		}
+	}
+
+	return 0;
+
+release_bufs:
+	while (chan--)
+		release_dma_buffers(dev, &dev->dma_ctx->dma_config[chan]);
+
+	return ret;
+}
+EXPORT_SYMBOL_NS_GPL(thc_dma_allocate, "INTEL_THC");
+
+/**
+ * thc_dma_release - Release DMA buffers for all DMA engines
+ *
+ * @dev: The pointer of THC private device context
+ */
+void thc_dma_release(struct thc_device *dev)
+{
+	int chan;
+
+	for (chan = 0; chan < MAX_THC_DMA_CHANNEL; chan++)
+		release_dma_buffers(dev, &dev->dma_ctx->dma_config[chan]);
+}
+EXPORT_SYMBOL_NS_GPL(thc_dma_release, "INTEL_THC");
+
+static int calc_prd_entries_num(struct thc_prd_table *prd_tbl,
+				size_t mes_len, u8 *nent)
+{
+	*nent = DIV_ROUND_UP(mes_len, THC_MIN_BYTES_PER_SG_LIST_ENTRY);
+	if (*nent > PRD_ENTRIES_NUM)
+		return -EMSGSIZE;
+
+	return 0;
+}
+
+static size_t calc_message_len(struct thc_prd_table *prd_tbl, u8 *nent)
+{
+	size_t mes_len = 0;
+	unsigned int j;
+
+	for (j = 0; j < PRD_ENTRIES_NUM; j++) {
+		mes_len += prd_tbl->entries[j].len;
+		if (prd_tbl->entries[j].end_of_prd)
+			break;
+	}
+
+	*nent = j + 1;
+
+	return mes_len;
+}
+
+/**
+ * thc_dma_configure - Configure DMA settings for all DMA engines
+ *
+ * @dev: The pointer of THC private device context
+ *
+ * Return: 0 on success, other error codes on failed.
+ */
+int thc_dma_configure(struct thc_device *dev)
+{
+	struct thc_dma_context *dma_ctx = dev->dma_ctx;
+	int chan;
+
+	thc_reset_dma_settings(dev);
+
+	if (!dma_ctx) {
+		dev_err_once(dev->dev, "Cannot do DMA configure because DMA context is NULL\n");
+		return -EINVAL;
+	}
+
+	for (chan = 0; chan < MAX_THC_DMA_CHANNEL; chan++) {
+		dma_set_prd_base_addr(dev,
+				      dma_ctx->dma_config[chan].prd_tbls_dma_handle,
+				      &dma_ctx->dma_config[chan]);
+
+		dma_set_prd_control(dev, PRD_ENTRIES_NUM - 1,
+				    dma_ctx->dma_config[chan].prd_tbl_num - 1,
+				    &dma_ctx->dma_config[chan]);
+	}
+
+	/* Start read2 DMA engine */
+	dma_set_start_bit(dev, &dma_ctx->dma_config[THC_RXDMA2]);
+
+	dev_dbg(dev->dev, "DMA configured successfully!\n");
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(thc_dma_configure, "INTEL_THC");
+
+/**
+ * thc_dma_unconfigure - Unconfigure DMA settings for all DMA engines
+ *
+ * @dev: The pointer of THC private device context
+ */
+void thc_dma_unconfigure(struct thc_device *dev)
+{
+	int chan;
+
+	for (chan = 0; chan < MAX_THC_DMA_CHANNEL; chan++) {
+		dma_set_prd_base_addr(dev, 0, &dev->dma_ctx->dma_config[chan]);
+		dma_clear_prd_control(dev, &dev->dma_ctx->dma_config[chan]);
+	}
+
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_READ_DMA_CNTRL_1_OFFSET,
+			  THC_M_PRT_READ_DMA_CNTRL_START, 0);
+
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_READ_DMA_CNTRL_2_OFFSET,
+			  THC_M_PRT_READ_DMA_CNTRL_START, 0);
+}
+EXPORT_SYMBOL_NS_GPL(thc_dma_unconfigure, "INTEL_THC");
+
+static int thc_wait_for_dma_pause(struct thc_device *dev, enum thc_dma_channel channel)
+{
+	u32 ctrl_reg, sts_reg, sts;
+	int ret;
+
+	ctrl_reg = (channel == THC_RXDMA1) ? THC_M_PRT_READ_DMA_CNTRL_1_OFFSET :
+			((channel == THC_RXDMA2) ? THC_M_PRT_READ_DMA_CNTRL_2_OFFSET :
+						   THC_M_PRT_READ_DMA_CNTRL_SW_OFFSET);
+
+	regmap_write_bits(dev->thc_regmap, ctrl_reg, THC_M_PRT_READ_DMA_CNTRL_START, 0);
+
+	sts_reg = (channel == THC_RXDMA1) ? THC_M_PRT_READ_DMA_INT_STS_1_OFFSET :
+			((channel == THC_RXDMA2) ? THC_M_PRT_READ_DMA_INT_STS_2_OFFSET :
+						   THC_M_PRT_READ_DMA_INT_STS_SW_OFFSET);
+
+	ret = regmap_read_poll_timeout(dev->thc_regmap, sts_reg, sts,
+				       !(sts & THC_M_PRT_READ_DMA_INT_STS_ACTIVE),
+				       THC_DEFAULT_RXDMA_POLLING_US_INTERVAL,
+				       THC_DEFAULT_RXDMA_POLLING_US_TIMEOUT);
+
+	if (ret) {
+		dev_err_once(dev->dev,
+			     "Timeout while waiting for DMA %d stop\n", channel);
+		return ret;
+	}
+
+	return 0;
+}
+
+static int read_dma_buffer(struct thc_device *dev,
+			   struct thc_dma_configuration *read_config,
+			   u8 prd_table_index, void *read_buff)
+{
+	struct thc_prd_table *prd_tbl;
+	struct scatterlist *sg;
+	size_t mes_len, ret;
+	u8 nent;
+
+	if (prd_table_index >= read_config->prd_tbl_num) {
+		dev_err_once(dev->dev, "PRD table index %d too big\n", prd_table_index);
+		return -EINVAL;
+	}
+
+	prd_tbl = &read_config->prd_tbls[prd_table_index];
+	mes_len = calc_message_len(prd_tbl, &nent);
+	if (mes_len > read_config->max_packet_size) {
+		dev_err(dev->dev,
+			"Message length %zu is bigger than buffer length %lu\n",
+			mes_len, read_config->max_packet_size);
+		return -EMSGSIZE;
+	}
+
+	sg = read_config->sgls[prd_table_index];
+	ret = sg_copy_to_buffer(sg, nent, read_buff, mes_len);
+	if (ret != mes_len) {
+		dev_err_once(dev->dev, "Copied %zu bytes instead of requested %zu\n",
+			     ret, mes_len);
+		return -EIO;
+	}
+
+	return mes_len;
+}
+
+static void update_write_pointer(struct thc_device *dev,
+				 struct thc_dma_configuration *read_config)
+{
+	u8 write_ptr = dma_get_write_pointer(dev, read_config);
+
+	if (write_ptr + 1 == THC_WRAPAROUND_VALUE_ODD)
+		dma_set_write_pointer(dev, THC_POINTER_WRAPAROUND, read_config);
+	else if (write_ptr + 1 == THC_WRAPAROUND_VALUE_EVEN)
+		dma_set_write_pointer(dev, 0, read_config);
+	else
+		dma_set_write_pointer(dev, write_ptr + 1, read_config);
+}
+
+static int is_dma_buf_empty(struct thc_device *dev,
+			    struct thc_dma_configuration *read_config,
+			    u8 *read_ptr, u8 *write_ptr)
+{
+	*read_ptr = dma_get_read_pointer(dev, read_config);
+	*write_ptr = dma_get_write_pointer(dev, read_config);
+
+	if ((*read_ptr & THC_POINTER_MASK) == (*write_ptr & THC_POINTER_MASK))
+		if (*read_ptr != *write_ptr)
+			return true;
+
+	return false;
+}
+
+static int thc_dma_read(struct thc_device *dev,
+			struct thc_dma_configuration *read_config,
+			void *read_buff, size_t *read_len, int *read_finished)
+{
+	u8 read_ptr, write_ptr, prd_table_index;
+	int status;
+
+	if (!is_dma_buf_empty(dev, read_config, &read_ptr, &write_ptr)) {
+		prd_table_index = write_ptr & THC_POINTER_MASK;
+
+		status = read_dma_buffer(dev, read_config, prd_table_index, read_buff);
+		if (status <= 0) {
+			dev_err_once(dev->dev, "read DMA buffer failed %d\n", status);
+			return -EIO;
+		}
+
+		*read_len = status;
+
+		/* Clear the relevant PRD table */
+		thc_copy_one_sgl_to_prd(dev, read_config, prd_table_index);
+
+		/* Increment the write pointer to let the HW know we have processed this PRD */
+		update_write_pointer(dev, read_config);
+	}
+
+	/*
+	 * This function only reads one frame from PRD table for each call, so we need to
+	 * check if all DMAed data is read out and return the flag to the caller. Caller
+	 * should repeatedly call thc_dma_read() until all DMAed data is handled.
+	 */
+	if (read_finished)
+		*read_finished = is_dma_buf_empty(dev, read_config, &read_ptr, &write_ptr) ? 1 : 0;
+
+	return 0;
+}
+
+/**
+ * thc_rxdma_read - Read data from RXDMA buffer
+ *
+ * @dev: The pointer of THC private device context
+ * @dma_channel: The RXDMA engine of read data source
+ * @read_buff: The pointer of the read data buffer
+ * @read_len: The pointer of the read data length
+ * @read_finished: The pointer of the flag indicating if all pending data has been read out
+ *
+ * Return: 0 on success, other error codes on failed.
+ */
+int thc_rxdma_read(struct thc_device *dev, enum thc_dma_channel dma_channel,
+		   void *read_buff, size_t *read_len, int *read_finished)
+{
+	struct thc_dma_configuration *dma_config;
+	int ret;
+
+	dma_config = &dev->dma_ctx->dma_config[dma_channel];
+
+	if (!dma_config->is_enabled) {
+		dev_err_once(dev->dev, "The DMA channel %d is not enabled", dma_channel);
+		return -EINVAL;
+	}
+
+	if (!read_buff || !read_len) {
+		dev_err(dev->dev, "Invalid input parameters, read_buff %p, read_len %p\n",
+			read_buff, read_len);
+		return -EINVAL;
+	}
+
+	if (dma_channel >= THC_TXDMA) {
+		dev_err(dev->dev, "Unsupported DMA channel for RxDMA read, %d\n", dma_channel);
+		return -EINVAL;
+	}
+
+	ret = thc_dma_read(dev, dma_config, read_buff, read_len, read_finished);
+
+	return ret;
+}
+EXPORT_SYMBOL_NS_GPL(thc_rxdma_read, "INTEL_THC");
+
+static int thc_swdma_read_start(struct thc_device *dev, void *write_buff,
+				size_t write_len, u32 *prd_tbl_len)
+{
+	u32 mask, val, data0 = 0, data1 = 0;
+	int ret;
+
+	ret = thc_interrupt_quiesce(dev, true);
+	if (ret)
+		return ret;
+
+	if (thc_wait_for_dma_pause(dev, THC_RXDMA1) || thc_wait_for_dma_pause(dev, THC_RXDMA2))
+		return -EIO;
+
+	thc_reset_dma_settings(dev);
+
+	mask = THC_M_PRT_RPRD_CNTRL_SW_THC_SWDMA_I2C_WBC |
+	       THC_M_PRT_RPRD_CNTRL_SW_THC_SWDMA_I2C_RX_DLEN_EN;
+	val = FIELD_PREP(THC_M_PRT_RPRD_CNTRL_SW_THC_SWDMA_I2C_WBC, write_len) |
+	      ((!prd_tbl_len) ? THC_M_PRT_RPRD_CNTRL_SW_THC_SWDMA_I2C_RX_DLEN_EN : 0);
+	regmap_write_bits(dev->thc_regmap, THC_M_PRT_RPRD_CNTRL_SW_OFFSET,
+			  mask, val);
+
+	if (prd_tbl_len) {
+		mask = THC_M_PRT_SW_DMA_PRD_TABLE_LEN_THC_M_PRT_SW_DMA_PRD_TABLE_LEN;
+		val = FIELD_PREP(THC_M_PRT_SW_DMA_PRD_TABLE_LEN_THC_M_PRT_SW_DMA_PRD_TABLE_LEN,
+				 *prd_tbl_len);
+		regmap_write_bits(dev->thc_regmap, THC_M_PRT_SW_DMA_PRD_TABLE_LEN_OFFSET,
+				  mask, val);
+	}
+
+	if (write_len <= sizeof(u32)) {
+		for (int i = 0; i < write_len; i++)
+			data0 |= *(((u8 *)write_buff) + i) << (i * 8);
+
+		regmap_write(dev->thc_regmap, THC_M_PRT_SW_SEQ_DATA0_ADDR_OFFSET, data0);
+	} else if (write_len <= 2 * sizeof(u32)) {
+		data0 = *(u32 *)write_buff;
+		regmap_write(dev->thc_regmap, THC_M_PRT_SW_SEQ_DATA0_ADDR_OFFSET, data0);
+
+		for (int i = 0; i < write_len - sizeof(u32); i++)
+			data1 |= *(((u8 *)write_buff) + sizeof(u32) + i) << (i * 8);
+
+		regmap_write(dev->thc_regmap, THC_M_PRT_SW_SEQ_DATA1_OFFSET, data1);
+	}
+	dma_set_start_bit(dev, &dev->dma_ctx->dma_config[THC_SWDMA]);
+
+	return 0;
+}
+
+static int thc_swdma_read_completion(struct thc_device *dev)
+{
+	int ret;
+
+	ret = thc_wait_for_dma_pause(dev, THC_SWDMA);
+	if (ret)
+		return ret;
+
+	thc_reset_dma_settings(dev);
+
+	dma_set_start_bit(dev, &dev->dma_ctx->dma_config[THC_RXDMA2]);
+
+	ret = thc_interrupt_quiesce(dev, false);
+
+	return ret;
+}
+
+/**
+ * thc_swdma_read - Use software DMA to read data from touch device
+ *
+ * @dev: The pointer of THC private device context
+ * @write_buff: The pointer of write buffer for SWDMA sequence
+ * @write_len: The write data length for SWDMA sequence
+ * @prd_tbl_len: The prd table length of SWDMA engine, can be set to NULL
+ * @read_buff: The pointer of the read data buffer
+ * @read_len: The pointer of the read data length
+ *
+ * Return: 0 on success, other error codes on failed.
+ */
+int thc_swdma_read(struct thc_device *dev, void *write_buff, size_t write_len,
+		   u32 *prd_tbl_len, void *read_buff, size_t *read_len)
+{
+	int ret;
+
+	if (!(&dev->dma_ctx->dma_config[THC_SWDMA])->is_enabled) {
+		dev_err_once(dev->dev, "The SWDMA channel is not enabled");
+		return -EINVAL;
+	}
+
+	if (!read_buff || !read_len) {
+		dev_err(dev->dev, "Invalid input parameters, read_buff %p, read_len %p\n",
+			read_buff, read_len);
+		return -EINVAL;
+	}
+
+	if (mutex_lock_interruptible(&dev->thc_bus_lock))
+		return -EINTR;
+
+	dev->swdma_done = false;
+
+	ret = thc_swdma_read_start(dev, write_buff, write_len, prd_tbl_len);
+	if (ret)
+		goto end;
+
+	ret = wait_event_interruptible_timeout(dev->swdma_complete_wait, dev->swdma_done, 1 * HZ);
+	if (ret <= 0 || !dev->swdma_done) {
+		dev_err_once(dev->dev, "timeout for waiting SWDMA completion\n");
+		ret = -ETIMEDOUT;
+		goto end;
+	}
+
+	ret = thc_dma_read(dev, &dev->dma_ctx->dma_config[THC_SWDMA], read_buff, read_len, NULL);
+	if (ret)
+		goto end;
+
+	ret = thc_swdma_read_completion(dev);
+
+end:
+	mutex_unlock(&dev->thc_bus_lock);
+	return ret;
+}
+EXPORT_SYMBOL_NS_GPL(thc_swdma_read, "INTEL_THC");
+
+static int write_dma_buffer(struct thc_device *dev,
+			    void *buffer, size_t buf_len)
+{
+	struct thc_dma_configuration *write_config = &dev->dma_ctx->dma_config[THC_TXDMA];
+	struct thc_prd_table *prd_tbl;
+	struct scatterlist *sg;
+	unsigned long len_left;
+	size_t ret;
+	u8 nent;
+	int i;
+
+	/* There is only one PRD table for write */
+	prd_tbl = &write_config->prd_tbls[0];
+
+	if (calc_prd_entries_num(prd_tbl, buf_len, &nent) < 0) {
+		dev_err(dev->dev, "Tx message length too big (%zu)\n", buf_len);
+		return -EOVERFLOW;
+	}
+
+	sg = write_config->sgls[0];
+	ret = sg_copy_from_buffer(sg, nent, buffer, buf_len);
+	if (ret != buf_len) {
+		dev_err_once(dev->dev, "Copied %zu bytes instead of requested %zu\n",
+			     ret, buf_len);
+		return -EIO;
+	}
+
+	prd_tbl = &write_config->prd_tbls[0];
+	len_left = buf_len;
+
+	for_each_sg(write_config->sgls[0], sg, write_config->sgls_nent[0], i) {
+		if (sg_dma_address(sg) == 0 || sg_dma_len(sg) == 0) {
+			dev_err_once(dev->dev, "SGList: zero address or length\n");
+			return -EINVAL;
+		}
+
+		prd_tbl->entries[i].dest_addr =
+				sg_dma_address(sg) >> THC_ADDRESS_SHIFT;
+
+		if (len_left < sg_dma_len(sg)) {
+			prd_tbl->entries[i].len = len_left;
+			prd_tbl->entries[i].end_of_prd = 1;
+			break;
+		}
+
+		prd_tbl->entries[i].len = sg_dma_len(sg);
+		prd_tbl->entries[i].end_of_prd = 0;
+
+		len_left -= sg_dma_len(sg);
+	}
+
+	dma_set_prd_control(dev, i, 0, write_config);
+
+	return 0;
+}
+
+static void thc_ensure_performance_limitations(struct thc_device *dev)
+{
+	unsigned long delay_usec = 0;
+	/*
+	 * Minimum amount of delay the THC / QUICKSPI driver must wait
+	 * between end of write operation and begin of read operation.
+	 * This value shall be in 10us multiples.
+	 */
+	if (dev->perf_limit > 0) {
+		delay_usec = dev->perf_limit * 10;
+		udelay(delay_usec);
+	}
+}
+
+static void thc_dma_write_completion(struct thc_device *dev)
+{
+	thc_ensure_performance_limitations(dev);
+}
+
+/**
+ * thc_dma_write - Use TXDMA to write data to touch device
+ *
+ * @dev: The pointer of THC private device context
+ * @buffer: The pointer of write data buffer
+ * @buf_len: The write data length
+ *
+ * Return: 0 on success, other error codes on failed.
+ */
+int thc_dma_write(struct thc_device *dev, void *buffer, size_t buf_len)
+{
+	bool restore_interrupts = false;
+	u32 sts, ctrl;
+	int ret;
+
+	if (!(&dev->dma_ctx->dma_config[THC_TXDMA])->is_enabled) {
+		dev_err_once(dev->dev, "The TxDMA channel is not enabled\n");
+		return -EINVAL;
+	}
+
+	if (!buffer || buf_len <= 0) {
+		dev_err(dev->dev, "Invalid input parameters, buffer %p\n, buf_len %zu\n",
+			buffer, buf_len);
+		return -EINVAL;
+	}
+
+	regmap_read(dev->thc_regmap, THC_M_PRT_WRITE_INT_STS_OFFSET, &sts);
+	if (sts & THC_M_PRT_WRITE_INT_STS_THC_WRDMA_ACTIVE) {
+		dev_err_once(dev->dev, "THC TxDMA is till active and can't start again\n");
+		return -EBUSY;
+	}
+
+	if (mutex_lock_interruptible(&dev->thc_bus_lock))
+		return -EINTR;
+
+	regmap_read(dev->thc_regmap, THC_M_PRT_CONTROL_OFFSET, &ctrl);
+
+	ret = write_dma_buffer(dev, buffer, buf_len);
+	if (ret)
+		goto end;
+
+	if (dev->perf_limit && !(ctrl & THC_M_PRT_CONTROL_THC_DEVINT_QUIESCE_HW_STS)) {
+		ret = thc_interrupt_quiesce(dev, true);
+		if (ret)
+			goto end;
+
+		restore_interrupts = true;
+	}
+
+	dev->write_done = false;
+
+	dma_set_start_bit(dev, &dev->dma_ctx->dma_config[THC_TXDMA]);
+
+	ret = wait_event_interruptible_timeout(dev->write_complete_wait, dev->write_done, 1 * HZ);
+	if (ret <= 0 || !dev->write_done) {
+		dev_err_once(dev->dev, "timeout for waiting TxDMA completion\n");
+		ret = -ETIMEDOUT;
+		goto end;
+	}
+
+	thc_dma_write_completion(dev);
+	mutex_unlock(&dev->thc_bus_lock);
+	return 0;
+
+end:
+	mutex_unlock(&dev->thc_bus_lock);
+
+	if (restore_interrupts)
+		ret = thc_interrupt_quiesce(dev, false);
+
+	return ret;
+}
+EXPORT_SYMBOL_NS_GPL(thc_dma_write, "INTEL_THC");
diff --git a/drivers/hid/intel-thc-hid/intel-thc/intel-thc-dma.h b/drivers/hid/intel-thc-hid/intel-thc/intel-thc-dma.h
new file mode 100644
index 000000000000..ca923ff2bef9
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/intel-thc/intel-thc-dma.h
@@ -0,0 +1,146 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2024 Intel Corporation */
+
+#ifndef _INTEL_THC_DMA_H_
+#define _INTEL_THC_DMA_H_
+
+#include <linux/bits.h>
+#include <linux/dma-mapping.h>
+#include <linux/sizes.h>
+#include <linux/time64.h>
+#include <linux/types.h>
+
+#define THC_POINTER_MASK		GENMASK(6, 0)
+#define THC_POINTER_WRAPAROUND		0x80
+#define THC_WRAPAROUND_VALUE_ODD	0x10
+#define THC_WRAPAROUND_VALUE_EVEN	0x90
+#define THC_MIN_BYTES_PER_SG_LIST_ENTRY SZ_4K
+
+#define THC_DEFAULT_RXDMA_POLLING_US_INTERVAL 100
+#define THC_DEFAULT_RXDMA_POLLING_US_TIMEOUT  (10 * USEC_PER_MSEC)
+
+/*
+ * THC needs 1KB aligned address, dest_addr is 54 bits, not 64,
+ * so don't need to send the lower 10-bits of address.
+ */
+#define THC_ADDRESS_SHIFT 10
+
+/**
+ * THC DMA channels:
+ * @THC_RXDMA1: legacy channel, reserved for raw data reading
+ * @THC_RXDMA2: DMA to read HID data from touch device
+ * @THC_TXDMA: DMA to write to touch device
+ * @THC_SWDMA: SW triggered DMA to write and read from touch device
+ */
+enum thc_dma_channel {
+	THC_RXDMA1 = 0,
+	THC_RXDMA2 = 1,
+	THC_TXDMA = 2,
+	THC_SWDMA = 3,
+	MAX_THC_DMA_CHANNEL
+};
+
+/**
+ * THC DMA Physical Memory Descriptor (PRD)
+ * @dest_addr:		bit[53:0], destination address in system memory
+ * @int_on_completion:	bit[63], if set, thc will trigger interrupt to driver
+ * @len:		bit[87:64], length of this entry
+ * @end_of_prd:		bit[88], if set, this entry is last one of current PRD table
+ * @hw_status:		bit[90:89], hw status bits
+ */
+struct thc_prd_entry {
+	u64  dest_addr : 54;
+	u64  reserved1 : 9;
+	u64  int_on_completion : 1;
+	u64  len : 24;
+	u64  end_of_prd : 1;
+	u64  hw_status : 2;
+	u64  reserved2 : 37;
+};
+
+/*
+ * Max OS memory fragmentation will be at a 4KB boundary, thus to address 1MB
+ * of virtually contiguous memory 256 PRD entries are required for a single
+ * PRD Table. SW writes the number of PRD Entries for each PRD table in the
+ * THC_M_PRT_RPRD_CNTRL.PTEC register field. The PRD entry's length must be
+ * multiple of 4KB except for the last entry in a PRD table.
+ * This is the max possible number of etries supported by HW, in practise we
+ * there will be less entries in each prd table(the actual number will be
+ * given by scatter-gather list allocation).
+ */
+#define PRD_ENTRIES_NUM 16
+
+/*
+ * Number of PRD tables equals to number of data buffers.
+ * The max number of PRD tables supported by the HW is 128,
+ * but we allocate only 16.
+ */
+#define PRD_TABLES_NUM  16
+
+/* THC DMA Physical Memory Descriptor Table */
+struct thc_prd_table {
+	struct thc_prd_entry entries[PRD_ENTRIES_NUM];
+};
+
+#define PRD_TABLE_SIZE	sizeof(struct thc_prd_table)
+
+/**
+ * struct thc_dma_configuration - THC DMA configure
+ * @dma_channel: DMA channel for current DMA configuration
+ * @prd_tbls_dma_handle: DMA buffer handle
+ * @dir: direction of DMA for this config
+ * @prd_tbls: PRD tables for current DMA
+ * @sgls: array of pointers to scatter-gather lists
+ * @sgls_nent: actual number of entries per sg list
+ * @prd_tbl_num: actual number of PRD tables
+ * @max_packet_size: size of the buffer needed for 1 DMA message (1 PRD table)
+ * @prd_base_addr_high: High 32bits memory address where stores PRD table
+ * @prd_base_addr_low: low 32bits memory address where stores PRD table
+ * @prd_cntrl: PRD control register value
+ * @dma_cntrl: DMA control register value
+ */
+struct thc_dma_configuration {
+	enum thc_dma_channel dma_channel;
+	dma_addr_t prd_tbls_dma_handle;
+	enum dma_data_direction dir;
+	bool is_enabled;
+
+	struct thc_prd_table *prd_tbls;
+	struct scatterlist *sgls[PRD_TABLES_NUM];
+	u8 sgls_nent[PRD_TABLES_NUM];
+	u8 prd_tbl_num;
+
+	size_t max_packet_size;
+	u32 prd_base_addr_high;
+	u32 prd_base_addr_low;
+	u32 prd_cntrl;
+	u32 dma_cntrl;
+};
+
+/*
+ * THC DMA context
+ * Store all THC Channel configures
+ */
+struct thc_dma_context {
+	struct thc_dma_configuration dma_config[MAX_THC_DMA_CHANNEL];
+	u8 use_write_interrupts;
+};
+
+struct thc_device;
+
+int  thc_dma_set_max_packet_sizes(struct thc_device *dev,
+				  size_t mps_read1, size_t mps_read2,
+				  size_t mps_write, size_t mps_swdma);
+int  thc_dma_allocate(struct thc_device *dev);
+int  thc_dma_configure(struct thc_device *dev);
+void thc_dma_unconfigure(struct thc_device *dev);
+void thc_dma_release(struct thc_device *dev);
+int  thc_rxdma_read(struct thc_device *dev, enum thc_dma_channel dma_channel,
+		    void *read_buff, size_t *read_len, int *read_finished);
+int  thc_swdma_read(struct thc_device *dev, void *write_buff, size_t write_len,
+		    u32 *prd_tbl_len, void *read_buff, size_t *read_len);
+int  thc_dma_write(struct thc_device *dev, void *buffer, size_t buf_len);
+
+struct thc_dma_context *thc_dma_init(struct thc_device *dev);
+
+#endif /* _INTEL_THC_DMA_H_ */
diff --git a/drivers/hid/intel-thc-hid/intel-thc/intel-thc-hw.h b/drivers/hid/intel-thc-hid/intel-thc/intel-thc-hw.h
new file mode 100644
index 000000000000..6729c4c25dab
--- /dev/null
+++ b/drivers/hid/intel-thc-hid/intel-thc/intel-thc-hw.h
@@ -0,0 +1,881 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2024 Intel Corporation */
+
+#ifndef _INTEL_THC_HW_H_
+#define _INTEL_THC_HW_H_
+
+#include <linux/bits.h>
+
+/* THC registers offset */
+/* Touch Host Controller Control Register */
+#define THC_M_PRT_CONTROL_OFFSET		0x1008
+/* THC SPI Bus Configuration Register */
+#define THC_M_PRT_SPI_CFG_OFFSET		0x1010
+/* THC SPI Bus Read Opcode Register */
+#define THC_M_PRT_SPI_ICRRD_OPCODE_OFFSET	0x1014
+/* THC SPI Bus Read Opcode Register */
+#define THC_M_PRT_SPI_DMARD_OPCODE_OFFSET	0x1018
+/* THC SPI Bus Write Opcode Register */
+#define THC_M_PRT_SPI_WR_OPCODE_OFFSET		0x101C
+/* THC Interrupt Enable Register */
+#define THC_M_PRT_INT_EN_OFFSET			0x1020
+/* THC Interrupt Status Register */
+#define THC_M_PRT_INT_STATUS_OFFSET		0x1024
+/* THC Error Cause Register */
+#define THC_M_PRT_ERR_CAUSE_OFFSET		0x1028
+/* THC SW sequencing Control */
+#define THC_M_PRT_SW_SEQ_CNTRL_OFFSET		0x1040
+/* THC SW sequencing Status */
+#define THC_M_PRT_SW_SEQ_STS_OFFSET		0x1044
+/* THC SW Sequencing Data DW0 or SPI Address Register */
+#define THC_M_PRT_SW_SEQ_DATA0_ADDR_OFFSET	0x1048
+/* THC SW sequencing Data DW1 */
+#define THC_M_PRT_SW_SEQ_DATA1_OFFSET		0x104C
+/* THC SW sequencing Data DW2 */
+#define THC_M_PRT_SW_SEQ_DATA2_OFFSET		0x1050
+/* THC SW sequencing Data DW3 */
+#define THC_M_PRT_SW_SEQ_DATA3_OFFSET		0x1054
+/* THC SW sequencing Data DW4 */
+#define THC_M_PRT_SW_SEQ_DATA4_OFFSET		0x1058
+/* THC SW sequencing Data DW5 */
+#define THC_M_PRT_SW_SEQ_DATA5_OFFSET		0x105C
+/* THC SW sequencing Data DW6 */
+#define THC_M_PRT_SW_SEQ_DATA6_OFFSET		0x1060
+/* THC SW sequencing Data DW7 */
+#define THC_M_PRT_SW_SEQ_DATA7_OFFSET		0x1064
+/* THC SW sequencing Data DW8 */
+#define THC_M_PRT_SW_SEQ_DATA8_OFFSET		0x1068
+/* THC SW sequencing Data DW9 */
+#define THC_M_PRT_SW_SEQ_DATA9_OFFSET		0x106C
+/* THC SW sequencing Data DW10 */
+#define THC_M_PRT_SW_SEQ_DATA10_OFFSET		0x1070
+/* THC SW sequencing Data DW11 */
+#define THC_M_PRT_SW_SEQ_DATA11_OFFSET		0x1074
+/* THC SW sequencing Data DW12 */
+#define THC_M_PRT_SW_SEQ_DATA12_OFFSET		0x1078
+/* THC SW sequencing Data DW13 */
+#define THC_M_PRT_SW_SEQ_DATA13_OFFSET		0x107C
+/* THC SW sequencing Data DW14 */
+#define THC_M_PRT_SW_SEQ_DATA14_OFFSET		0x1080
+/* THC SW sequencing Data DW15 */
+#define THC_M_PRT_SW_SEQ_DATA15_OFFSET		0x1084
+/* THC SW sequencing Data DW16 */
+#define THC_M_PRT_SW_SEQ_DATA16_OFFSET		0x1088
+/* THC Write PRD Base Address Register Low */
+#define THC_M_PRT_WPRD_BA_LOW_OFFSET		0x1090
+/* THC Write PRD Base Address Register High */
+#define THC_M_PRT_WPRD_BA_HI_OFFSET		0x1094
+/* THC Write DMA Control */
+#define THC_M_PRT_WRITE_DMA_CNTRL_OFFSET	0x1098
+/* THC Write Interrupt Status */
+#define THC_M_PRT_WRITE_INT_STS_OFFSET		0x109C
+/* THC Write DMA Error Register */
+#define THC_M_PRT_WRITE_DMA_ERR_OFFSET		0x10A0
+/* THC device address for the bulk write */
+#define THC_M_PRT_WR_BULK_ADDR_OFFSET		0x10B4
+/* THC Device Interrupt Cause Register Address */
+#define THC_M_PRT_DEV_INT_CAUSE_ADDR_OFFSET	0x10B8
+/* THC Device Interrupt Cause Register Value */
+#define THC_M_PRT_DEV_INT_CAUSE_REG_VAL_OFFSET	0x10BC
+/* THC TXDMA Frame Count */
+#define THC_M_PRT_TX_FRM_CNT_OFFSET		0x10E0
+/* THC TXDMA Packet Count */
+#define THC_M_PRT_TXDMA_PKT_CNT_OFFSET		0x10E4
+/* THC Device Interrupt Count on this port */
+#define THC_M_PRT_DEVINT_CNT_OFFSET		0x10E8
+/* Touch Device Interrupt Cause register Format Configuration Register 1 */
+#define THC_M_PRT_DEVINT_CFG_1_OFFSET		0x10EC
+/* Touch Device Interrupt Cause register Format Configuration Register 2 */
+#define THC_M_PRT_DEVINT_CFG_2_OFFSET		0x10F0
+/* THC Read PRD Base Address Low for the 1st RXDMA */
+#define THC_M_PRT_RPRD_BA_LOW_1_OFFSET		0x1100
+/* THC Read PRD Base Address High for the 1st RXDMA */
+#define THC_M_PRT_RPRD_BA_HI_1_OFFSET		0x1104
+/* THC Read PRD Control for the 1st RXDMA */
+#define THC_M_PRT_RPRD_CNTRL_1_OFFSET		0x1108
+/* THC Read DMA Control for the 1st RXDMA */
+#define THC_M_PRT_READ_DMA_CNTRL_1_OFFSET	0x110C
+/* THC Read Interrupt Status for the 1st RXDMA */
+#define THC_M_PRT_READ_DMA_INT_STS_1_OFFSET	0x1110
+/* THC Read DMA Error Register for the 1st RXDMA */
+#define THC_M_PRT_READ_DMA_ERR_1_OFFSET		0x1114
+/* Touch Sequencer GuC Tail Offset Address Low for the 1st RXDMA */
+#define THC_M_PRT_GUC_OFFSET_LOW_1_OFFSET	0x1118
+/* Touch Sequencer GuC Tail Offset Address High for the 1st RXDMA */
+#define THC_M_PRT_GUC_OFFSET_HI_1_OFFSET	0x111C
+/* Touch Host Controller GuC Work Queue Item Size for the 1st RXDMA */
+#define THC_M_PRT_GUC_WORKQ_ITEM_SZ_1_OFFSET	0x1120
+/* Touch Host Controller GuC Control register for the 1st RXDMA */
+#define THC_M_PRT_GUC_WORKQ_SZ_1_OFFSET		0x1124
+/* Touch Sequencer Control for the 1st DMA */
+#define THC_M_PRT_TSEQ_CNTRL_1_OFFSET		0x1128
+/* Touch Sequencer GuC Doorbell Address Low for the 1st RXDMA */
+#define THC_M_PRT_GUC_DB_ADDR_LOW_1_OFFSET	0x1130
+/* Touch Sequencer GuC Doorbell Address High for the 1st RXDMA */
+#define THC_M_PRT_GUC_DB_ADDR_HI_1_OFFSET	0x1134
+/* Touch Sequencer GuC Doorbell Data */
+#define THC_M_PRT_GUC_DB_DATA_1_OFFSET		0x1138
+/* Touch Sequencer GuC Tail Offset Initial Value for the 1st RXDMA */
+#define THC_M_PRT_GUC_OFFSET_INITVAL_1_OFFSET	0x1140
+/* THC Device Address for the bulk/touch data read for the 1st RXDMA */
+#define THC_M_PRT_RD_BULK_ADDR_1_OFFSET		0x1170
+/* THC Gfx/SW Doorbell Count from the 1st Stream RXDMA on this port */
+#define THC_M_PRT_DB_CNT_1_OFFSET		0x11A0
+/* THC Frame Count from the 1st Stream RXDMA on this port */
+#define THC_M_PRT_FRM_CNT_1_OFFSET		0x11A4
+/* THC Micro Frame Count from the 1st Stream RXDMA on this port */
+#define THC_M_PRT_UFRM_CNT_1_OFFSET		0x11A8
+/* THC Packet Count from the 1st Stream RXDMA on this port */
+#define THC_M_PRT_RXDMA_PKT_CNT_1_OFFSET	0x11AC
+/*
+ * THC Software Interrupt Count from the 1st Stream RXDMA
+ * on this port
+ */
+#define THC_M_PRT_SWINT_CNT_1_OFFSET		0x11B0
+/* Touch Sequencer Frame Drop Counter for the 1st RXDMA */
+#define THC_M_PRT_FRAME_DROP_CNT_1_OFFSET	0x11B4
+/* THC Coaescing 1 */
+#define THC_M_PRT_COALESCE_1_OFFSET		0x11B8
+/* THC Read PRD Base Address Low for the 2nd RXDMA */
+#define THC_M_PRT_RPRD_BA_LOW_2_OFFSET		0x1200
+/* THC Read PRD Base Address High for the 2nd RXDMA */
+#define THC_M_PRT_RPRD_BA_HI_2_OFFSET		0x1204
+/* THC Read PRD Control for the 2nd RXDMA */
+#define THC_M_PRT_RPRD_CNTRL_2_OFFSET		0x1208
+/* THC Read DMA Control for the 2nd RXDMA */
+#define THC_M_PRT_READ_DMA_CNTRL_2_OFFSET	0x120C
+/* THC Read Interrupt Status for the 2nd RXDMA */
+#define THC_M_PRT_READ_DMA_INT_STS_2_OFFSET	0x1210
+/* THC Read DMA Error Register for the 2nd RXDMA */
+#define THC_M_PRT_READ_DMA_ERR_2_OFFSET		0x1214
+/* Touch Sequencer GuC Tail Offset Address Low for the 2nd RXDMA */
+#define THC_M_PRT_GUC_OFFSET_LOW_2_OFFSET	0x1218
+/* Touch Sequencer GuC Tail Offset Address High for the 2nd RXDMA */
+#define THC_M_PRT_GUC_OFFSET_HI_2_OFFSET	0x121C
+/* Touch Host Controller GuC Work Queue Item Size for the 2nd RXDMA */
+#define THC_M_PRT_GUC_WORKQ_ITEM_SZ_2_OFFSET	0x1220
+/* Touch Host Controller GuC Control register for the 2nd RXDMA */
+#define THC_M_PRT_GUC_WORKQ_SZ_2_OFFSET		0x1224
+/* Touch Sequencer Control for the 2nd DMA */
+#define THC_M_PRT_TSEQ_CNTRL_2_OFFSET		0x1228
+/* Touch Sequencer GuC Doorbell Address Low for the 2nd RXDMA */
+#define THC_M_PRT_GUC_DB_ADDR_LOW_2_OFFSET	0x1230
+/* Touch Sequencer GuC Doorbell Address High for the 2nd RXDMA */
+#define THC_M_PRT_GUC_DB_ADDR_HI_2_OFFSET	0x1234
+/* Touch Sequencer GuC Doorbell Data for PRD2 */
+#define THC_M_PRT_GUC_DB_DATA_2_OFFSET		0x1238
+/* Touch Sequencer GuC Tail Offset Initial Value for the 2nd RXDMA */
+#define THC_M_PRT_GUC_OFFSET_INITVAL_2_OFFSET	0x1240
+/* THC Device Address for the bulk/touch data read for the 2nd RXDMA */
+#define THC_M_PRT_RD_BULK_ADDR_2_OFFSET		0x1270
+/* THC Gfx/SW Doorbell Count from the 2nd Stream RXDMA on this port */
+#define THC_M_PRT_DB_CNT_2_OFFSET		0x12A0
+/* THC Frame Count from the 2nd Stream RXDMA on this port */
+#define THC_M_PRT_FRM_CNT_2_OFFSET		0x12A4
+/* THC Micro Frame Count from the 2nd Stream RXDMA on this port */
+#define THC_M_PRT_UFRM_CNT_2_OFFSET		0x12A8
+/* THC Packet Count from the 2nd Stream RXDMA on this port */
+#define THC_M_PRT_RXDMA_PKT_CNT_2_OFFSET	0x12AC
+/*
+ * THC Software Interrupt Count from the 2nd Stream RXDMA
+ * on this port
+ */
+#define THC_M_PRT_SWINT_CNT_2_OFFSET		0x12B0
+/* Touch Sequencer Frame Drop Counter for the 2nd RXDMA */
+#define THC_M_PRT_FRAME_DROP_CNT_2_OFFSET	0x12B4
+/* THC Coaescing 2 */
+#define THC_M_PRT_COALESCE_2_OFFSET		0x12B8
+/* THC SPARE REGISTER */
+#define THC_M_PRT_SPARE_REG_OFFSET		0x12BC
+/* THC Read PRD Base Address Low for the SW RXDMA */
+#define THC_M_PRT_RPRD_BA_LOW_SW_OFFSET		0x12C0
+/* THC Read PRD Base Address High for the SW RXDMA */
+#define THC_M_PRT_RPRD_BA_HI_SW_OFFSET		0x12C4
+/* THC Read PRD Control for the SW RXDMA */
+#define THC_M_PRT_RPRD_CNTRL_SW_OFFSET		0x12C8
+/* THC Read DMA Control for the SW RXDMA */
+#define THC_M_PRT_READ_DMA_CNTRL_SW_OFFSET	0x12CC
+/* THC Read Interrupt Status for the SW RXDMA */
+#define THC_M_PRT_READ_DMA_INT_STS_SW_OFFSET	0x12D0
+/* Touch Sequencer Control for the SW DMA */
+#define THC_M_PRT_TSEQ_CNTRL_SW_OFFSET		0x12D4
+/* Address for the bulk read for SW DMA engine */
+#define THC_M_PRT_RD_BULK_ADDR_SW_OFFSET	0x12D8
+/* THC Frame Count from the SW RXDMA on this port */
+#define THC_M_PRT_FRM_CNT_SW_OFFSET		0x12DC
+/* THC Packet Count from the SW RXDMA on this port */
+#define THC_M_PRT_RXDMA_PKT_CNT_SW_OFFSET	0x12E0
+/* SW DMA PRD Table Length */
+#define THC_M_PRT_SW_DMA_PRD_TABLE_LEN_OFFSET	0x12E4
+/* THC timing based Frame/Interrupt caolescing control register for 1st RXDMA */
+#define THC_M_PRT_COALESCE_CNTRL_1_OFFSET	0x12E8
+/* THC timing based Frame/Interrupt caolescing control register for 2nd RXDMA */
+#define THC_M_PRT_COALESCE_CNTRL_2_OFFSET	0x12EC
+/* Touch Sequencer PRD Table Empty Counter for the 1st RXDMA */
+#define THC_M_PRT_PRD_EMPTY_CNT_1_OFFSET	0x12F0
+/* Touch Sequencer PRD Table Empty Counter for the 2nd RXDM */
+#define THC_M_PRT_PRD_EMPTY_CNT_2_OFFSET	0x12F4
+/* THC coalescing status to reflect the current coalescing FSM state for 1st RXDMA */
+#define THC_M_PRT_COALESCE_STS_1_OFFSET		0x12F8
+/* THC coalescing status to reflect the current coalescing FSM state for 2nd RXDMA */
+#define THC_M_PRT_COALESCE_STS_2_OFFSET		0x12FC
+/* THC Register for the SPI Port Duty Cycle Configuration */
+#define THC_M_PRT_SPI_DUTYC_CFG_OFFSET		0x1300
+/* THC Register for SW I2C Wtite Sequecning control */
+#define THC_M_PRT_SW_SEQ_I2C_WR_CNTRL_OFFSET	0x1304
+/* THC current Timestamp Register for RXDMA1 */
+#define THC_M_PRT_TIMESTAMP_1_OFFSET		0x1308
+/* THC current Timestamp Register for RXDMA2 */
+#define THC_M_PRT_TIMESTAMP_2_OFFSET		0x130C
+/* Current SYNC Event Timestamp Register */
+#define THC_M_PRT_SYNC_TIMESTAMP_OFFSET		0x1310
+/* THC Display Sync Register */
+#define THC_M_PRT_DISP_SYNC_OFFSET		0x1314
+/* THC Display Sync Register */
+#define THC_M_PRT_DISP_SYNC_2_OFFSET		0x1318
+/* THC Register for SW I2C Wtite Sequecning control */
+#define THC_M_PRT_I2C_CFG_OFFSET		0x131C
+
+/* THC register bits definition */
+#define TXN_ERR_INT_STS_BIT			BIT(28)
+#define TXN_FATAL_INT_STS_BIT			BIT(30)
+
+#define NONDMA_INT_STS_BIT			BIT(4)
+#define EOF_INT_STS_BIT				BIT(5)
+
+#define THC_CFG_DID_VID_VID		        GENMASK(15, 0)
+#define THC_CFG_DID_VID_DID		        GENMASK(31, 16)
+
+#define THC_CFG_STS_CMD_IOSE			BIT(0)
+#define THC_CFG_STS_CMD_MSE			BIT(1)
+#define THC_CFG_STS_CMD_BME			BIT(2)
+#define THC_CFG_STS_CMD_SPCYC			BIT(3)
+#define THC_CFG_STS_CMD_MWRIEN			BIT(4)
+#define THC_CFG_STS_CMD_VGAPS			BIT(5)
+#define THC_CFG_STS_CMD_PERRR			BIT(6)
+#define THC_CFG_STS_CMD_SERREN			BIT(8)
+#define THC_CFG_STS_CMD_FBTBEN			BIT(9)
+#define THC_CFG_STS_CMD_INTD			BIT(10)
+#define THC_CFG_STS_CMD_INTS			BIT(19)
+#define THC_CFG_STS_CMD_CAPL			BIT(20)
+#define THC_CFG_STS_CMD_MCAP			BIT(21)
+#define THC_CFG_STS_CMD_FBTBC			BIT(23)
+#define THC_CFG_STS_CMD_MDPE			BIT(24)
+#define THC_CFG_STS_CMD_DEVT			GENMASK(26, 25)
+#define THC_CFG_STS_CMD_STA			BIT(27)
+#define THC_CFG_STS_CMD_RTA			BIT(28)
+#define THC_CFG_STS_CMD_RMA			BIT(29)
+#define THC_CFG_STS_CMD_SSE			BIT(30)
+#define THC_CFG_STS_CMD_DPE			BIT(31)
+
+#define THC_CFG_CC_RID_RID			GENMASK(7, 0)
+#define THC_CFG_CC_RID_PI			GENMASK(15, 8)
+#define THC_CFG_CC_RID_SCC			GENMASK(23, 16)
+#define THC_CFG_CC_RID_BCC			GENMASK(31, 24)
+
+#define THC_CFG_BIST_HTYPE_LT_CLS_CLSZ		GENMASK(7, 0)
+#define THC_CFG_BIST_HTYPE_LT_CLS_LT		GENMASK(15, 8)
+#define THC_CFG_BIST_HTYPE_LT_CLS_HTYPE		GENMASK(22, 16)
+#define THC_CFG_BIST_HTYPE_LT_CLS_MFD		BIT(23)
+
+#define THC_CFG_BAR0_LOW_MEMSPACE		BIT(0)
+#define THC_CFG_BAR0_LOW_TYP			GENMASK(2, 1)
+#define THC_CFG_BAR0_LOW_PREFETCH		BIT(3)
+#define THC_CFG_BAR0_LOW_MEMSIZE		GENMASK(14, 4)
+#define THC_CFG_BAR0_LOW_MEMBAR			GENMASK(31, 15)
+#define THC_CFG_BAR0_HI_MEMBAR			GENMASK(31, 0)
+
+#define THC_CFG_SID_SVID_SSVID			GENMASK(15, 0)
+#define THC_CFG_SID_SVID_SSID			GENMASK(31, 16)
+
+#define THC_CFG_CAPP_CP				GENMASK(7, 0)
+
+#define THC_CFG_INT_ILINE			GENMASK(7, 0)
+#define THC_CFG_INT_IPIN			GENMASK(15, 8)
+
+#define THC_CFG_UR_STS_CTL_URRE			BIT(0)
+#define THC_CFG_UR_STS_CTL_URD			BIT(1)
+#define THC_CFG_UR_STS_CTL_FD			BIT(2)
+
+#define THC_CFG_MSIMC_MSINP_MSICID_CAPID	GENMASK(7, 0)
+#define THC_CFG_MSIMC_MSINP_MSICID_NXTP	        GENMASK(15, 8)
+#define THC_CFG_MSIMC_MSINP_MSICID_MSIE		BIT(16)
+#define THC_CFG_MSIMC_MSINP_MSICID_MMC	        GENMASK(19, 17)
+#define THC_CFG_MSIMC_MSINP_MSICID_MMEN	        GENMASK(22, 20)
+#define THC_CFG_MSIMC_MSINP_MSICID_XAC		BIT(23)
+#define THC_CFG_MSIMC_MSINP_MSICID_PVMC		BIT(24)
+#define THC_CFG_MSIMA_MADDR		        GENMASK(31, 2)
+#define THC_CFG_MSIMUA_MAUDDR		        GENMASK(31, 0)
+#define THC_CFG_MSIMD_MDAT			GENMASK(15, 0)
+
+#define THC_CFG_PMCAP_PMNP_PMCID_CAPP	        GENMASK(7, 0)
+#define THC_CFG_PMCAP_PMNP_PMCID_NXTP	        GENMASK(15, 8)
+#define THC_CFG_PMCAP_PMNP_PMCID_VER	        GENMASK(18, 16)
+#define THC_CFG_PMCAP_PMNP_PMCID_PMECLK		BIT(19)
+#define THC_CFG_PMCAP_PMNP_PMCID_DSI		BIT(21)
+#define THC_CFG_PMCAP_PMNP_PMCID_AUXC	        GENMASK(24, 22)
+#define THC_CFG_PMCAP_PMNP_PMCID_D1S		BIT(25)
+#define THC_CFG_PMCAP_PMNP_PMCID_D2S		BIT(26)
+#define THC_CFG_PMCAP_PMNP_PMCID_PMES	        GENMASK(31, 27)
+
+#define THC_CFG_PMD_PMCSRBSE_PMCSR_PWRST	GENMASK(1, 0)
+#define THC_CFG_PMD_PMCSRBSE_PMCSR_NSR		BIT(3)
+#define THC_CFG_PMD_PMCSRBSE_PMCSR_PMEEN	BIT(8)
+#define THC_CFG_PMD_PMCSRBSE_PMCSR_DSEL	        GENMASK(12, 9)
+#define THC_CFG_PMD_PMCSRBSE_PMCSR_DS	        GENMASK(14, 13)
+#define THC_CFG_PMD_PMCSRBSE_PMCSR_PMESTS	BIT(15)
+
+#define THC_CFG_DEVIDLE_CAPPID		        GENMASK(7, 0)
+#define THC_CFG_DEVIDLE_NCAPPP		        GENMASK(15, 8)
+#define THC_CFG_DEVIDLE_LENGTH		        GENMASK(23, 16)
+#define THC_CFG_DEVIDLE_REV		        GENMASK(27, 24)
+#define THC_CFG_DEVIDLE_VID		        GENMASK(31, 28)
+
+#define THC_CFG_VSHDR_VSECID		        GENMASK(15, 0)
+#define THC_CFG_VSHDR_VSECR		        GENMASK(19, 16)
+#define THC_CFG_VSHDR_VSECL		        GENMASK(31, 20)
+
+#define THC_CFG_SWLTRPTR_VALID			BIT(0)
+#define THC_CFG_SWLTRPTR_BARNUM		        GENMASK(3, 1)
+#define THC_CFG_SWLTRPTR_SWLTRLOC		GENMASK(31, 4)
+
+#define THC_CFG_DEVIDLEPTR_VALID		BIT(0)
+#define THC_CFG_DEVIDLEPTR_BARNUM		GENMASK(3, 1)
+#define THC_CFG_DEVIDLEPTR_DEVIDLELOC	        GENMASK(31, 4)
+#define THC_CFG_DEVIDLEPOL_POLV		        GENMASK(9, 0)
+#define THC_CFG_DEVIDLEPOL_POLS		        GENMASK(12, 10)
+
+#define THC_CFG_PCE_SPE				BIT(0)
+#define THC_CFG_PCE_I3E				BIT(1)
+#define THC_CFG_PCE_D3HE			BIT(2)
+#define THC_CFG_PCE_SE				BIT(3)
+#define THC_CFG_PCE_HAE				BIT(5)
+
+#define THC_CFG_MANID_PROC			GENMASK(7, 0)
+#define THC_CFG_MANID_MID			GENMASK(15, 8)
+#define THC_CFG_MANID_MSID			GENMASK(23, 16)
+#define THC_CFG_MANID_DOT			GENMASK(27, 24)
+
+#define THC_M_CMN_DEVIDLECTRL_CIP		BIT(0)
+#define THC_M_CMN_DEVIDLECTRL_IR		BIT(1)
+#define THC_M_CMN_DEVIDLECTRL_DEVIDLE		BIT(2)
+#define THC_M_CMN_DEVIDLECTRL_RR		BIT(3)
+#define THC_M_CMN_DEVIDLECTRL_IRC		BIT(4)
+
+#define THC_M_CMN_LTR_CTRL_OFFSET		0x14
+#define THC_M_CMN_LTR_CTRL_ACTIVE_LTR_REQ	BIT(0)
+#define THC_M_CMN_LTR_CTRL_ACTIVE_LTR_EN	BIT(1)
+#define THC_M_CMN_LTR_CTRL_LP_LTR_REQ		BIT(2)
+#define THC_M_CMN_LTR_CTRL_LP_LTR_EN		BIT(3)
+#define THC_M_CMN_LTR_CTRL_LP_LTR_SCALE	        GENMASK(6, 4)
+#define THC_M_CMN_LTR_CTRL_LP_LTR_VAL	        GENMASK(16, 7)
+#define THC_M_CMN_LTR_CTRL_ACT_LTR_SCALE	GENMASK(19, 17)
+#define THC_M_CMN_LTR_CTRL_ACT_LTR_VAL	        GENMASK(29, 20)
+#define THC_M_CMN_LTR_CTRL_LAST_LTR_SENT	GENMASK(31, 30)
+
+#define THC_M_PRT_CONTROL_TSFTRST		BIT(0)
+#define THC_M_PRT_CONTROL_THC_DEVINT_QUIESCE_EN	BIT(1)
+#define THC_M_PRT_CONTROL_THC_DEVINT_QUIESCE_HW_STS	BIT(2)
+#define THC_M_PRT_CONTROL_DEVRST		BIT(3)
+#define THC_M_PRT_CONTROL_THC_DRV_LOCK_EN	BIT(13)
+#define THC_M_PRT_CONTROL_THC_INSTANCE_INDEX	GENMASK(18, 16)
+#define THC_M_PRT_CONTROL_PORT_INDEX	        GENMASK(22, 20)
+#define THC_M_PRT_CONTROL_THC_ARB_POLICY	GENMASK(25, 24)
+#define THC_M_PRT_CONTROL_THC_BIOS_LOCK_EN	BIT(27)
+#define THC_M_PRT_CONTROL_PORT_SUPPORTED	BIT(28)
+#define THC_M_PRT_CONTROL_SPI_IO_RDY		BIT(29)
+#define THC_M_PRT_CONTROL_PORT_TYPE	        GENMASK(31, 30)
+
+#define THC_M_PRT_SPI_CFG_SPI_TRDC		GENMASK(1, 0)
+#define THC_M_PRT_SPI_CFG_SPI_TRMODE	        GENMASK(3, 2)
+#define THC_M_PRT_SPI_CFG_SPI_TCRF		GENMASK(6, 4)
+#define THC_M_PRT_SPI_CFG_SPI_RD_MPS	        GENMASK(15, 7)
+#define THC_M_PRT_SPI_CFG_SPI_TWMODE	        GENMASK(19, 18)
+#define THC_M_PRT_SPI_CFG_SPI_TCWF		GENMASK(22, 20)
+#define THC_M_PRT_SPI_CFG_SPI_LOW_FREQ_EN	BIT(23)
+#define THC_M_PRT_SPI_CFG_SPI_WR_MPS	        GENMASK(31, 24)
+
+#define THC_M_PRT_SPI_ICRRD_OPCODE_SPI_SIO	GENMASK(31, 24)
+#define THC_M_PRT_SPI_ICRRD_OPCODE_SPI_DIO	GENMASK(23, 16)
+#define THC_M_PRT_SPI_ICRRD_OPCODE_SPI_QIO	GENMASK(15, 8)
+
+#define THC_M_PRT_INT_EN_SIPE				BIT(0)
+#define THC_M_PRT_INT_EN_SBO				BIT(1)
+#define THC_M_PRT_INT_EN_SIDR				BIT(2)
+#define THC_M_PRT_INT_EN_SOFB				BIT(3)
+#define THC_M_PRT_INT_EN_INVLD_DEV_ENTRY_INT_EN		BIT(9)
+#define THC_M_PRT_INT_EN_FRAME_BABBLE_ERR_INT_EN	BIT(10)
+#define THC_M_PRT_INT_EN_BUF_OVRRUN_ERR_INT_EN		BIT(12)
+#define THC_M_PRT_INT_EN_PRD_ENTRY_ERR_INT_EN		BIT(13)
+#define THC_M_PRT_INT_EN_DISP_SYNC_EVT_INT_EN		BIT(14)
+#define THC_M_PRT_INT_EN_DEV_RAW_INT_EN			BIT(15)
+#define THC_M_PRT_INT_EN_FATAL_ERR_INT_EN		BIT(16)
+#define THC_M_PRT_INT_EN_THC_I2C_IC_RX_UNDER_INT_EN	BIT(17)
+#define THC_M_PRT_INT_EN_THC_I2C_IC_RX_OVER_INT_EN	BIT(18)
+#define THC_M_PRT_INT_EN_THC_I2C_IC_RX_FULL_INT_EN	BIT(19)
+#define THC_M_PRT_INT_EN_THC_I2C_IC_TX_OVER_INT_EN	BIT(20)
+#define THC_M_PRT_INT_EN_THC_I2C_IC_TX_EMPTY_INT_EN	BIT(21)
+#define THC_M_PRT_INT_EN_THC_I2C_IC_TX_ABRT_INT_EN	BIT(22)
+#define THC_M_PRT_INT_EN_THC_I2C_IC_SCL_STUCK_AT_LOW_DET_INT_EN	BIT(24)
+#define THC_M_PRT_INT_EN_THC_I2C_IC_STOP_DET_INT_EN	BIT(25)
+#define THC_M_PRT_INT_EN_THC_I2C_IC_START_DET_INT_EN	BIT(26)
+#define THC_M_PRT_INT_EN_THC_I2C_IC_MST_ON_HOLD_INT_EN	BIT(27)
+#define THC_M_PRT_INT_EN_TXN_ERR_INT_EN			BIT(29)
+#define THC_M_PRT_INT_EN_GBL_INT_EN			BIT(31)
+
+#define THC_M_PRT_INT_STATUS_DISP_SYNC_EVT_INT_STS		BIT(14)
+#define THC_M_PRT_INT_STATUS_DEV_RAW_INT_STS			BIT(15)
+#define THC_M_PRT_INT_STATUS_THC_I2C_IC_RX_UNDER_INT_STS	BIT(17)
+#define THC_M_PRT_INT_STATUS_THC_I2C_IC_RX_OVER_INT_STS		BIT(18)
+#define THC_M_PRT_INT_STATUS_THC_I2C_IC_RX_FULL_INT_STS		BIT(19)
+#define THC_M_PRT_INT_STATUS_THC_I2C_IC_TX_OVER_INT_STS		BIT(20)
+#define THC_M_PRT_INT_STATUS_THC_I2C_IC_TX_EMPTY_INT_STS	BIT(21)
+#define THC_M_PRT_INT_STATUS_THC_I2C_IC_TX_ABRT_INT_STS		BIT(22)
+#define THC_M_PRT_INT_STATUS_THC_I2C_IC_ACTIVITY_INT_STS	BIT(23)
+#define THC_M_PRT_INT_STATUS_THC_I2C_IC_SCL_STUCK_AT_LOW_INT_STS	BIT(24)
+#define THC_M_PRT_INT_STATUS_THC_I2C_IC_STOP_DET_INT_STS	BIT(25)
+#define THC_M_PRT_INT_STATUS_THC_I2C_IC_START_DET_INT_STS	BIT(26)
+#define THC_M_PRT_INT_STATUS_THC_I2C_IC_MST_ON_HOLD_INT_STS	BIT(27)
+#define THC_M_PRT_INT_STATUS_TXN_ERR_INT_STS			BIT(28)
+#define THC_M_PRT_INT_STATUS_FATAL_ERR_INT_STS			BIT(30)
+
+#define THC_M_PRT_ERR_CAUSE_INVLD_DEV_ENTRY	BIT(9)
+#define THC_M_PRT_ERR_CAUSE_FRAME_BABBLE_ERR	BIT(10)
+#define THC_M_PRT_ERR_CAUSE_BUF_OVRRUN_ERR	BIT(12)
+#define THC_M_PRT_ERR_CAUSE_PRD_ENTRY_ERR	BIT(13)
+#define THC_M_PRT_ERR_CAUSE_FATAL_ERR_CAUSE	GENMASK(23, 16)
+
+#define THC_M_PRT_SW_SEQ_CNTRL_TSSGO		BIT(0)
+#define THC_M_PRT_SW_SEQ_CNTRL_THC_SS_CD_IE	BIT(1)
+#define THC_M_PRT_SW_SEQ_CNTRL_THC_SS_CMD	GENMASK(15, 8)
+#define THC_M_PRT_SW_SEQ_CNTRL_THC_SS_BC	GENMASK(31, 16)
+#define THC_M_PRT_SW_SEQ_STS_TSSDONE		BIT(0)
+#define THC_M_PRT_SW_SEQ_STS_THC_SS_ERR		BIT(1)
+#define THC_M_PRT_SW_SEQ_STS_THC_SS_CIP		BIT(3)
+#define THC_M_PRT_SW_SEQ_DATA0_ADDR_THC_SW_SEQ_DATA0_ADDR	GENMASK(31, 0)
+#define THC_M_PRT_SW_SEQ_DATA1_THC_SW_SEQ_DATA1		        GENMASK(31, 0)
+
+#define THC_M_PRT_WPRD_BA_LOW_THC_M_PRT_WPRD_BA_LOW	        GENMASK(31, 12)
+#define THC_M_PRT_WPRD_BA_HI_THC_M_PRT_WPRD_BA_HI		GENMASK(31, 0)
+
+#define THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_START		BIT(0)
+#define THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_IE_IOC_ERROR	BIT(1)
+#define THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_IE_IOC		BIT(2)
+#define THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_IE_IOC_DMACPL	BIT(3)
+#define THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_UHS			BIT(23)
+#define THC_M_PRT_WRITE_DMA_CNTRL_THC_WRDMA_PTEC		GENMASK(31, 24)
+
+#define THC_M_PRT_WRITE_INT_STS_THC_WRDMA_CMPL_STATUS		BIT(0)
+#define THC_M_PRT_WRITE_INT_STS_THC_WRDMA_ERROR_STS		BIT(1)
+#define THC_M_PRT_WRITE_INT_STS_THC_WRDMA_IOC_STS		BIT(2)
+#define THC_M_PRT_WRITE_INT_STS_THC_WRDMA_ACTIVE		BIT(3)
+
+#define THC_M_PRT_WR_BULK_ADDR_THC_M_PRT_WR_BULK_ADDR	        GENMASK(31, 0)
+
+#define THC_M_PRT_DEV_INT_CAUSE_ADDR_THC_M_PRT_DEV_INT_CAUSE_ADDR	GENMASK(31, 0)
+#define THC_M_PRT_DEV_INT_CAUSE_REG_VAL_INTERRUPT_TYPE	        GENMASK(3, 0)
+#define THC_M_PRT_DEV_INT_CAUSE_REG_VAL_MICRO_FRAME_SIZE	GENMASK(23, 4)
+#define THC_M_PRT_DEV_INT_CAUSE_REG_VAL_BEGINNING_OF_FRAME	BIT(29)
+#define THC_M_PRT_DEV_INT_CAUSE_REG_VAL_END_OF_FRAME		BIT(30)
+#define THC_M_PRT_DEV_INT_CAUSE_REG_VAL_FRAME_TYPE		BIT(31)
+
+#define THC_M_PRT_TX_FRM_CNT_THC_M_PRT_TX_FRM_CNT		GENMASK(30, 0)
+#define THC_M_PRT_TX_FRM_CNT_THC_M_PRT_TX_FRM_CNT_RST		BIT(31)
+
+#define THC_M_PRT_TXDMA_PKT_CNT_THC_M_PRT_TXDMA_PKT_CNT	        GENMASK(30, 0)
+#define THC_M_PRT_TXDMA_PKT_CNT_THC_M_PRT_TXDMA_PKT_CNT_RST	BIT(31)
+
+#define THC_M_PRT_DEVINT_CNT_THC_M_PRT_DEVINT_CNT		GENMASK(30, 0)
+#define THC_M_PRT_DEVINT_CNT_THC_M_PRT_DEVINT_CNT_RST		BIT(31)
+
+#define THC_M_PRT_DEVINT_CFG_1_THC_M_PRT_INTTYP_OFFSET	        GENMASK(4, 0)
+#define THC_M_PRT_DEVINT_CFG_1_THC_M_PRT_INTTYP_LEN	        GENMASK(9, 5)
+#define THC_M_PRT_DEVINT_CFG_1_THC_M_PRT_EOF_OFFSET	        GENMASK(14, 10)
+#define THC_M_PRT_DEVINT_CFG_1_THC_M_PRT_SEND_ICR_US_EN		BIT(15)
+#define THC_M_PRT_DEVINT_CFG_1_THC_M_PRT_INTTYP_DATA_VAL	GENMASK(31, 16)
+
+#define THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_UFSIZE_OFFSET	        GENMASK(4, 0)
+#define THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_UFSIZE_LEN	        GENMASK(9, 5)
+#define THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_UFSIZE_UNIT	        GENMASK(15, 12)
+#define THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_FTYPE_IGNORE		BIT(16)
+#define THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_FTYPE_VAL		BIT(17)
+#define THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_RXDMA_ADDRINC_DIS	BIT(24)
+#define THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_TXDMA_ADDRINC_DIS	BIT(25)
+#define THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_RXDMA_PKT_STRM_EN	BIT(26)
+#define THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_TXDMA_PKT_STRM_EN	BIT(27)
+#define THC_M_PRT_DEVINT_CFG_2_THC_M_PRT_DEVINT_POL		BIT(28)
+
+#define THC_M_PRT_RPRD_BA_LOW_1_THC_M_PRT_RPRD_BA_LOW	        GENMASK(31, 12)
+#define THC_M_PRT_RPRD_BA_HI_1_THC_M_PRT_RPRD_BA_HI	        GENMASK(31, 0)
+
+#define THC_M_PRT_RPRD_CNTRL_PCD		GENMASK(6, 0)
+#define THC_M_PRT_RPRD_CNTRL_PTEC		GENMASK(15, 8)
+#define THC_M_PRT_RPRD_CNTRL_PREFETCH_WM	GENMASK(19, 16)
+
+#define THC_M_PRT_READ_DMA_CNTRL_START		BIT(0)
+#define THC_M_PRT_READ_DMA_CNTRL_IE_ERROR	BIT(1)
+#define THC_M_PRT_READ_DMA_CNTRL_IE_IOC		BIT(2)
+#define THC_M_PRT_READ_DMA_CNTRL_IE_STALL	BIT(3)
+#define THC_M_PRT_READ_DMA_CNTRL_IE_NDDI	BIT(4)
+#define THC_M_PRT_READ_DMA_CNTRL_IE_EOF		BIT(5)
+#define THC_M_PRT_READ_DMA_CNTRL_IE_DMACPL	BIT(7)
+#define THC_M_PRT_READ_DMA_CNTRL_TPCRP	        GENMASK(15, 8)
+#define THC_M_PRT_READ_DMA_CNTRL_TPCWP	        GENMASK(23, 16)
+#define THC_M_PRT_READ_DMA_CNTRL_INT_SW_DMA_EN	BIT(28)
+#define THC_M_PRT_READ_DMA_CNTRL_SOO		BIT(29)
+#define THC_M_PRT_READ_DMA_CNTRL_UHS		BIT(30)
+#define THC_M_PRT_READ_DMA_CNTRL_TPCPR		BIT(31)
+
+#define THC_M_PRT_READ_DMA_INT_STS_DMACPL_STS	BIT(0)
+#define THC_M_PRT_READ_DMA_INT_STS_ERROR_STS	BIT(1)
+#define THC_M_PRT_READ_DMA_INT_STS_IOC_STS	BIT(2)
+#define THC_M_PRT_READ_DMA_INT_STS_STALL_STS	BIT(3)
+#define THC_M_PRT_READ_DMA_INT_STS_NONDMA_INT_STS	BIT(4)
+#define THC_M_PRT_READ_DMA_INT_STS_EOF_INT_STS	BIT(5)
+#define THC_M_PRT_READ_DMA_INT_STS_ACTIVE	BIT(8)
+
+#define THC_M_PRT_READ_DMA_ERR_1_DLERR		BIT(0)
+
+#define THC_M_PRT_GUC_OFFSET_LOW_1_THC_M_PRT_GUC_OFFSET_LOW	GENMASK(31, 3)
+#define THC_M_PRT_GUC_OFFSET_HI_1_THC_M_PRT_GUC_OFFSET_HI	GENMASK(31, 0)
+#define THC_M_PRT_GUC_WORKQ_ITEM_SZ_1_WORKQ_ITEM_SZ	        GENMASK(23, 0)
+#define THC_M_PRT_GUC_WORKQ_SZ_1_WORKQ_SZ       GENMASK(23, 0)
+#define THC_M_PRT_GUC_WORKQ_SZ_1_FCD	        GENMASK(27, 24)
+#define THC_M_PRT_GUC_WORKQ_SZ_1_GIC	        GENMASK(31, 28)
+
+#define THC_M_PRT_TSEQ_CNTRL_1_RGD		BIT(2)
+#define THC_M_PRT_TSEQ_CNTRL_1_EGP		BIT(3)
+#define THC_M_PRT_TSEQ_CNTRL_1_RTO		BIT(4)
+#define THC_M_PRT_TSEQ_CNTRL_1_EWOG		BIT(5)
+#define THC_M_PRT_TSEQ_CNTRL_1_RWOGC		BIT(6)
+#define THC_M_PRT_TSEQ_CNTRL_1_RX_DATA_FIFO_WR_WM		GENMASK(25, 16)
+#define THC_M_PRT_TSEQ_CNTRL_1_RESET_PREP_CHICKEN		BIT(30)
+#define THC_M_PRT_TSEQ_CNTRL_1_INT_EDG_DET_EN			BIT(31)
+
+#define THC_M_PRT_GUC_DB_ADDR_LOW_1_GUC_DB_ADDR_LOW	        GENMASK(31, 2)
+#define THC_M_PRT_GUC_DB_ADDR_HI_1_GUC_DB_ADDR_HI		GENMASK(31, 0)
+#define THC_M_PRT_GUC_DB_DATA_1_GUC_DB_DATA		        GENMASK(31, 0)
+#define THC_M_PRT_GUC_OFFSET_INITVAL_1_THC_M_PRT_GUC_OFFSET_INITVAL	GENMASK(31, 0)
+
+#define THC_M_PRT_RD_BULK_ADDR_1_THC_M_PRT_RD_BULK_ADDR	        GENMASK(31, 0)
+
+#define THC_M_PRT_DB_CNT_1_THC_M_PRT_DB_CNT		        GENMASK(30, 0)
+#define THC_M_PRT_DB_CNT_1_THC_M_PRT_DB_CNT_RST			BIT(31)
+
+#define THC_M_PRT_FRM_CNT_1_THC_M_PRT_FRM_CNT		        GENMASK(30, 0)
+#define THC_M_PRT_FRM_CNT_1_THC_M_PRT_FRM_CNT_RST		BIT(31)
+
+#define THC_M_PRT_UFRM_CNT_1_THC_M_PRT_UFRM_CNT		        GENMASK(30, 0)
+#define THC_M_PRT_UFRM_CNT_1_THC_M_PRT_UFRM_CNT_RST		BIT(31)
+
+#define THC_M_PRT_RXDMA_PKT_CNT_1_THC_M_PRT_RXDMA_PKT_CNT	GENMASK(30, 0)
+#define THC_M_PRT_RXDMA_PKT_CNT_1_THC_M_PRT_RXDMA_PKT_CNT_RST	BIT(31)
+
+#define THC_M_PRT_SWINT_CNT_1_THC_M_PRT_SWINT_CNT		GENMASK(30, 0)
+#define THC_M_PRT_SWINT_CNT_1_THC_M_PRT_SWINT_CNT_RST		BIT(31)
+
+#define THC_M_PRT_FRAME_DROP_CNT_1_NOFD			        GENMASK(30, 0)
+#define THC_M_PRT_FRAME_DROP_CNT_1_RFDC				BIT(31)
+
+#define THC_M_PRT_COALESCE_1_COALESCE_TIMEOUT		        GENMASK(6, 0)
+
+#define THC_M_PRT_RPRD_BA_LOW_2_THC_M_PRT_RPRD_BA_LOW	        GENMASK(31, 12)
+#define THC_M_PRT_RPRD_BA_HI_2_THC_M_PRT_RPRD_BA_HI	        GENMASK(31, 0)
+
+#define THC_M_PRT_READ_DMA_ERR_2_DLERR				BIT(0)
+
+#define THC_M_PRT_GUC_OFFSET_LOW_2_THC_M_PRT_GUC_OFFSET_LOW     GENMASK(31, 3)
+#define THC_M_PRT_GUC_OFFSET_HI_2_THC_M_PRT_GUC_OFFSET_HI	GENMASK(31, 0)
+
+#define THC_M_PRT_GUC_WORKQ_ITEM_SZ_2_WORKQ_ITEM_SZ	        GENMASK(23, 0)
+#define THC_M_PRT_GUC_WORKQ_SZ_2_WORKQ_SZ			GENMASK(23, 0)
+#define THC_M_PRT_GUC_WORKQ_SZ_2_FCD			        GENMASK(27, 24)
+#define THC_M_PRT_GUC_WORKQ_SZ_2_GIC			        GENMASK(31, 28)
+
+#define THC_M_PRT_TSEQ_CNTRL_2_RGD				BIT(2)
+#define THC_M_PRT_TSEQ_CNTRL_2_EGP				BIT(3)
+#define THC_M_PRT_TSEQ_CNTRL_2_RTO				BIT(4)
+
+#define THC_M_PRT_GUC_DB_ADDR_LOW_2_GUC_DB_ADDR_LOW	        GENMASK(31, 2)
+#define THC_M_PRT_GUC_DB_ADDR_HI_2_GUC_DB_ADDR_HI		GENMASK(31, 0)
+
+#define THC_M_PRT_GUC_DB_DATA_2_GUC_DB_DATA		        GENMASK(31, 0)
+
+#define THC_M_PRT_GUC_OFFSET_INITVAL_2_THC_M_PRT_GUC_OFFSET_INITVAL	GENMASK(31, 0)
+
+#define THC_M_PRT_RD_BULK_ADDR_2_THC_M_PRT_RD_BULK_ADDR	        GENMASK(31, 0)
+
+#define THC_M_PRT_DB_CNT_2_THC_M_PRT_DB_CNT		        GENMASK(30, 0)
+#define THC_M_PRT_DB_CNT_2_THC_M_PRT_DB_CNT_RST			BIT(31)
+
+#define THC_M_PRT_FRM_CNT_2_THC_M_PRT_FRM_CNT		        GENMASK(30, 0)
+#define THC_M_PRT_FRM_CNT_2_THC_M_PRT_FRM_CNT_RST		BIT(31)
+
+#define THC_M_PRT_UFRM_CNT_2_THC_M_PRT_UFRM_CNT		        GENMASK(30, 0)
+#define THC_M_PRT_UFRM_CNT_2_THC_M_PRT_UFRM_CNT_RST		BIT(31)
+
+#define THC_M_PRT_RXDMA_PKT_CNT_2_THC_M_PRT_RXDMA_PKT_CNT	GENMASK(30, 0)
+#define THC_M_PRT_RXDMA_PKT_CNT_2_THC_M_PRT_RXDMA_PKT_CNT_RST	BIT(31)
+
+#define THC_M_PRT_SWINT_CNT_2_THC_M_PRT_SWINT_CNT		GENMASK(30, 0)
+#define THC_M_PRT_SWINT_CNT_2_THC_M_PRT_SWINT_CNT_RST		BIT(31)
+
+#define THC_M_PRT_FRAME_DROP_CNT_2_NOFD			        GENMASK(30, 0)
+#define THC_M_PRT_FRAME_DROP_CNT_2_RFDC				BIT(31)
+
+#define THC_M_PRT_COALESCE_2_COALESCE_TIMEOUT		        GENMASK(6, 0)
+
+#define THC_M_PRT_SW_SEQ_I2C_WR_CNTRL_THC_I2C_RW_PIO_EN		BIT(23)
+#define THC_M_PRT_SW_SEQ_I2C_WR_CNTRL_THC_PIO_I2C_WBC	        GENMASK(31, 26)
+
+#define THC_M_PRT_RPRD_CNTRL_SW_THC_SWDMA_I2C_RX_DLEN_EN	BIT(23)
+#define THC_M_PRT_RPRD_CNTRL_SW_THC_SWDMA_I2C_WBC		GENMASK(31, 26)
+
+#define THC_M_PRT_PRD_EMPTY_CNT_1_RPTEC				BIT(31)
+#define THC_M_PRT_PRD_EMPTY_CNT_2_RPTEC				BIT(31)
+
+#define THC_M_PRT_SW_DMA_PRD_TABLE_LEN_THC_M_PRT_SW_DMA_PRD_TABLE_LEN	GENMASK(23, 0)
+
+#define THC_M_PRT_SPI_DUTYC_CFG_SPI_CSA_CK_DELAY_VAL		GENMASK(3, 0)
+#define THC_M_PRT_SPI_DUTYC_CFG_SPI_CSA_CK_DELAY_EN		BIT(25)
+
+/* CS Assertion delay default value */
+#define THC_CSA_CK_DELAY_VAL_DEFAULT		4
+
+/* ARB policy definition */
+/* Arbiter switches on packet boundary */
+#define THC_ARB_POLICY_PACKET_BOUNDARY		0
+/* Arbiter switches on Micro Frame boundary */
+#define THC_ARB_POLICY_UFRAME_BOUNDARY		1
+/* Arbiter switches on Frame boundary */
+#define THC_ARB_POLICY_FRAME_BOUNDARY		2
+
+#define THC_REGMAP_POLLING_INTERVAL_US		10 /* 10us */
+#define THC_PIO_DONE_TIMEOUT_US			USEC_PER_SEC /* 1s */
+
+/* Default configures for HIDSPI */
+#define THC_BIT_OFFSET_INTERRUPT_TYPE		4
+/* input_report_type is 4 bits for HIDSPI */
+#define THC_BIT_LENGTH_INTERRUPT_TYPE		4
+/* Last fragment indicator is bit 15 for HIDSPI */
+#define THC_BIT_OFFSET_LAST_FRAGMENT_FLAG	22
+#define THC_BIT_OFFSET_MICROFRAME_SIZE		8
+/* input_report_length is 14 bits for HIDSPI */
+#define THC_BIT_LENGTH_MICROFRAME_SIZE		14
+/* MFS unit in power of 2 */
+#define THC_UNIT_MICROFRAME_SIZE		2
+#define THC_BITMASK_INTERRUPT_TYPE_DATA		1
+#define THC_BITMASK_INVALID_TYPE_DATA		2
+
+/* Interrupt Quiesce default timeout value */
+#define THC_QUIESCE_EN_TIMEOUT_US		USEC_PER_SEC /* 1s */
+
+/* LTR definition */
+/*
+ * THC uses scale to calculate final LTR value.
+ * Scale is geometric progression of 2^5 step, starting from 2^0.
+ * For example, THC_LTR_SCALE_2(2) means 2^(5 * 2) = 1024, unit is ns.
+ */
+#define THC_LTR_SCALE_0				0
+#define THC_LTR_SCALE_1				1
+#define THC_LTR_SCALE_2				2
+#define THC_LTR_SCALE_3				3
+#define THC_LTR_SCALE_4				4
+#define THC_LTR_SCALE_5				5
+#define THC_LTR_MODE_ACTIVE			0
+#define THC_LTR_MODE_LP				1
+#define THC_LTR_MIN_VAL_SCALE_3			BIT(10)
+#define THC_LTR_MAX_VAL_SCALE_3			BIT(15)
+#define THC_LTR_MIN_VAL_SCALE_4			BIT(15)
+#define THC_LTR_MAX_VAL_SCALE_4			BIT(20)
+#define THC_LTR_MIN_VAL_SCALE_5			BIT(20)
+#define THC_LTR_MAX_VAL_SCALE_5			BIT(25)
+
+/*
+ * THC PIO opcode default value
+ * @THC_PIO_OP_SPI_TIC_READ: THC opcode for SPI PIO read
+ * @THC_PIO_OP_SPI_TIC_WRITE: THC opcode for SPI PIO write
+ * @THC_PIO_OP_I2C_SUBSYSTEM_READ: THC opcode for read I2C subsystem registers
+ * @THC_PIO_OP_I2C_SUBSYSTEM_WRITE: THC opcode for write I2C subsystem registers
+ * @THC_PIO_OP_I2C_TIC_READ: THC opcode for read I2C device
+ * @THC_PIO_OP_I2C_TIC_WRITE: THC opcode for write I2C device
+ * @THC_PIO_OP_I2C_TIC_WRITE_AND_READ: THC opcode for write followed by read I2C device
+ */
+enum thc_pio_opcode {
+	THC_PIO_OP_SPI_TIC_READ = 0x4,
+	THC_PIO_OP_SPI_TIC_WRITE = 0x6,
+	THC_PIO_OP_I2C_SUBSYSTEM_READ = 0x12,
+	THC_PIO_OP_I2C_SUBSYSTEM_WRITE = 0x13,
+	THC_PIO_OP_I2C_TIC_READ = 0x14,
+	THC_PIO_OP_I2C_TIC_WRITE = 0x18,
+	THC_PIO_OP_I2C_TIC_WRITE_AND_READ = 0x1C,
+};
+
+/**
+ * THC SPI IO mode
+ * @THC_SINGLE_IO: single IO mode, 1(opcode) - 1(address) - 1(data)
+ * @THC_DUAL_IO: dual IO mode, 1(opcode) - 2(address) - 2(data)
+ * @THC_QUAD_IO: quad IO mode, 1(opcode) - 4(address) - 4(data)
+ * @THC_QUAD_PARALLEL_IO: parallel quad IO mode, 4(opcode) - 4(address) - 4(data)
+ */
+enum thc_spi_iomode {
+	THC_SINGLE_IO = 0,
+	THC_DUAL_IO = 1,
+	THC_QUAD_IO = 2,
+	THC_QUAD_PARALLEL_IO = 3,
+};
+
+/**
+ * THC SPI frequency divider
+ *
+ * This DIV final value is determined by THC_M_PRT_SPI_CFG_SPI_LOW_FREQ_EN bit.
+ * If THC_M_PRT_SPI_CFG_SPI_LOW_FREQ_EN isn't be set, THC takes the DIV value directly;
+ * If THC_M_PRT_SPI_CFG_SPI_LOW_FREQ_EN is set, THC takes the DIV value multiply by 8.
+ *
+ * For example, if THC input clock is 125MHz:
+ * When THC_M_PRT_SPI_CFG_SPI_LOW_FREQ_EN isn't set, THC_SPI_FRQ_DIV_3 means DIV is 3,
+ * THC final clock is 125 / 3 = 41.667MHz;
+ * When THC_M_PRT_SPI_CFG_SPI_LOW_FREQ_EN is set, THC_SPI_FRQ_DIV_3 means DIV is 3 * 8,
+ * THC final clock is 125 / (3 * 8) = 5.208MHz;
+ */
+enum thc_spi_frq_div {
+	THC_SPI_FRQ_RESERVED = 0,
+	THC_SPI_FRQ_DIV_1 = 1,
+	THC_SPI_FRQ_DIV_2 = 2,
+	THC_SPI_FRQ_DIV_3 = 3,
+	THC_SPI_FRQ_DIV_4 = 4,
+	THC_SPI_FRQ_DIV_5 = 5,
+	THC_SPI_FRQ_DIV_6 = 6,
+	THC_SPI_FRQ_DIV_7 = 7,
+};
+
+/* THC I2C sub-system registers */
+#define THC_I2C_IC_CON_OFFSET				0x0
+#define THC_I2C_IC_TAR_OFFSET				0x4
+#define THC_I2C_IC_SAR_OFFSET				0x8
+#define THC_I2C_IC_HS_MADDR_OFFSET			0xC
+#define THC_I2C_IC_DATA_CMD_OFFSET			0x10
+#define THC_I2C_IC_SS_SCL_HCNT_OFFSET			0x14
+#define THC_I2C_IC_UFM_SCL_HCNT_OFFSET			0x14
+#define THC_I2C_IC_SS_SCL_LCNT_OFFSET			0x18
+#define THC_I2C_IC_UFM_SCL_LCNT_OFFSET			0x18
+#define THC_I2C_IC_FS_SCL_HCNT_OFFSET			0x1C
+#define THC_I2C_IC_UFM_TBUF_CNT_OFFSET			0x1C
+#define THC_I2C_IC_FS_SCL_LCNT_OFFSET			0x20
+#define THC_I2C_IC_HS_SCL_HCNT_OFFSET			0x24
+#define THC_I2C_IC_HS_SCL_LCNT_OFFSET			0x28
+#define THC_I2C_IC_INTR_STAT_OFFSET			0x2C
+#define THC_I2C_IC_INTR_MASK_OFFSET			0x30
+#define THC_I2C_IC_RAW_INTR_STAT_OFFSET			0x34
+#define THC_I2C_IC_RX_TL_OFFSET				0x38
+#define THC_I2C_IC_TX_TL_OFFSET				0x3C
+#define THC_I2C_IC_CLR_INTR_OFFSET			0x40
+#define THC_I2C_IC_CLR_RX_UNDER_OFFSET			0x44
+#define THC_I2C_IC_CLR_RX_OVER_OFFSET			0x48
+#define THC_I2C_IC_CLR_TX_OVER_OFFSET			0x4C
+#define THC_I2C_IC_CLR_RD_REQ_OFFSET			0x50
+#define THC_I2C_IC_CLR_TX_ABRT_OFFSET			0x54
+#define THC_I2C_IC_CLR_RX_DONE_OFFSET			0x58
+#define THC_I2C_IC_CLR_ACTIVITY_OFFSET			0x5C
+#define THC_I2C_IC_CLR_STOP_DET_OFFSET			0x60
+#define THC_I2C_IC_CLR_START_DET_OFFSET			0x64
+#define THC_I2C_IC_CLR_GEN_CALL_OFFSET			0x68
+#define THC_I2C_IC_ENABLE_OFFSET			0x6C
+#define THC_I2C_IC_STATUS_OFFSET			0x70
+#define THC_I2C_IC_TXFLR_OFFSET				0x74
+#define THC_I2C_IC_RXFLR_OFFSET				0x78
+#define THC_I2C_IC_SDA_HOLD_OFFSET			0x7C
+#define THC_I2C_IC_TX_ABRT_SOURCE_OFFSET		0x80
+#define THC_I2C_IC_SLV_DATA_NACK_ONLY_OFFSET		0x84
+#define THC_I2C_IC_DMA_CR_OFFSET			0x88
+#define THC_I2C_IC_DMA_TDLR_OFFSET			0x8C
+#define THC_I2C_IC_DMA_RDLR_OFFSET			0x90
+#define THC_I2C_IC_SDA_SETUP_OFFSET			0x94
+#define THC_I2C_IC_ACK_GENERAL_CALL_OFFSET		0x98
+#define THC_I2C_IC_ENABLE_STATUS_OFFSET			0x9C
+#define THC_I2C_IC_FS_SPKLEN_OFFSET			0xA0
+#define THC_I2C_IC_UFM_SPKLEN_OFFSET			0xA0
+#define THC_I2C_IC_HS_SPKLEN_OFFSET			0xA4
+#define THC_I2C_IC_CLR_RESTART_DET_OFFSET		0xA8
+#define THC_I2C_IC_SCL_STUCK_AT_LOW_TIMEOUT_OFFSET	0xAC
+#define THC_I2C_IC_SDA_STUCK_AT_LOW_TIMEOUT_OFFSET	0xB0
+#define THC_I2C_IC_CLR_SCL_STUCK_DET_OFFSET		0xB4
+#define THC_I2C_IC_DEVICE_ID_OFFSET			0xB8
+#define THC_I2C_IC_SMBUS_CLK_LOW_SEXT_OFFSET		0xBC
+#define THC_I2C_IC_SMBUS_CLK_LOW_MEXT_OFFSET		0xC0
+#define THC_I2C_IC_SMBUS_THIGH_MAX_IDLE_COUNT_OFFSET	0xC4
+#define THC_I2C_IC_SMBUS_INTR_STAT_OFFSET		0xC8
+#define THC_I2C_IC_SMBUS_INTR_MASK_OFFSET		0xCC
+#define THC_I2C_IC_SMBUS_RAW_INTR_STAT_OFFSET		0xD0
+#define THC_I2C_IC_CLR_SMBUS_INTR_OFFSET		0xD4
+#define THC_I2C_IC_OPTIONAL_SAR_OFFSET			0xD8
+#define THC_I2C_IC_SMBUS_UDID_LSB_OFFSET		0xDC
+#define THC_I2C_IC_SMBUS_UDID_WORD0_OFFSET		0xDC
+#define THC_I2C_IC_SMBUS_UDID_WORD1_OFFSET		0xE0
+#define THC_I2C_IC_SMBUS_UDID_WORD2_OFFSET		0xE4
+#define THC_I2C_IC_SMBUS_UDID_WORD3_OFFSET		0xE8
+#define THC_I2C_IC_COMP_PARAM_1_OFFSET			0xF4
+#define THC_I2C_IC_COMP_VERSION_OFFSET			0xF8
+#define THC_I2C_IC_COMP_TYPE_OFFSET			0xFC
+
+/**
+ * THC I2C sub-system supported speed mode
+ */
+enum THC_I2C_SPEED_MODE {
+	THC_I2C_STANDARD = 1,
+	THC_I2C_FAST_AND_PLUS = 2,
+	THC_I2C_HIGH_SPEED = 3,
+};
+
+/* THC I2C sub-system register bits definition */
+#define THC_I2C_IC_ENABLE_ENABLE			BIT(0)
+#define THC_I2C_IC_ENABLE_ABORT				BIT(1)
+#define THC_I2C_IC_ENABLE_TX_CMD_BLOCK			BIT(2)
+#define THC_I2C_IC_ENABLE_SDA_STUCK_RECOVERY_ENABLE	BIT(3)
+#define THC_I2C_IC_ENABLE_SMBUS_CLK_RESET		BIT(16)
+#define THC_I2C_IC_ENABLE_SMBUS_SUSPEND_EN		BIT(17)
+#define THC_I2C_IC_ENABLE_SMBUS_ALERT_EN		BIT(18)
+
+#define THC_I2C_IC_CON_MASTER_MODE			BIT(0)
+#define THC_I2C_IC_CON_SPEED				GENMASK(2, 1)
+#define THC_I2C_IC_CON_IC_10BITADDR_SLAVE		BIT(3)
+#define THC_I2C_IC_CON_IC_10BITADDR_MASTER		BIT(4)
+#define THC_I2C_IC_CON_IC_RESTART_EN			BIT(5)
+#define THC_I2C_IC_CON_IC_SLAVE_DISABLE			BIT(6)
+#define THC_I2C_IC_CON_STOP_DET_IFADDRESSED		BIT(7)
+#define THC_I2C_IC_CON_TX_EMPTY_CTRL			BIT(8)
+#define THC_I2C_IC_CON_RX_FIFO_FULL_HLD_CTRL		BIT(9)
+#define THC_I2C_IC_CON_STOP_DET_IF_MASTER_ACTIVE	BIT(10)
+#define THC_I2C_IC_CON_BUS_CLEAR_FEATURE_CTRL		BIT(11)
+#define THC_I2C_IC_CON_OPTIONAL_SAR_CTRL		BIT(16)
+#define THC_I2C_IC_CON_SMBUS_SLAVE_QUICK_EN		BIT(17)
+#define THC_I2C_IC_CON_SMBUS_ARP_EN			BIT(18)
+#define THC_I2C_IC_CON_SMBUS_PERSISTENT_SLV_ADDR_EN	BIT(19)
+
+#define THC_I2C_IC_TAR_IC_TAR				GENMASK(9, 0)
+#define THC_I2C_IC_TAR_GC_OR_START			BIT(10)
+#define THC_I2C_IC_TAR_SPECIAL				BIT(11)
+#define THC_I2C_IC_TAR_IC_10BITADDR_MASTER		BIT(12)
+#define THC_I2C_IC_TAR_DEVICE_ID			BIT(13)
+#define THC_I2C_IC_TAR_SMBUS_QUICK_CMD			BIT(16)
+
+#define THC_I2C_IC_INTR_MASK_M_RX_UNDER			BIT(0)
+#define THC_I2C_IC_INTR_MASK_M_RX_OVER			BIT(1)
+#define THC_I2C_IC_INTR_MASK_M_RX_FULL			BIT(2)
+#define THC_I2C_IC_INTR_MASK_M_TX_OVER			BIT(3)
+#define THC_I2C_IC_INTR_MASK_M_TX_EMPTY			BIT(4)
+#define THC_I2C_IC_INTR_MASK_M_RD_REQ			BIT(5)
+#define THC_I2C_IC_INTR_MASK_M_TX_ABRT			BIT(6)
+#define THC_I2C_IC_INTR_MASK_M_RX_DONE			BIT(7)
+#define THC_I2C_IC_INTR_MASK_M_ACTIVITY			BIT(8)
+#define THC_I2C_IC_INTR_MASK_M_STOP_DET			BIT(9)
+#define THC_I2C_IC_INTR_MASK_M_START_DET		BIT(10)
+#define THC_I2C_IC_INTR_MASK_M_GEN_CALL			BIT(11)
+#define THC_I2C_IC_INTR_MASK_M_RESTART_DET		BIT(12)
+#define THC_I2C_IC_INTR_MASK_M_MASTER_ON_HOLD		BIT(13)
+#define THC_I2C_IC_INTR_MASK_M_SCL_STUCK_AT_LOW		BIT(14)
+
+#define THC_I2C_IC_DMA_CR_RDMAE				BIT(0)
+#define THC_I2C_IC_DMA_CR_TDMAE				BIT(1)
+
+#endif /* _INTEL_THC_HW_H_  */
diff --git a/drivers/hid/surface-hid/Kconfig b/drivers/hid/surface-hid/Kconfig
index 7ce9b5d641eb..d0cfd0d29926 100644
--- a/drivers/hid/surface-hid/Kconfig
+++ b/drivers/hid/surface-hid/Kconfig
@@ -1,7 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0+
 menu "Surface System Aggregator Module HID support"
 	depends on SURFACE_AGGREGATOR
-	depends on INPUT
 
 config SURFACE_HID
 	tristate "HID transport driver for Surface System Aggregator Module"
@@ -39,4 +38,3 @@ endmenu
 
 config SURFACE_HID_CORE
 	tristate
-	select HID
diff --git a/drivers/hid/usbhid/Kconfig b/drivers/hid/usbhid/Kconfig
index 7c2032f7f44d..f3194767a45e 100644
--- a/drivers/hid/usbhid/Kconfig
+++ b/drivers/hid/usbhid/Kconfig
@@ -5,8 +5,7 @@ menu "USB HID support"
 config USB_HID
 	tristate "USB HID transport layer"
 	default y
-	depends on USB && INPUT
-	select HID
+	depends on HID
 	help
 	  Say Y here if you want to connect USB keyboards,
 	  mice, joysticks, graphic tablets, or any other HID based devices
diff --git a/drivers/hid/wacom.h b/drivers/hid/wacom.h
index 6f1443999d1d..1deacb4568cb 100644
--- a/drivers/hid/wacom.h
+++ b/drivers/hid/wacom.h
@@ -218,6 +218,14 @@ static inline __u32 wacom_s32tou(s32 value, __u8 n)
 	return value & (1 << (n - 1)) ? value & (~(~0U << n)) : value;
 }
 
+static inline u32 wacom_rescale(u32 value, u32 in_max, u32 out_max)
+{
+	if (in_max == 0 || out_max == 0)
+		return 0;
+	value = clamp(value, 0, in_max);
+	return DIV_ROUND_CLOSEST(value * out_max, in_max);
+}
+
 extern const struct hid_device_id wacom_ids[];
 
 void wacom_wac_irq(struct wacom_wac *wacom_wac, size_t len);
diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
index 9843b52bd017..8125383932ec 100644
--- a/drivers/hid/wacom_sys.c
+++ b/drivers/hid/wacom_sys.c
@@ -1084,6 +1084,17 @@ static ssize_t wacom_luminance_store(struct wacom *wacom, u8 *dest,
 	mutex_lock(&wacom->lock);
 
 	*dest = value & 0x7f;
+	for (unsigned int i = 0; i < wacom->led.count; i++) {
+		struct wacom_group_leds *group = &wacom->led.groups[i];
+
+		for (unsigned int j = 0; j < group->count; j++) {
+			if (dest == &wacom->led.llv)
+				group->leds[j].llv = *dest;
+			else if (dest == &wacom->led.hlv)
+				group->leds[j].hlv = *dest;
+		}
+	}
+
 	err = wacom_led_control(wacom);
 
 	mutex_unlock(&wacom->lock);
@@ -1302,10 +1313,10 @@ enum led_brightness wacom_leds_brightness_get(struct wacom_led *led)
 	struct wacom *wacom = led->wacom;
 
 	if (wacom->led.max_hlv)
-		return led->hlv * LED_FULL / wacom->led.max_hlv;
+		return wacom_rescale(led->hlv, wacom->led.max_hlv, LED_FULL);
 
 	if (wacom->led.max_llv)
-		return led->llv * LED_FULL / wacom->led.max_llv;
+		return wacom_rescale(led->llv, wacom->led.max_llv, LED_FULL);
 
 	/* device doesn't support brightness tuning */
 	return LED_FULL;
@@ -1337,8 +1348,8 @@ static int wacom_led_brightness_set(struct led_classdev *cdev,
 		goto out;
 	}
 
-	led->llv = wacom->led.llv = wacom->led.max_llv * brightness / LED_FULL;
-	led->hlv = wacom->led.hlv = wacom->led.max_hlv * brightness / LED_FULL;
+	led->llv = wacom->led.llv = wacom_rescale(brightness, LED_FULL, wacom->led.max_llv);
+	led->hlv = wacom->led.hlv = wacom_rescale(brightness, LED_FULL, wacom->led.max_hlv);
 
 	wacom->led.groups[led->group].select = led->id;
 
@@ -1370,17 +1381,6 @@ static int wacom_led_register_one(struct device *dev, struct wacom *wacom,
 	if (!name)
 		return -ENOMEM;
 
-	if (!read_only) {
-		led->trigger.name = name;
-		error = devm_led_trigger_register(dev, &led->trigger);
-		if (error) {
-			hid_err(wacom->hdev,
-				"failed to register LED trigger %s: %d\n",
-				led->cdev.name, error);
-			return error;
-		}
-	}
-
 	led->group = group;
 	led->id = id;
 	led->wacom = wacom;
@@ -1397,6 +1397,19 @@ static int wacom_led_register_one(struct device *dev, struct wacom *wacom,
 		led->cdev.brightness_set = wacom_led_readonly_brightness_set;
 	}
 
+	if (!read_only) {
+		led->trigger.name = name;
+		if (id == wacom->led.groups[group].select)
+			led->trigger.brightness = wacom_leds_brightness_get(led);
+		error = devm_led_trigger_register(dev, &led->trigger);
+		if (error) {
+			hid_err(wacom->hdev,
+				"failed to register LED trigger %s: %d\n",
+				led->cdev.name, error);
+			return error;
+		}
+	}
+
 	error = devm_led_classdev_register(dev, &led->cdev);
 	if (error) {
 		hid_err(wacom->hdev,
diff --git a/drivers/hid/wacom_wac.c b/drivers/hid/wacom_wac.c
index 5501a560fb07..b60bfafc6a8f 100644
--- a/drivers/hid/wacom_wac.c
+++ b/drivers/hid/wacom_wac.c
@@ -4946,6 +4946,10 @@ static const struct wacom_features wacom_features_0x94 =
 	HID_DEVICE(BUS_I2C, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
 
+#define PCI_DEVICE_WACOM(prod)						\
+	HID_DEVICE(BUS_PCI, HID_GROUP_WACOM, USB_VENDOR_ID_WACOM, prod),\
+	.driver_data = (kernel_ulong_t)&wacom_features_##prod
+
 #define USB_DEVICE_LENOVO(prod)					\
 	HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, prod),			\
 	.driver_data = (kernel_ulong_t)&wacom_features_##prod
@@ -5115,6 +5119,7 @@ const struct hid_device_id wacom_ids[] = {
 
 	{ USB_DEVICE_WACOM(HID_ANY_ID) },
 	{ I2C_DEVICE_WACOM(HID_ANY_ID) },
+	{ PCI_DEVICE_WACOM(HID_ANY_ID) },
 	{ BT_DEVICE_WACOM(HID_ANY_ID) },
 	{ }
 };