Merging upstream version 6.7.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

15 files changed, 824 insertions, 223 deletions

diff --git a/drivers/thermal/intel/int340x_thermal/Makefile b/drivers/thermal/intel/int340x_thermal/Makefile
index 4e852ce4a5..fe3f439245 100644
--- a/drivers/thermal/intel/int340x_thermal/Makefile
+++ b/drivers/thermal/intel/int340x_thermal/Makefile
@@ -10,5 +10,8 @@ obj-$(CONFIG_INT340X_THERMAL)	+= processor_thermal_device_pci.o
 obj-$(CONFIG_PROC_THERMAL_MMIO_RAPL) += processor_thermal_rapl.o
 obj-$(CONFIG_INT340X_THERMAL)	+= processor_thermal_rfim.o
 obj-$(CONFIG_INT340X_THERMAL)	+= processor_thermal_mbox.o
+obj-$(CONFIG_INT340X_THERMAL)	+= processor_thermal_wt_req.o
+obj-$(CONFIG_INT340X_THERMAL)	+= processor_thermal_wt_hint.o
+obj-$(CONFIG_INT340X_THERMAL)	+= processor_thermal_power_floor.o
 obj-$(CONFIG_INT3406_THERMAL)	+= int3406_thermal.o
 obj-$(CONFIG_ACPI_THERMAL_REL)	+= acpi_thermal_rel.o
diff --git a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
index ffc2871a02..427d370648 100644
--- a/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3400_thermal.c
@@ -674,7 +674,7 @@ free_priv:
 	return result;
 }
 
-static int int3400_thermal_remove(struct platform_device *pdev)
+static void int3400_thermal_remove(struct platform_device *pdev)
 {
 	struct int3400_thermal_priv *priv = platform_get_drvdata(pdev);
 
@@ -698,7 +698,6 @@ static int int3400_thermal_remove(struct platform_device *pdev)
 	kfree(priv->trts);
 	kfree(priv->arts);
 	kfree(priv);
-	return 0;
 }
 
 static const struct acpi_device_id int3400_thermal_match[] = {
@@ -714,7 +713,7 @@ MODULE_DEVICE_TABLE(acpi, int3400_thermal_match);
 
 static struct platform_driver int3400_thermal_driver = {
 	.probe = int3400_thermal_probe,
-	.remove = int3400_thermal_remove,
+	.remove_new = int3400_thermal_remove,
 	.driver = {
 		   .name = "int3400 thermal",
 		   .acpi_match_table = ACPI_PTR(int3400_thermal_match),
diff --git a/drivers/thermal/intel/int340x_thermal/int3401_thermal.c b/drivers/thermal/intel/int340x_thermal/int3401_thermal.c
index c93a28eec4..193645a738 100644
--- a/drivers/thermal/intel/int340x_thermal/int3401_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3401_thermal.c
@@ -36,11 +36,9 @@ static int int3401_add(struct platform_device *pdev)
 	return ret;
 }
 
-static int int3401_remove(struct platform_device *pdev)
+static void int3401_remove(struct platform_device *pdev)
 {
 	proc_thermal_remove(platform_get_drvdata(pdev));
-
-	return 0;
 }
 
 #ifdef CONFIG_PM_SLEEP
@@ -62,7 +60,7 @@ static SIMPLE_DEV_PM_OPS(int3401_proc_thermal_pm, int3401_thermal_suspend,
 
 static struct platform_driver int3401_driver = {
 	.probe = int3401_add,
-	.remove = int3401_remove,
+	.remove_new = int3401_remove,
 	.driver = {
 		.name = "int3401 thermal",
 		.acpi_match_table = int3401_device_ids,
diff --git a/drivers/thermal/intel/int340x_thermal/int3402_thermal.c b/drivers/thermal/intel/int340x_thermal/int3402_thermal.c
index 43fa351e2b..ab8bfb5a39 100644
--- a/drivers/thermal/intel/int340x_thermal/int3402_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3402_thermal.c
@@ -71,15 +71,13 @@ static int int3402_thermal_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int int3402_thermal_remove(struct platform_device *pdev)
+static void int3402_thermal_remove(struct platform_device *pdev)
 {
 	struct int3402_thermal_data *d = platform_get_drvdata(pdev);
 
 	acpi_remove_notify_handler(d->handle,
 				   ACPI_DEVICE_NOTIFY, int3402_notify);
 	int340x_thermal_zone_remove(d->int340x_zone);
-
-	return 0;
 }
 
 static const struct acpi_device_id int3402_thermal_match[] = {
@@ -91,7 +89,7 @@ MODULE_DEVICE_TABLE(acpi, int3402_thermal_match);
 
 static struct platform_driver int3402_thermal_driver = {
 	.probe = int3402_thermal_probe,
-	.remove = int3402_thermal_remove,
+	.remove_new = int3402_thermal_remove,
 	.driver = {
 		   .name = "int3402 thermal",
 		   .acpi_match_table = int3402_thermal_match,
diff --git a/drivers/thermal/intel/int340x_thermal/int3403_thermal.c b/drivers/thermal/intel/int340x_thermal/int3403_thermal.c
index e418d270bc..9b33fd3a66 100644
--- a/drivers/thermal/intel/int340x_thermal/int3403_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3403_thermal.c
@@ -262,7 +262,7 @@ err:
 	return result;
 }
 
-static int int3403_remove(struct platform_device *pdev)
+static void int3403_remove(struct platform_device *pdev)
 {
 	struct int3403_priv *priv = platform_get_drvdata(pdev);
 
@@ -277,8 +277,6 @@ static int int3403_remove(struct platform_device *pdev)
 	default:
 		break;
 	}
-
-	return 0;
 }
 
 static const struct acpi_device_id int3403_device_ids[] = {
@@ -293,7 +291,7 @@ MODULE_DEVICE_TABLE(acpi, int3403_device_ids);
 
 static struct platform_driver int3403_driver = {
 	.probe = int3403_add,
-	.remove = int3403_remove,
+	.remove_new = int3403_remove,
 	.driver = {
 		.name = "int3403 thermal",
 		.acpi_match_table = int3403_device_ids,
diff --git a/drivers/thermal/intel/int340x_thermal/int3406_thermal.c b/drivers/thermal/intel/int340x_thermal/int3406_thermal.c
index f5e42fc2ac..1c266493c1 100644
--- a/drivers/thermal/intel/int340x_thermal/int3406_thermal.c
+++ b/drivers/thermal/intel/int340x_thermal/int3406_thermal.c
@@ -178,13 +178,12 @@ err:
 	return -ENODEV;
 }
 
-static int int3406_thermal_remove(struct platform_device *pdev)
+static void int3406_thermal_remove(struct platform_device *pdev)
 {
 	struct int3406_thermal_data *d = platform_get_drvdata(pdev);
 
 	thermal_cooling_device_unregister(d->cooling_dev);
 	kfree(d->br);
-	return 0;
 }
 
 static const struct acpi_device_id int3406_thermal_match[] = {
@@ -196,7 +195,7 @@ MODULE_DEVICE_TABLE(acpi, int3406_thermal_match);
 
 static struct platform_driver int3406_thermal_driver = {
 	.probe = int3406_thermal_probe,
-	.remove = int3406_thermal_remove,
+	.remove_new = int3406_thermal_remove,
 	.driver = {
 		   .name = "int3406 thermal",
 		   .acpi_match_table = int3406_thermal_match,
diff --git a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
index 89cf007146..a03b67579d 100644
--- a/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
+++ b/drivers/thermal/intel/int340x_thermal/int340x_thermal_zone.c
@@ -67,6 +67,16 @@ static struct thermal_zone_device_ops int340x_thermal_zone_ops = {
 	.critical	= int340x_thermal_critical,
 };
 
+static inline void *int_to_trip_priv(int i)
+{
+	return (void *)(long)i;
+}
+
+static inline int trip_priv_to_int(const struct thermal_trip *trip)
+{
+	return (long)trip->priv;
+}
+
 static int int340x_thermal_read_trips(struct acpi_device *zone_adev,
 				      struct thermal_trip *zone_trips,
 				      int trip_cnt)
@@ -101,6 +111,7 @@ static int int340x_thermal_read_trips(struct acpi_device *zone_adev,
 			break;
 
 		zone_trips[trip_cnt].type = THERMAL_TRIP_ACTIVE;
+		zone_trips[trip_cnt].priv = int_to_trip_priv(i);
 		trip_cnt++;
 	}
 
@@ -212,45 +223,40 @@ void int340x_thermal_zone_remove(struct int34x_thermal_zone *int34x_zone)
 }
 EXPORT_SYMBOL_GPL(int340x_thermal_zone_remove);
 
-void int340x_thermal_update_trips(struct int34x_thermal_zone *int34x_zone)
+static int int340x_update_one_trip(struct thermal_trip *trip, void *arg)
 {
-	struct acpi_device *zone_adev = int34x_zone->adev;
-	struct thermal_trip *zone_trips = int34x_zone->trips;
-	int trip_cnt = int34x_zone->zone->num_trips;
-	int act_trip_nr = 0;
-	int i;
-
-	mutex_lock(&int34x_zone->zone->lock);
-
-	for (i = int34x_zone->aux_trip_nr; i < trip_cnt; i++) {
-		int temp, err;
-
-		switch (zone_trips[i].type) {
-		case THERMAL_TRIP_CRITICAL:
-			err = thermal_acpi_critical_trip_temp(zone_adev, &temp);
-			break;
-		case THERMAL_TRIP_HOT:
-			err = thermal_acpi_hot_trip_temp(zone_adev, &temp);
-			break;
-		case THERMAL_TRIP_PASSIVE:
-			err = thermal_acpi_passive_trip_temp(zone_adev, &temp);
-			break;
-		case THERMAL_TRIP_ACTIVE:
-			err = thermal_acpi_active_trip_temp(zone_adev, act_trip_nr++,
-							    &temp);
-			break;
-		default:
-			err = -ENODEV;
-		}
-		if (err) {
-			zone_trips[i].temperature = THERMAL_TEMP_INVALID;
-			continue;
-		}
-
-		zone_trips[i].temperature = temp;
+	struct acpi_device *zone_adev = arg;
+	int temp, err;
+
+	switch (trip->type) {
+	case THERMAL_TRIP_CRITICAL:
+		err = thermal_acpi_critical_trip_temp(zone_adev, &temp);
+		break;
+	case THERMAL_TRIP_HOT:
+		err = thermal_acpi_hot_trip_temp(zone_adev, &temp);
+		break;
+	case THERMAL_TRIP_PASSIVE:
+		err = thermal_acpi_passive_trip_temp(zone_adev, &temp);
+		break;
+	case THERMAL_TRIP_ACTIVE:
+		err = thermal_acpi_active_trip_temp(zone_adev,
+						    trip_priv_to_int(trip),
+						    &temp);
+		break;
+	default:
+		err = -ENODEV;
 	}
+	if (err)
+		temp = THERMAL_TEMP_INVALID;
 
-	mutex_unlock(&int34x_zone->zone->lock);
+	trip->temperature = temp;
+	return 0;
+}
+
+void int340x_thermal_update_trips(struct int34x_thermal_zone *int34x_zone)
+{
+	thermal_zone_for_each_trip(int34x_zone->zone, int340x_update_one_trip,
+				   int34x_zone->adev);
 }
 EXPORT_SYMBOL_GPL(int340x_thermal_update_trips);
 
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
index 3ca0a2f593..649f67fdf3 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.c
@@ -26,6 +26,48 @@ static ssize_t power_limit_##index##_##suffix##_show(struct device *dev, \
 	(unsigned long)proc_dev->power_limits[index].suffix * 1000); \
 }
 
+static ssize_t power_floor_status_show(struct device *dev,
+				       struct device_attribute *attr,
+				       char *buf)
+{
+	struct proc_thermal_device *proc_dev = dev_get_drvdata(dev);
+	int ret;
+
+	ret = proc_thermal_read_power_floor_status(proc_dev);
+
+	return sysfs_emit(buf, "%d\n", ret);
+}
+
+static ssize_t power_floor_enable_show(struct device *dev,
+				       struct device_attribute *attr,
+				       char *buf)
+{
+	struct proc_thermal_device *proc_dev = dev_get_drvdata(dev);
+	bool ret;
+
+	ret = proc_thermal_power_floor_get_state(proc_dev);
+
+	return sysfs_emit(buf, "%d\n", ret);
+}
+
+static ssize_t power_floor_enable_store(struct device *dev,
+					struct device_attribute *attr,
+					const char *buf, size_t count)
+{
+	struct proc_thermal_device *proc_dev = dev_get_drvdata(dev);
+	u8 state;
+	int ret;
+
+	if (kstrtou8(buf, 0, &state))
+		return -EINVAL;
+
+	ret = proc_thermal_power_floor_set_state(proc_dev, !!state);
+	if (ret)
+		return ret;
+
+	return count;
+}
+
 POWER_LIMIT_SHOW(0, min_uw)
 POWER_LIMIT_SHOW(0, max_uw)
 POWER_LIMIT_SHOW(0, step_uw)
@@ -50,6 +92,9 @@ static DEVICE_ATTR_RO(power_limit_1_step_uw);
 static DEVICE_ATTR_RO(power_limit_1_tmin_us);
 static DEVICE_ATTR_RO(power_limit_1_tmax_us);
 
+static DEVICE_ATTR_RO(power_floor_status);
+static DEVICE_ATTR_RW(power_floor_enable);
+
 static struct attribute *power_limit_attrs[] = {
 	&dev_attr_power_limit_0_min_uw.attr,
 	&dev_attr_power_limit_1_min_uw.attr,
@@ -61,12 +106,30 @@ static struct attribute *power_limit_attrs[] = {
 	&dev_attr_power_limit_1_tmin_us.attr,
 	&dev_attr_power_limit_0_tmax_us.attr,
 	&dev_attr_power_limit_1_tmax_us.attr,
+	&dev_attr_power_floor_status.attr,
+	&dev_attr_power_floor_enable.attr,
 	NULL
 };
 
+static umode_t power_limit_attr_visible(struct kobject *kobj, struct attribute *attr, int unused)
+{
+	struct device *dev = kobj_to_dev(kobj);
+	struct proc_thermal_device *proc_dev;
+
+	if (attr != &dev_attr_power_floor_status.attr && attr != &dev_attr_power_floor_enable.attr)
+		return attr->mode;
+
+	proc_dev = dev_get_drvdata(dev);
+	if (!proc_dev || !(proc_dev->mmio_feature_mask & PROC_THERMAL_FEATURE_POWER_FLOOR))
+		return 0;
+
+	return attr->mode;
+}
+
 static const struct attribute_group power_limit_attribute_group = {
 	.attrs = power_limit_attrs,
-	.name = "power_limits"
+	.name = "power_limits",
+	.is_visible = power_limit_attr_visible,
 };
 
 static ssize_t tcc_offset_degree_celsius_show(struct device *dev,
@@ -346,12 +409,18 @@ int proc_thermal_mmio_add(struct pci_dev *pdev,
 		}
 	}
 
-	if (feature_mask & PROC_THERMAL_FEATURE_MBOX) {
-		ret = proc_thermal_mbox_add(pdev, proc_priv);
+	if (feature_mask & PROC_THERMAL_FEATURE_WT_REQ) {
+		ret = proc_thermal_wt_req_add(pdev, proc_priv);
 		if (ret) {
 			dev_err(&pdev->dev, "failed to add MBOX interface\n");
 			goto err_rem_rfim;
 		}
+	} else if (feature_mask & PROC_THERMAL_FEATURE_WT_HINT) {
+		ret = proc_thermal_wt_hint_add(pdev, proc_priv);
+		if (ret) {
+			dev_err(&pdev->dev, "failed to add WT Hint\n");
+			goto err_rem_rfim;
+		}
 	}
 
 	return 0;
@@ -374,12 +443,18 @@ void proc_thermal_mmio_remove(struct pci_dev *pdev, struct proc_thermal_device *
 	    proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_DVFS)
 		proc_thermal_rfim_remove(pdev);
 
-	if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_MBOX)
-		proc_thermal_mbox_remove(pdev);
+	if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_POWER_FLOOR)
+		proc_thermal_power_floor_set_state(proc_priv, false);
+
+	if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_WT_REQ)
+		proc_thermal_wt_req_remove(pdev);
+	else if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_WT_HINT)
+		proc_thermal_wt_hint_remove(pdev);
 }
 EXPORT_SYMBOL_GPL(proc_thermal_mmio_remove);
 
 MODULE_IMPORT_NS(INTEL_TCC);
+MODULE_IMPORT_NS(INT340X_THERMAL);
 MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
 MODULE_DESCRIPTION("Processor Thermal Reporting Device Driver");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h
index 7acaa8f1b8..95c6013a33 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device.h
@@ -10,6 +10,7 @@
 #include <linux/intel_rapl.h>
 
 #define PCI_DEVICE_ID_INTEL_ADL_THERMAL	0x461d
+#define PCI_DEVICE_ID_INTEL_ARL_S_THERMAL 0xAD03
 #define PCI_DEVICE_ID_INTEL_BDW_THERMAL	0x1603
 #define PCI_DEVICE_ID_INTEL_BSW_THERMAL	0x22DC
 
@@ -59,8 +60,10 @@ struct rapl_mmio_regs {
 #define PROC_THERMAL_FEATURE_RAPL	0x01
 #define PROC_THERMAL_FEATURE_FIVR	0x02
 #define PROC_THERMAL_FEATURE_DVFS	0x04
-#define PROC_THERMAL_FEATURE_MBOX	0x08
+#define PROC_THERMAL_FEATURE_WT_REQ	0x08
 #define PROC_THERMAL_FEATURE_DLVR	0x10
+#define PROC_THERMAL_FEATURE_WT_HINT	0x20
+#define PROC_THERMAL_FEATURE_POWER_FLOOR	0x40
 
 #if IS_ENABLED(CONFIG_PROC_THERMAL_MMIO_RAPL)
 int proc_thermal_rapl_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
@@ -80,13 +83,37 @@ static void __maybe_unused proc_thermal_rapl_remove(void)
 int proc_thermal_rfim_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
 void proc_thermal_rfim_remove(struct pci_dev *pdev);
 
-int proc_thermal_mbox_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
-void proc_thermal_mbox_remove(struct pci_dev *pdev);
+int proc_thermal_wt_req_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
+void proc_thermal_wt_req_remove(struct pci_dev *pdev);
+
+#define MBOX_CMD_WORKLOAD_TYPE_READ	0x0E
+#define MBOX_CMD_WORKLOAD_TYPE_WRITE	0x0F
+
+#define MBOX_DATA_BIT_AC_DC		30
+#define MBOX_DATA_BIT_VALID		31
+
+#define SOC_WT_RES_INT_STATUS_OFFSET	0x5B18
+#define SOC_WT_RES_INT_STATUS_MASK	GENMASK_ULL(3, 2)
+
+int proc_thermal_read_power_floor_status(struct proc_thermal_device *proc_priv);
+int proc_thermal_power_floor_set_state(struct proc_thermal_device *proc_priv, bool enable);
+bool proc_thermal_power_floor_get_state(struct proc_thermal_device *proc_priv);
+void proc_thermal_power_floor_intr_callback(struct pci_dev *pdev,
+					    struct proc_thermal_device *proc_priv);
+bool proc_thermal_check_power_floor_intr(struct proc_thermal_device *proc_priv);
 
 int processor_thermal_send_mbox_read_cmd(struct pci_dev *pdev, u16 id, u64 *resp);
 int processor_thermal_send_mbox_write_cmd(struct pci_dev *pdev, u16 id, u32 data);
+int processor_thermal_mbox_interrupt_config(struct pci_dev *pdev, bool enable, int enable_bit,
+					    int time_window);
 int proc_thermal_add(struct device *dev, struct proc_thermal_device *priv);
 void proc_thermal_remove(struct proc_thermal_device *proc_priv);
+
+int proc_thermal_wt_hint_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
+void proc_thermal_wt_hint_remove(struct pci_dev *pdev);
+void proc_thermal_wt_intr_callback(struct pci_dev *pdev, struct proc_thermal_device *proc_priv);
+bool proc_thermal_check_wt_intr(struct proc_thermal_device *proc_priv);
+
 int proc_thermal_suspend(struct device *dev);
 int proc_thermal_resume(struct device *dev);
 int proc_thermal_mmio_add(struct pci_dev *pdev,
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c
index 0d1e980072..d7495571dd 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci.c
@@ -15,6 +15,11 @@
 
 #define DRV_NAME "proc_thermal_pci"
 
+static bool use_msi;
+module_param(use_msi, bool, 0644);
+MODULE_PARM_DESC(use_msi,
+	"Use PCI MSI based interrupts for processor thermal device.");
+
 struct proc_thermal_pci {
 	struct pci_dev *pdev;
 	struct proc_thermal_device *proc_priv;
@@ -117,20 +122,64 @@ static void pkg_thermal_schedule_work(struct delayed_work *work)
 	schedule_delayed_work(work, ms);
 }
 
+static void proc_thermal_clear_soc_int_status(struct proc_thermal_device *proc_priv)
+{
+	u64 status;
+
+	if (!(proc_priv->mmio_feature_mask &
+	    (PROC_THERMAL_FEATURE_WT_HINT | PROC_THERMAL_FEATURE_POWER_FLOOR)))
+		return;
+
+	status = readq(proc_priv->mmio_base + SOC_WT_RES_INT_STATUS_OFFSET);
+	writeq(status & ~SOC_WT_RES_INT_STATUS_MASK,
+	       proc_priv->mmio_base + SOC_WT_RES_INT_STATUS_OFFSET);
+}
+
+static irqreturn_t proc_thermal_irq_thread_handler(int irq, void *devid)
+{
+	struct proc_thermal_pci *pci_info = devid;
+
+	proc_thermal_wt_intr_callback(pci_info->pdev, pci_info->proc_priv);
+	proc_thermal_power_floor_intr_callback(pci_info->pdev, pci_info->proc_priv);
+	proc_thermal_clear_soc_int_status(pci_info->proc_priv);
+
+	return IRQ_HANDLED;
+}
+
 static irqreturn_t proc_thermal_irq_handler(int irq, void *devid)
 {
 	struct proc_thermal_pci *pci_info = devid;
+	struct proc_thermal_device *proc_priv;
+	int ret = IRQ_HANDLED;
 	u32 status;
 
+	proc_priv = pci_info->proc_priv;
+
+	if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_WT_HINT) {
+		if (proc_thermal_check_wt_intr(pci_info->proc_priv))
+			ret = IRQ_WAKE_THREAD;
+	}
+
+	if (proc_priv->mmio_feature_mask & PROC_THERMAL_FEATURE_POWER_FLOOR) {
+		if (proc_thermal_check_power_floor_intr(pci_info->proc_priv))
+			ret = IRQ_WAKE_THREAD;
+	}
+
+	/*
+	 * Since now there are two sources of interrupts: one from thermal threshold
+	 * and another from workload hint, add a check if there was really a threshold
+	 * interrupt before scheduling work function for thermal threshold.
+	 */
 	proc_thermal_mmio_read(pci_info, PROC_THERMAL_MMIO_INT_STATUS_0, &status);
+	if (status) {
+		/* Disable enable interrupt flag */
+		proc_thermal_mmio_write(pci_info, PROC_THERMAL_MMIO_INT_ENABLE_0, 0);
+		pkg_thermal_schedule_work(&pci_info->work);
+	}
 
-	/* Disable enable interrupt flag */
-	proc_thermal_mmio_write(pci_info, PROC_THERMAL_MMIO_INT_ENABLE_0, 0);
 	pci_write_config_byte(pci_info->pdev, 0xdc, 0x01);
 
-	pkg_thermal_schedule_work(&pci_info->work);
-
-	return IRQ_HANDLED;
+	return ret;
 }
 
 static int sys_get_curr_temp(struct thermal_zone_device *tzd, int *temp)
@@ -203,6 +252,7 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, const struct pci_device_
 	struct proc_thermal_device *proc_priv;
 	struct proc_thermal_pci *pci_info;
 	int irq_flag = 0, irq, ret;
+	bool msi_irq = false;
 
 	proc_priv = devm_kzalloc(&pdev->dev, sizeof(*proc_priv), GFP_KERNEL);
 	if (!proc_priv)
@@ -223,19 +273,19 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, const struct pci_device_
 
 	INIT_DELAYED_WORK(&pci_info->work, proc_thermal_threshold_work_fn);
 
-	ret = proc_thermal_add(&pdev->dev, proc_priv);
-	if (ret) {
-		dev_err(&pdev->dev, "error: proc_thermal_add, will continue\n");
-		pci_info->no_legacy = 1;
-	}
-
 	proc_priv->priv_data = pci_info;
 	pci_info->proc_priv = proc_priv;
 	pci_set_drvdata(pdev, proc_priv);
 
 	ret = proc_thermal_mmio_add(pdev, proc_priv, id->driver_data);
 	if (ret)
-		goto err_ret_thermal;
+		return ret;
+
+	ret = proc_thermal_add(&pdev->dev, proc_priv);
+	if (ret) {
+		dev_err(&pdev->dev, "error: proc_thermal_add, will continue\n");
+		pci_info->no_legacy = 1;
+	}
 
 	psv_trip.temperature = get_trip_temp(pci_info);
 
@@ -245,21 +295,26 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, const struct pci_device_
 							&tzone_params, 0, 0);
 	if (IS_ERR(pci_info->tzone)) {
 		ret = PTR_ERR(pci_info->tzone);
-		goto err_ret_mmio;
+		goto err_del_legacy;
 	}
 
-	/* request and enable interrupt */
-	ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
-	if (ret < 0) {
-		dev_err(&pdev->dev, "Failed to allocate vectors!\n");
-		goto err_ret_tzone;
-	}
-	if (!pdev->msi_enabled && !pdev->msix_enabled)
+	if (use_msi && (pdev->msi_enabled || pdev->msix_enabled)) {
+		/* request and enable interrupt */
+		ret = pci_alloc_irq_vectors(pdev, 1, 1, PCI_IRQ_ALL_TYPES);
+		if (ret < 0) {
+			dev_err(&pdev->dev, "Failed to allocate vectors!\n");
+			goto err_ret_tzone;
+		}
+
+		irq =  pci_irq_vector(pdev, 0);
+		msi_irq = true;
+	} else {
 		irq_flag = IRQF_SHARED;
+		irq = pdev->irq;
+	}
 
-	irq =  pci_irq_vector(pdev, 0);
 	ret = devm_request_threaded_irq(&pdev->dev, irq,
-					proc_thermal_irq_handler, NULL,
+					proc_thermal_irq_handler, proc_thermal_irq_thread_handler,
 					irq_flag, KBUILD_MODNAME, pci_info);
 	if (ret) {
 		dev_err(&pdev->dev, "Request IRQ %d failed\n", pdev->irq);
@@ -273,14 +328,14 @@ static int proc_thermal_pci_probe(struct pci_dev *pdev, const struct pci_device_
 	return 0;
 
 err_free_vectors:
-	pci_free_irq_vectors(pdev);
+	if (msi_irq)
+		pci_free_irq_vectors(pdev);
 err_ret_tzone:
 	thermal_zone_device_unregister(pci_info->tzone);
-err_ret_mmio:
-	proc_thermal_mmio_remove(pdev, proc_priv);
-err_ret_thermal:
+err_del_legacy:
 	if (!pci_info->no_legacy)
 		proc_thermal_remove(proc_priv);
+	proc_thermal_mmio_remove(pdev, proc_priv);
 	pci_disable_device(pdev);
 
 	return ret;
@@ -350,9 +405,15 @@ static SIMPLE_DEV_PM_OPS(proc_thermal_pci_pm, proc_thermal_pci_suspend,
 			 proc_thermal_pci_resume);
 
 static const struct pci_device_id proc_thermal_pci_ids[] = {
-	{ PCI_DEVICE_DATA(INTEL, ADL_THERMAL, PROC_THERMAL_FEATURE_RAPL | PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_MBOX) },
-	{ PCI_DEVICE_DATA(INTEL, MTLP_THERMAL, PROC_THERMAL_FEATURE_RAPL | PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_MBOX | PROC_THERMAL_FEATURE_DLVR) },
-	{ PCI_DEVICE_DATA(INTEL, RPL_THERMAL, PROC_THERMAL_FEATURE_RAPL | PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_MBOX) },
+	{ PCI_DEVICE_DATA(INTEL, ADL_THERMAL, PROC_THERMAL_FEATURE_RAPL |
+	  PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_WT_REQ) },
+	{ PCI_DEVICE_DATA(INTEL, MTLP_THERMAL, PROC_THERMAL_FEATURE_RAPL |
+	  PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_DLVR |
+	  PROC_THERMAL_FEATURE_WT_HINT | PROC_THERMAL_FEATURE_POWER_FLOOR) },
+	{ PCI_DEVICE_DATA(INTEL, ARL_S_THERMAL, PROC_THERMAL_FEATURE_RAPL |
+	  PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_DLVR | PROC_THERMAL_FEATURE_WT_HINT) },
+	{ PCI_DEVICE_DATA(INTEL, RPL_THERMAL, PROC_THERMAL_FEATURE_RAPL |
+	  PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_DVFS | PROC_THERMAL_FEATURE_WT_REQ) },
 	{ },
 };
 
@@ -368,6 +429,8 @@ static struct pci_driver proc_thermal_pci_driver = {
 
 module_pci_driver(proc_thermal_pci_driver);
 
+MODULE_IMPORT_NS(INT340X_THERMAL);
+
 MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
 MODULE_DESCRIPTION("Processor Thermal Reporting Device Driver");
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci_legacy.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci_legacy.c
index 16fd9df5f3..ccfdd2f9d9 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci_legacy.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_device_pci_legacy.c
@@ -137,7 +137,8 @@ static const struct pci_device_id proc_thermal_pci_ids[] = {
 	{ PCI_DEVICE_DATA(INTEL, ICL_THERMAL, PROC_THERMAL_FEATURE_RAPL) },
 	{ PCI_DEVICE_DATA(INTEL, JSL_THERMAL, 0) },
 	{ PCI_DEVICE_DATA(INTEL, SKL_THERMAL, PROC_THERMAL_FEATURE_RAPL) },
-	{ PCI_DEVICE_DATA(INTEL, TGL_THERMAL, PROC_THERMAL_FEATURE_RAPL | PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_MBOX) },
+	{ PCI_DEVICE_DATA(INTEL, TGL_THERMAL, PROC_THERMAL_FEATURE_RAPL |
+	  PROC_THERMAL_FEATURE_FIVR | PROC_THERMAL_FEATURE_WT_REQ) },
 	{ },
 };
 
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c
index 0b89a4340f..4d3bd32ff9 100644
--- a/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_mbox.c
@@ -10,18 +10,12 @@
 #include <linux/io-64-nonatomic-lo-hi.h>
 #include "processor_thermal_device.h"
 
-#define MBOX_CMD_WORKLOAD_TYPE_READ	0x0E
-#define MBOX_CMD_WORKLOAD_TYPE_WRITE	0x0F
-
 #define MBOX_OFFSET_DATA		0x5810
 #define MBOX_OFFSET_INTERFACE		0x5818
 
 #define MBOX_BUSY_BIT			31
 #define MBOX_RETRY_COUNT		100
 
-#define MBOX_DATA_BIT_VALID		31
-#define MBOX_DATA_BIT_AC_DC		30
-
 static DEFINE_MUTEX(mbox_lock);
 
 static int wait_for_mbox_ready(struct proc_thermal_device *proc_priv)
@@ -51,23 +45,16 @@ static int send_mbox_write_cmd(struct pci_dev *pdev, u16 id, u32 data)
 	int ret;
 
 	proc_priv = pci_get_drvdata(pdev);
-
-	mutex_lock(&mbox_lock);
-
 	ret = wait_for_mbox_ready(proc_priv);
 	if (ret)
-		goto unlock_mbox;
+		return ret;
 
 	writel(data, (proc_priv->mmio_base + MBOX_OFFSET_DATA));
 	/* Write command register */
 	reg_data = BIT_ULL(MBOX_BUSY_BIT) | id;
 	writel(reg_data, (proc_priv->mmio_base + MBOX_OFFSET_INTERFACE));
 
-	ret = wait_for_mbox_ready(proc_priv);
-
-unlock_mbox:
-	mutex_unlock(&mbox_lock);
-	return ret;
+	return wait_for_mbox_ready(proc_priv);
 }
 
 static int send_mbox_read_cmd(struct pci_dev *pdev, u16 id, u64 *resp)
@@ -77,12 +64,9 @@ static int send_mbox_read_cmd(struct pci_dev *pdev, u16 id, u64 *resp)
 	int ret;
 
 	proc_priv = pci_get_drvdata(pdev);
-
-	mutex_lock(&mbox_lock);
-
 	ret = wait_for_mbox_ready(proc_priv);
 	if (ret)
-		goto unlock_mbox;
+		return ret;
 
 	/* Write command register */
 	reg_data = BIT_ULL(MBOX_BUSY_BIT) | id;
@@ -90,152 +74,85 @@ static int send_mbox_read_cmd(struct pci_dev *pdev, u16 id, u64 *resp)
 
 	ret = wait_for_mbox_ready(proc_priv);
 	if (ret)
-		goto unlock_mbox;
+		return ret;
 
 	if (id == MBOX_CMD_WORKLOAD_TYPE_READ)
 		*resp = readl(proc_priv->mmio_base + MBOX_OFFSET_DATA);
 	else
 		*resp = readq(proc_priv->mmio_base + MBOX_OFFSET_DATA);
 
-unlock_mbox:
-	mutex_unlock(&mbox_lock);
-	return ret;
+	return 0;
 }
 
 int processor_thermal_send_mbox_read_cmd(struct pci_dev *pdev, u16 id, u64 *resp)
 {
-	return send_mbox_read_cmd(pdev, id, resp);
+	int ret;
+
+	mutex_lock(&mbox_lock);
+	ret = send_mbox_read_cmd(pdev, id, resp);
+	mutex_unlock(&mbox_lock);
+
+	return ret;
 }
 EXPORT_SYMBOL_NS_GPL(processor_thermal_send_mbox_read_cmd, INT340X_THERMAL);
 
 int processor_thermal_send_mbox_write_cmd(struct pci_dev *pdev, u16 id, u32 data)
 {
-	return send_mbox_write_cmd(pdev, id, data);
-}
-EXPORT_SYMBOL_NS_GPL(processor_thermal_send_mbox_write_cmd, INT340X_THERMAL);
-
-/* List of workload types */
-static const char * const workload_types[] = {
-	"none",
-	"idle",
-	"semi_active",
-	"bursty",
-	"sustained",
-	"battery_life",
-	NULL
-};
-
-static ssize_t workload_available_types_show(struct device *dev,
-					       struct device_attribute *attr,
-					       char *buf)
-{
-	int i = 0;
-	int ret = 0;
-
-	while (workload_types[i] != NULL)
-		ret += sprintf(&buf[ret], "%s ", workload_types[i++]);
+	int ret;
 
-	ret += sprintf(&buf[ret], "\n");
+	mutex_lock(&mbox_lock);
+	ret = send_mbox_write_cmd(pdev, id, data);
+	mutex_unlock(&mbox_lock);
 
 	return ret;
 }
+EXPORT_SYMBOL_NS_GPL(processor_thermal_send_mbox_write_cmd, INT340X_THERMAL);
 
-static DEVICE_ATTR_RO(workload_available_types);
-
-static ssize_t workload_type_store(struct device *dev,
-				    struct device_attribute *attr,
-				    const char *buf, size_t count)
-{
-	struct pci_dev *pdev = to_pci_dev(dev);
-	char str_preference[15];
-	u32 data = 0;
-	ssize_t ret;
-
-	ret = sscanf(buf, "%14s", str_preference);
-	if (ret != 1)
-		return -EINVAL;
-
-	ret = match_string(workload_types, -1, str_preference);
-	if (ret < 0)
-		return ret;
-
-	ret &= 0xff;
-
-	if (ret)
-		data = BIT(MBOX_DATA_BIT_VALID) | BIT(MBOX_DATA_BIT_AC_DC);
-
-	data |= ret;
-
-	ret = send_mbox_write_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_WRITE, data);
-	if (ret)
-		return false;
-
-	return count;
-}
+#define MBOX_CAMARILLO_RD_INTR_CONFIG	0x1E
+#define MBOX_CAMARILLO_WR_INTR_CONFIG	0x1F
+#define WLT_TW_MASK			GENMASK_ULL(30, 24)
+#define SOC_PREDICTION_TW_SHIFT		24
 
-static ssize_t workload_type_show(struct device *dev,
-				   struct device_attribute *attr,
-				   char *buf)
+int processor_thermal_mbox_interrupt_config(struct pci_dev *pdev, bool enable,
+					    int enable_bit, int time_window)
 {
-	struct pci_dev *pdev = to_pci_dev(dev);
-	u64 cmd_resp;
+	u64 data;
 	int ret;
 
-	ret = send_mbox_read_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_READ, &cmd_resp);
-	if (ret)
-		return false;
-
-	cmd_resp &= 0xff;
-
-	if (cmd_resp > ARRAY_SIZE(workload_types) - 1)
-		return -EINVAL;
+	if (!pdev)
+		return -ENODEV;
 
-	return sprintf(buf, "%s\n", workload_types[cmd_resp]);
-}
-
-static DEVICE_ATTR_RW(workload_type);
+	mutex_lock(&mbox_lock);
 
-static struct attribute *workload_req_attrs[] = {
-	&dev_attr_workload_available_types.attr,
-	&dev_attr_workload_type.attr,
-	NULL
-};
+	/* Do read modify write for MBOX_CAMARILLO_RD_INTR_CONFIG */
 
-static const struct attribute_group workload_req_attribute_group = {
-	.attrs = workload_req_attrs,
-	.name = "workload_request"
-};
+	ret = send_mbox_read_cmd(pdev, MBOX_CAMARILLO_RD_INTR_CONFIG,  &data);
+	if (ret) {
+		dev_err(&pdev->dev, "MBOX_CAMARILLO_RD_INTR_CONFIG failed\n");
+		goto unlock;
+	}
 
-static bool workload_req_created;
+	if (time_window >= 0) {
+		data &= ~WLT_TW_MASK;
 
-int proc_thermal_mbox_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv)
-{
-	u64 cmd_resp;
-	int ret;
+		/* Program notification delay */
+		data |= ((u64)time_window << SOC_PREDICTION_TW_SHIFT) & WLT_TW_MASK;
+	}
 
-	/* Check if there is a mailbox support, if fails return success */
-	ret = send_mbox_read_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_READ, &cmd_resp);
-	if (ret)
-		return 0;
+	if (enable)
+		data |= BIT(enable_bit);
+	else
+		data &= ~BIT(enable_bit);
 
-	ret = sysfs_create_group(&pdev->dev.kobj, &workload_req_attribute_group);
+	ret = send_mbox_write_cmd(pdev, MBOX_CAMARILLO_WR_INTR_CONFIG, data);
 	if (ret)
-		return ret;
+		dev_err(&pdev->dev, "MBOX_CAMARILLO_WR_INTR_CONFIG failed\n");
 
-	workload_req_created = true;
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(proc_thermal_mbox_add);
-
-void proc_thermal_mbox_remove(struct pci_dev *pdev)
-{
-	if (workload_req_created)
-		sysfs_remove_group(&pdev->dev.kobj, &workload_req_attribute_group);
-
-	workload_req_created = false;
+unlock:
+	mutex_unlock(&mbox_lock);
 
+	return ret;
 }
-EXPORT_SYMBOL_GPL(proc_thermal_mbox_remove);
+EXPORT_SYMBOL_NS_GPL(processor_thermal_mbox_interrupt_config, INT340X_THERMAL);
 
 MODULE_LICENSE("GPL v2");
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_power_floor.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_power_floor.c
new file mode 100644
index 0000000000..a1a108407f
--- /dev/null
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_power_floor.c
@@ -0,0 +1,126 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Processor thermal device module for registering and processing
+ * power floor. When the hardware reduces the power to the minimum
+ * possible, the power floor is notified via an interrupt.
+ *
+ * Operation:
+ * When user space enables power floor reporting:
+ * - Use mailbox to:
+ *	Enable processor thermal device interrupt
+ *
+ * - Current status of power floor is read from offset 0x5B18
+ *   bit 39.
+ *
+ * Two interface functions are provided to call when there is a
+ * thermal device interrupt:
+ * - proc_thermal_power_floor_intr():
+ *	Check if the interrupt is for change in power floor.
+ *	Called from interrupt context.
+ *
+ * - proc_thermal_power_floor_intr_callback():
+ *	Callback for interrupt processing in thread context. This involves
+ *	sending notification to user space that there is a change in the
+ *	power floor status.
+ *
+ * Copyright (c) 2023, Intel Corporation.
+ */
+
+#include <linux/pci.h>
+#include "processor_thermal_device.h"
+
+#define SOC_POWER_FLOOR_STATUS		BIT(39)
+#define SOC_POWER_FLOOR_SHIFT		39
+
+#define SOC_POWER_FLOOR_INT_ENABLE_BIT	31
+#define SOC_POWER_FLOOR_INT_ACTIVE	BIT(3)
+
+int proc_thermal_read_power_floor_status(struct proc_thermal_device *proc_priv)
+{
+	u64 status = 0;
+
+	status = readq(proc_priv->mmio_base + SOC_WT_RES_INT_STATUS_OFFSET);
+	return (status & SOC_POWER_FLOOR_STATUS) >> SOC_POWER_FLOOR_SHIFT;
+}
+EXPORT_SYMBOL_NS_GPL(proc_thermal_read_power_floor_status, INT340X_THERMAL);
+
+static bool enable_state;
+static DEFINE_MUTEX(pf_lock);
+
+int proc_thermal_power_floor_set_state(struct proc_thermal_device *proc_priv, bool enable)
+{
+	int ret = 0;
+
+	mutex_lock(&pf_lock);
+	if (enable_state == enable)
+		goto pf_unlock;
+
+	/*
+	 * Time window parameter is not applicable to power floor interrupt configuration.
+	 * Hence use -1 for time window.
+	 */
+	ret = processor_thermal_mbox_interrupt_config(to_pci_dev(proc_priv->dev), enable,
+						      SOC_POWER_FLOOR_INT_ENABLE_BIT, -1);
+	if (!ret)
+		enable_state = enable;
+
+pf_unlock:
+	mutex_unlock(&pf_lock);
+
+	return ret;
+}
+EXPORT_SYMBOL_NS_GPL(proc_thermal_power_floor_set_state, INT340X_THERMAL);
+
+bool proc_thermal_power_floor_get_state(struct proc_thermal_device *proc_priv)
+{
+	return enable_state;
+}
+EXPORT_SYMBOL_NS_GPL(proc_thermal_power_floor_get_state, INT340X_THERMAL);
+
+/**
+ * proc_thermal_check_power_floor_intr() - Check power floor interrupt.
+ * @proc_priv: Processor thermal device instance.
+ *
+ * Callback to check if the interrupt for power floor is active.
+ *
+ * Context: Called from interrupt context.
+ *
+ * Return: true if power floor is active, false when not active.
+ */
+bool proc_thermal_check_power_floor_intr(struct proc_thermal_device *proc_priv)
+{
+	u64 int_status;
+
+	int_status = readq(proc_priv->mmio_base + SOC_WT_RES_INT_STATUS_OFFSET);
+	return !!(int_status & SOC_POWER_FLOOR_INT_ACTIVE);
+}
+EXPORT_SYMBOL_NS_GPL(proc_thermal_check_power_floor_intr, INT340X_THERMAL);
+
+/**
+ * proc_thermal_power_floor_intr_callback() - Process power floor notification
+ * @pdev:	PCI device instance
+ * @proc_priv: Processor thermal device instance.
+ *
+ * Check if the power floor interrupt is active, if active send notification to
+ * user space for the attribute "power_limits", so that user can read the attribute
+ * and take action.
+ *
+ * Context: Called from interrupt thread context.
+ *
+ * Return: None.
+ */
+void proc_thermal_power_floor_intr_callback(struct pci_dev *pdev,
+					    struct proc_thermal_device *proc_priv)
+{
+	u64 status;
+
+	status = readq(proc_priv->mmio_base + SOC_WT_RES_INT_STATUS_OFFSET);
+	if (!(status & SOC_POWER_FLOOR_INT_ACTIVE))
+		return;
+
+	sysfs_notify(&pdev->dev.kobj, "power_limits", "power_floor_status");
+}
+EXPORT_SYMBOL_NS_GPL(proc_thermal_power_floor_intr_callback, INT340X_THERMAL);
+
+MODULE_IMPORT_NS(INT340X_THERMAL);
+MODULE_LICENSE("GPL");
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_hint.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_hint.c
new file mode 100644
index 0000000000..9d5e4c169d
--- /dev/null
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_hint.c
@@ -0,0 +1,255 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * processor thermal device interface for reading workload type hints
+ * from the user space. The hints are provided by the firmware.
+ *
+ * Operation:
+ * When user space enables workload type prediction:
+ * - Use mailbox to:
+ *	Configure notification delay
+ *	Enable processor thermal device interrupt
+ *
+ * - The predicted workload type can be read from MMIO:
+ *	Offset 0x5B18 shows if there was an interrupt
+ *	active for change in workload type and also
+ *	predicted workload type.
+ *
+ * Two interface functions are provided to call when there is a
+ * thermal device interrupt:
+ * - proc_thermal_check_wt_intr():
+ *     Check if the interrupt is for change in workload type. Called from
+ *     interrupt context.
+ *
+ * - proc_thermal_wt_intr_callback():
+ *     Callback for interrupt processing in thread context. This involves
+ *	sending notification to user space that there is a change in the
+ *     workload type.
+ *
+ * Copyright (c) 2023, Intel Corporation.
+ */
+
+#include <linux/bitfield.h>
+#include <linux/pci.h>
+#include "processor_thermal_device.h"
+
+#define SOC_WT				GENMASK_ULL(47, 40)
+
+#define SOC_WT_PREDICTION_INT_ENABLE_BIT	23
+
+#define SOC_WT_PREDICTION_INT_ACTIVE	BIT(2)
+
+/*
+ * Closest possible to 1 Second is 1024 ms with programmed time delay
+ * of 0x0A.
+ */
+static u8 notify_delay = 0x0A;
+static u16 notify_delay_ms = 1024;
+
+static DEFINE_MUTEX(wt_lock);
+static u8 wt_enable;
+
+/* Show current predicted workload type index */
+static ssize_t workload_type_index_show(struct device *dev,
+					struct device_attribute *attr,
+					char *buf)
+{
+	struct proc_thermal_device *proc_priv;
+	struct pci_dev *pdev = to_pci_dev(dev);
+	u64 status = 0;
+	int wt;
+
+	mutex_lock(&wt_lock);
+	if (!wt_enable) {
+		mutex_unlock(&wt_lock);
+		return -ENODATA;
+	}
+
+	proc_priv = pci_get_drvdata(pdev);
+
+	status = readq(proc_priv->mmio_base + SOC_WT_RES_INT_STATUS_OFFSET);
+
+	mutex_unlock(&wt_lock);
+
+	wt = FIELD_GET(SOC_WT, status);
+
+	return sysfs_emit(buf, "%d\n", wt);
+}
+
+static DEVICE_ATTR_RO(workload_type_index);
+
+static ssize_t workload_hint_enable_show(struct device *dev,
+					 struct device_attribute *attr,
+					 char *buf)
+{
+	return sysfs_emit(buf, "%d\n", wt_enable);
+}
+
+static ssize_t workload_hint_enable_store(struct device *dev,
+					  struct device_attribute *attr,
+					  const char *buf, size_t size)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	u8 mode;
+	int ret;
+
+	if (kstrtou8(buf, 10, &mode) || mode > 1)
+		return -EINVAL;
+
+	mutex_lock(&wt_lock);
+
+	if (mode)
+		ret = processor_thermal_mbox_interrupt_config(pdev, true,
+							      SOC_WT_PREDICTION_INT_ENABLE_BIT,
+							      notify_delay);
+	else
+		ret = processor_thermal_mbox_interrupt_config(pdev, false,
+							      SOC_WT_PREDICTION_INT_ENABLE_BIT, 0);
+
+	if (ret)
+		goto ret_enable_store;
+
+	ret = size;
+	wt_enable = mode;
+
+ret_enable_store:
+	mutex_unlock(&wt_lock);
+
+	return ret;
+}
+
+static DEVICE_ATTR_RW(workload_hint_enable);
+
+static ssize_t notification_delay_ms_show(struct device *dev,
+					  struct device_attribute *attr,
+					  char *buf)
+{
+	return sysfs_emit(buf, "%u\n", notify_delay_ms);
+}
+
+static ssize_t notification_delay_ms_store(struct device *dev,
+					   struct device_attribute *attr,
+					   const char *buf, size_t size)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	u16 new_tw;
+	int ret;
+	u8 tm;
+
+	/*
+	 * Time window register value:
+	 * Formula: (1 + x/4) * power(2,y)
+	 * x = 2 msbs, that is [30:29] y = 5 [28:24]
+	 * in INTR_CONFIG register.
+	 * The result will be in milli seconds.
+	 * Here, just keep x = 0, and just change y.
+	 * First round up the user value to power of 2 and
+	 * then take log2, to get "y" value to program.
+	 */
+	ret = kstrtou16(buf, 10, &new_tw);
+	if (ret)
+		return ret;
+
+	if (!new_tw)
+		return -EINVAL;
+
+	new_tw = roundup_pow_of_two(new_tw);
+	tm = ilog2(new_tw);
+	if (tm > 31)
+		return -EINVAL;
+
+	mutex_lock(&wt_lock);
+
+	/* If the workload hint was already enabled, then update with the new delay */
+	if (wt_enable)
+		ret = processor_thermal_mbox_interrupt_config(pdev, true,
+							      SOC_WT_PREDICTION_INT_ENABLE_BIT,
+							      tm);
+
+	if (!ret) {
+		ret = size;
+		notify_delay = tm;
+		notify_delay_ms = new_tw;
+	}
+
+	mutex_unlock(&wt_lock);
+
+	return ret;
+}
+
+static DEVICE_ATTR_RW(notification_delay_ms);
+
+static struct attribute *workload_hint_attrs[] = {
+	&dev_attr_workload_type_index.attr,
+	&dev_attr_workload_hint_enable.attr,
+	&dev_attr_notification_delay_ms.attr,
+	NULL
+};
+
+static const struct attribute_group workload_hint_attribute_group = {
+	.attrs = workload_hint_attrs,
+	.name = "workload_hint"
+};
+
+/*
+ * Callback to check if the interrupt for prediction is active.
+ * Caution: Called from the interrupt context.
+ */
+bool proc_thermal_check_wt_intr(struct proc_thermal_device *proc_priv)
+{
+	u64 int_status;
+
+	int_status = readq(proc_priv->mmio_base + SOC_WT_RES_INT_STATUS_OFFSET);
+	if (int_status & SOC_WT_PREDICTION_INT_ACTIVE)
+		return true;
+
+	return false;
+}
+EXPORT_SYMBOL_NS_GPL(proc_thermal_check_wt_intr, INT340X_THERMAL);
+
+/* Callback to notify user space */
+void proc_thermal_wt_intr_callback(struct pci_dev *pdev, struct proc_thermal_device *proc_priv)
+{
+	u64 status;
+
+	status = readq(proc_priv->mmio_base + SOC_WT_RES_INT_STATUS_OFFSET);
+	if (!(status & SOC_WT_PREDICTION_INT_ACTIVE))
+		return;
+
+	sysfs_notify(&pdev->dev.kobj, "workload_hint", "workload_type_index");
+}
+EXPORT_SYMBOL_NS_GPL(proc_thermal_wt_intr_callback, INT340X_THERMAL);
+
+static bool workload_hint_created;
+
+int proc_thermal_wt_hint_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv)
+{
+	int ret;
+
+	ret = sysfs_create_group(&pdev->dev.kobj, &workload_hint_attribute_group);
+	if (ret)
+		return ret;
+
+	workload_hint_created = true;
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(proc_thermal_wt_hint_add, INT340X_THERMAL);
+
+void proc_thermal_wt_hint_remove(struct pci_dev *pdev)
+{
+	mutex_lock(&wt_lock);
+	if (wt_enable)
+		processor_thermal_mbox_interrupt_config(pdev, false,
+							SOC_WT_PREDICTION_INT_ENABLE_BIT,
+							0);
+	mutex_unlock(&wt_lock);
+
+	if (workload_hint_created)
+		sysfs_remove_group(&pdev->dev.kobj, &workload_hint_attribute_group);
+
+	workload_hint_created = false;
+}
+EXPORT_SYMBOL_NS_GPL(proc_thermal_wt_hint_remove, INT340X_THERMAL);
+
+MODULE_IMPORT_NS(INT340X_THERMAL);
+MODULE_LICENSE("GPL");
diff --git a/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_req.c b/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_req.c
new file mode 100644
index 0000000000..711c4f761c
--- /dev/null
+++ b/drivers/thermal/intel/int340x_thermal/processor_thermal_wt_req.c
@@ -0,0 +1,136 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * processor thermal device for Workload type hints
+ * update from user space
+ *
+ * Copyright (c) 2020-2023, Intel Corporation.
+ */
+
+#include <linux/pci.h>
+#include "processor_thermal_device.h"
+
+/* List of workload types */
+static const char * const workload_types[] = {
+	"none",
+	"idle",
+	"semi_active",
+	"bursty",
+	"sustained",
+	"battery_life",
+	NULL
+};
+
+static ssize_t workload_available_types_show(struct device *dev,
+					     struct device_attribute *attr,
+					     char *buf)
+{
+	int i = 0;
+	int ret = 0;
+
+	while (workload_types[i] != NULL)
+		ret += sprintf(&buf[ret], "%s ", workload_types[i++]);
+
+	ret += sprintf(&buf[ret], "\n");
+
+	return ret;
+}
+
+static DEVICE_ATTR_RO(workload_available_types);
+
+static ssize_t workload_type_store(struct device *dev,
+				   struct device_attribute *attr,
+				   const char *buf, size_t count)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	char str_preference[15];
+	u32 data = 0;
+	ssize_t ret;
+
+	ret = sscanf(buf, "%14s", str_preference);
+	if (ret != 1)
+		return -EINVAL;
+
+	ret = match_string(workload_types, -1, str_preference);
+	if (ret < 0)
+		return ret;
+
+	ret &= 0xff;
+
+	if (ret)
+		data = BIT(MBOX_DATA_BIT_VALID) | BIT(MBOX_DATA_BIT_AC_DC);
+
+	data |= ret;
+
+	ret = processor_thermal_send_mbox_write_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_WRITE, data);
+	if (ret)
+		return false;
+
+	return count;
+}
+
+static ssize_t workload_type_show(struct device *dev,
+				  struct device_attribute *attr,
+				  char *buf)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	u64 cmd_resp;
+	int ret;
+
+	ret = processor_thermal_send_mbox_read_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_READ, &cmd_resp);
+	if (ret)
+		return false;
+
+	cmd_resp &= 0xff;
+
+	if (cmd_resp > ARRAY_SIZE(workload_types) - 1)
+		return -EINVAL;
+
+	return sprintf(buf, "%s\n", workload_types[cmd_resp]);
+}
+
+static DEVICE_ATTR_RW(workload_type);
+
+static struct attribute *workload_req_attrs[] = {
+	&dev_attr_workload_available_types.attr,
+	&dev_attr_workload_type.attr,
+	NULL
+};
+
+static const struct attribute_group workload_req_attribute_group = {
+	.attrs = workload_req_attrs,
+	.name = "workload_request"
+};
+
+static bool workload_req_created;
+
+int proc_thermal_wt_req_add(struct pci_dev *pdev, struct proc_thermal_device *proc_priv)
+{
+	u64 cmd_resp;
+	int ret;
+
+	/* Check if there is a mailbox support, if fails return success */
+	ret = processor_thermal_send_mbox_read_cmd(pdev, MBOX_CMD_WORKLOAD_TYPE_READ, &cmd_resp);
+	if (ret)
+		return 0;
+
+	ret = sysfs_create_group(&pdev->dev.kobj, &workload_req_attribute_group);
+	if (ret)
+		return ret;
+
+	workload_req_created = true;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(proc_thermal_wt_req_add);
+
+void proc_thermal_wt_req_remove(struct pci_dev *pdev)
+{
+	if (workload_req_created)
+		sysfs_remove_group(&pdev->dev.kobj, &workload_req_attribute_group);
+
+	workload_req_created = false;
+}
+EXPORT_SYMBOL_GPL(proc_thermal_wt_req_remove);
+
+MODULE_IMPORT_NS(INT340X_THERMAL);
+MODULE_LICENSE("GPL");