Merge branch 'for-6.17/intel-thc' into for-linus

- support for Wake-on-touch in intel-thc (Even Xu)

- support for "Input max input size control" and "Input interrupt delay"
  I2C features in order to improve compatibility of THC devices with
  legacy HIDI2C touch devices (Even Xu)

11 files changed, 544 insertions, 121 deletions

diff --git a/drivers/hid/intel-thc-hid/Makefile b/drivers/hid/intel-thc-hid/Makefile
index 6f762d87af07..f1182253b5b7 100644
--- a/drivers/hid/intel-thc-hid/Makefile
+++ b/drivers/hid/intel-thc-hid/Makefile
@@ -8,6 +8,7 @@
 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
+intel-thc-objs += intel-thc/intel-thc-wot.o
 
 obj-$(CONFIG_INTEL_QUICKSPI) += intel-quickspi.o
 intel-quickspi-objs += intel-quickspi/pci-quickspi.o
diff --git a/drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c b/drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c
index 8a8c4a46f927..e944a6ccb776 100644
--- a/drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c
+++ b/drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c
@@ -11,13 +11,20 @@
 #include <linux/sizes.h>
 #include <linux/pm_runtime.h>
 
+#include <linux/gpio/consumer.h>
+
 #include "intel-thc-dev.h"
 #include "intel-thc-hw.h"
+#include "intel-thc-wot.h"
 
 #include "quicki2c-dev.h"
 #include "quicki2c-hid.h"
 #include "quicki2c-protocol.h"
 
+static struct quicki2c_ddata ptl_ddata = {
+	.max_detect_size = MAX_RX_DETECT_SIZE_PTL,
+};
+
 /* THC QuickI2C ACPI method to get device properties */
 /* HIDI2C device method */
 static guid_t i2c_hid_guid =
@@ -27,19 +34,26 @@ static guid_t i2c_hid_guid =
 static guid_t thc_platform_guid =
 	GUID_INIT(0x84005682, 0x5b71, 0x41a4, 0x8d, 0x66, 0x81, 0x30, 0xf7, 0x87, 0xa1, 0x38);
 
+/* QuickI2C Wake-on-Touch GPIO resource */
+static const struct acpi_gpio_params wake_gpio = { 0, 0, true };
+
+static const struct acpi_gpio_mapping quicki2c_gpios[] = {
+	{ "wake-on-touch", &wake_gpio, 1 },
+	{ }
+};
+
 /**
  * quicki2c_acpi_get_dsm_property - Query device ACPI DSM parameter
- *
- * @adev: point to ACPI device
+ * @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
+ * @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.
+ * Return: 0 if success or ENODEV on failure.
  */
 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)
@@ -67,11 +81,10 @@ static int quicki2c_acpi_get_dsm_property(struct acpi_device *adev, const guid_t
 
 /**
  * quicki2c_acpi_get_dsd_property - Query device ACPI DSD parameter
- *
- * @adev: point to ACPI device
+ * @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
+ * @prop_buf: Point to return buffer
  *
  * This is a helper function for device to query its ACPI DSD parameters.
  *
@@ -100,13 +113,12 @@ static int quicki2c_acpi_get_dsd_property(struct acpi_device *adev, acpi_string
 }
 
 /**
- * quicki2c_get_acpi_resources - Query all quicki2c devices' ACPI parameters
+ * quicki2c_get_acpi_resources - Query all QuickI2C devices' ACPI parameters
+ * @qcdev: Point to quicki2c_device structure
  *
- * @qcdev: point to quicki2c device
+ * This function gets all QuickI2C devices' ACPI resource.
  *
- * This function gets all quicki2c devices' ACPI resource.
- *
- * Return: 0 if success or error code on failed.
+ * Return: 0 if success or error code on failure.
  */
 static int quicki2c_get_acpi_resources(struct quicki2c_device *qcdev)
 {
@@ -192,10 +204,9 @@ static int quicki2c_get_acpi_resources(struct quicki2c_device *qcdev)
 }
 
 /**
- * quicki2c_irq_quick_handler - The ISR of the quicki2c driver
- *
+ * quicki2c_irq_quick_handler - The ISR of the QuickI2C driver
  * @irq: The irq number
- * @dev_id: pointer to the device structure
+ * @dev_id: Pointer to the quicki2c_device structure
  *
  * Return: IRQ_WAKE_THREAD if further process needed.
  */
@@ -214,13 +225,13 @@ static irqreturn_t quicki2c_irq_quick_handler(int irq, void *dev_id)
 
 /**
  * try_recover - Try to recovery THC and Device
- * @qcdev: pointer to quicki2c device
+ * @qcdev: Pointer to quicki2c_device structure
  *
- * 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.
+ * This function is an error handler, called when fatal error happens.
+ * It try to reset touch device and re-configure THC to recovery
+ * communication between touch device and THC.
  *
- * Return: 0 if successful or error code on failed
+ * Return: 0 if successful or error code on failure
  */
 static int try_recover(struct quicki2c_device *qcdev)
 {
@@ -264,7 +275,7 @@ static int handle_input_report(struct quicki2c_device *qcdev)
 			continue;
 		}
 
-		/* discard samples before driver probe complete */
+		/* Discard samples before driver probe complete */
 		if (qcdev->state != QUICKI2C_ENABLED)
 			continue;
 
@@ -276,10 +287,9 @@ static int handle_input_report(struct quicki2c_device *qcdev)
 }
 
 /**
- * quicki2c_irq_thread_handler - IRQ thread handler of quicki2c driver
- *
+ * quicki2c_irq_thread_handler - IRQ thread handler of QuickI2C driver
  * @irq: The IRQ number
- * @dev_id: pointer to the quicki2c device structure
+ * @dev_id: Pointer to the quicki2c_device structure
  *
  * Return: IRQ_HANDLED to finish this handler.
  */
@@ -325,20 +335,21 @@ exit:
 }
 
 /**
- * quicki2c_dev_init - Initialize quicki2c device
- *
- * @pdev: pointer to the thc pci device
- * @mem_addr: The pointer of MMIO memory address
+ * quicki2c_dev_init - Initialize QuickI2C device
+ * @pdev: Pointer to the THC PCI device
+ * @mem_addr: The Pointer of MMIO memory address
+ * @ddata: Point to quicki2c_ddata structure
  *
- * Alloc quicki2c device structure and initialized THC device,
+ * 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.
+ * Return: Pointer to the quicki2c_device structure if success
+ * or NULL on failure.
  */
-static struct quicki2c_device *quicki2c_dev_init(struct pci_dev *pdev, void __iomem *mem_addr)
+static struct quicki2c_device *quicki2c_dev_init(struct pci_dev *pdev, void __iomem *mem_addr,
+						 const struct quicki2c_ddata *ddata)
 {
 	struct device *dev = &pdev->dev;
 	struct quicki2c_device *qcdev;
@@ -352,10 +363,11 @@ static struct quicki2c_device *quicki2c_dev_init(struct pci_dev *pdev, void __io
 	qcdev->dev = dev;
 	qcdev->mem_addr = mem_addr;
 	qcdev->state = QUICKI2C_DISABLED;
+	qcdev->ddata = ddata;
 
 	init_waitqueue_head(&qcdev->reset_ack_wq);
 
-	/* thc hw init */
+	/* THC hardware init */
 	qcdev->thc_hw = thc_dev_init(qcdev->dev, qcdev->mem_addr);
 	if (IS_ERR(qcdev->thc_hw)) {
 		ret = PTR_ERR(qcdev->thc_hw);
@@ -392,15 +404,16 @@ static struct quicki2c_device *quicki2c_dev_init(struct pci_dev *pdev, void __io
 
 	thc_interrupt_enable(qcdev->thc_hw, true);
 
+	thc_wot_config(qcdev->thc_hw, &quicki2c_gpios[0]);
+
 	qcdev->state = QUICKI2C_INITED;
 
 	return qcdev;
 }
 
 /**
- * quicki2c_dev_deinit - De-initialize quicki2c device
- *
- * @qcdev: pointer to the quicki2c device structure
+ * quicki2c_dev_deinit - De-initialize QuickI2C device
+ * @qcdev: Pointer to the quicki2c_device structure
  *
  * Disable THC interrupt and deinitilize THC.
  */
@@ -408,18 +421,63 @@ static void quicki2c_dev_deinit(struct quicki2c_device *qcdev)
 {
 	thc_interrupt_enable(qcdev->thc_hw, false);
 	thc_ltr_unconfig(qcdev->thc_hw);
+	thc_wot_unconfig(qcdev->thc_hw);
 
 	qcdev->state = QUICKI2C_DISABLED;
 }
 
 /**
- * quicki2c_dma_init - Configure THC DMA for quicki2c device
- * @qcdev: pointer to the quicki2c device structure
+ * quicki2c_dma_adv_enable - Configure and enable DMA advanced features
+ * @qcdev: Pointer to the quicki2c_device structure
+ *
+ * If platform supports THC DMA advanced features, such as max input size
+ * control or interrupt delay, configures and enables them.
+ */
+static void quicki2c_dma_adv_enable(struct quicki2c_device *qcdev)
+{
+	/*
+	 * If platform supports max input size control feature and touch device
+	 * max input length <= THC detect capability, enable the feature with device
+	 * max input length.
+	 */
+	if (qcdev->ddata->max_detect_size >=
+	    le16_to_cpu(qcdev->dev_desc.max_input_len)) {
+		thc_i2c_set_rx_max_size(qcdev->thc_hw,
+					le16_to_cpu(qcdev->dev_desc.max_input_len));
+		thc_i2c_rx_max_size_enable(qcdev->thc_hw, true);
+	}
+
+	/* If platform supports interrupt delay feature, enable it with given delay */
+	if (qcdev->ddata->interrupt_delay) {
+		thc_i2c_set_rx_int_delay(qcdev->thc_hw,
+					 qcdev->ddata->interrupt_delay);
+		thc_i2c_rx_int_delay_enable(qcdev->thc_hw, true);
+	}
+}
+
+/**
+ * quicki2c_dma_adv_disable - Disable DMA advanced features
+ * @qcdev: Pointer to the quicki2c device structure
+ *
+ * Disable all DMA advanced features if platform supports.
+ */
+static void quicki2c_dma_adv_disable(struct quicki2c_device *qcdev)
+{
+	if (qcdev->ddata->max_detect_size)
+		thc_i2c_rx_max_size_enable(qcdev->thc_hw, false);
+
+	if (qcdev->ddata->interrupt_delay)
+		thc_i2c_rx_int_delay_enable(qcdev->thc_hw, false);
+}
+
+/**
+ * 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.
+ * Return: 0 if success or error code on failure.
  */
 static int quicki2c_dma_init(struct quicki2c_device *qcdev)
 {
@@ -451,12 +509,15 @@ static int quicki2c_dma_init(struct quicki2c_device *qcdev)
 		return ret;
 	}
 
-	return ret;
+	if (qcdev->ddata)
+		quicki2c_dma_adv_enable(qcdev);
+
+	return 0;
 }
 
 /**
- * quicki2c_dma_deinit - Release THC DMA for quicki2c device
- * @qcdev: pointer to the quicki2c device structure
+ * 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.
  *
@@ -465,11 +526,14 @@ static void quicki2c_dma_deinit(struct quicki2c_device *qcdev)
 {
 	thc_dma_unconfigure(qcdev->thc_hw);
 	thc_dma_release(qcdev->thc_hw);
+
+	if (qcdev->ddata)
+		quicki2c_dma_adv_disable(qcdev);
 }
 
 /**
  * quicki2c_alloc_report_buf - Alloc report buffers
- * @qcdev: pointer to the quicki2c device structure
+ * @qcdev: Pointer to the quicki2c_device structure
  *
  * Allocate report descriptor buffer, it will be used for restore TIC HID
  * report descriptor.
@@ -480,7 +544,7 @@ static void quicki2c_dma_deinit(struct quicki2c_device *qcdev)
  * 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.
+ * Return: 0 if success or error code on failure.
  */
 static int quicki2c_alloc_report_buf(struct quicki2c_device *qcdev)
 {
@@ -518,28 +582,27 @@ static int quicki2c_alloc_report_buf(struct quicki2c_device *qcdev)
 }
 
 /*
- * quicki2c_probe: Quicki2c driver probe function
- *
- * @pdev: point to pci device
- * @id: point to pci_device_id structure
+ * 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.
+ * - 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 failure.
  */
-static int quicki2c_probe(struct pci_dev *pdev,
-			  const struct pci_device_id *id)
+static int quicki2c_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 {
+	const struct quicki2c_ddata *ddata = (const struct quicki2c_ddata *)id->driver_data;
 	struct quicki2c_device *qcdev;
 	void __iomem *mem_addr;
 	int ret;
@@ -577,7 +640,7 @@ static int quicki2c_probe(struct pci_dev *pdev,
 
 	pdev->irq = pci_irq_vector(pdev, 0);
 
-	qcdev = quicki2c_dev_init(pdev, mem_addr);
+	qcdev = quicki2c_dev_init(pdev, mem_addr, ddata);
 	if (IS_ERR(qcdev)) {
 		dev_err_once(&pdev->dev, "QuickI2C device init failed\n");
 		ret = PTR_ERR(qcdev);
@@ -668,11 +731,10 @@ disable_pci_device:
 
 /**
  * quicki2c_remove - Device Removal Routine
+ * @pdev: Point to PCI device structure
  *
- * @pdev: PCI device structure
- *
- * This is called by the PCI subsystem to alert the driver
- * that it should release a PCI device.
+ * 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)
 {
@@ -694,12 +756,10 @@ static void quicki2c_remove(struct pci_dev *pdev)
 
 /**
  * quicki2c_shutdown - Device Shutdown Routine
+ * @pdev: Point to PCI device structure
  *
- * @pdev: PCI device structure
- *
- * This is called from the reboot notifier
- * it's a simplified version of remove so we go down
- * faster.
+ * 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)
 {
@@ -930,13 +990,13 @@ static const struct dev_pm_ops quicki2c_pm_ops = {
 };
 
 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), },
-	{}
+	{ PCI_DEVICE_DATA(INTEL, THC_LNL_DEVICE_ID_I2C_PORT1, NULL) },
+	{ PCI_DEVICE_DATA(INTEL, THC_LNL_DEVICE_ID_I2C_PORT2, NULL) },
+	{ PCI_DEVICE_DATA(INTEL, THC_PTL_H_DEVICE_ID_I2C_PORT1, &ptl_ddata) },
+	{ PCI_DEVICE_DATA(INTEL, THC_PTL_H_DEVICE_ID_I2C_PORT2, &ptl_ddata) },
+	{ PCI_DEVICE_DATA(INTEL, THC_PTL_U_DEVICE_ID_I2C_PORT1, &ptl_ddata) },
+	{ PCI_DEVICE_DATA(INTEL, THC_PTL_U_DEVICE_ID_I2C_PORT2, &ptl_ddata) },
+	{ }
 };
 MODULE_DEVICE_TABLE(pci, quicki2c_pci_tbl);
 
diff --git a/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-dev.h b/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-dev.h
index 6ddb584bd611..93d6fa982d60 100644
--- a/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-dev.h
+++ b/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-dev.h
@@ -7,12 +7,12 @@
 #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
+#define PCI_DEVICE_ID_INTEL_THC_LNL_DEVICE_ID_I2C_PORT1		0xA848
+#define PCI_DEVICE_ID_INTEL_THC_LNL_DEVICE_ID_I2C_PORT2		0xA84A
+#define PCI_DEVICE_ID_INTEL_THC_PTL_H_DEVICE_ID_I2C_PORT1	0xE348
+#define PCI_DEVICE_ID_INTEL_THC_PTL_H_DEVICE_ID_I2C_PORT2	0xE34A
+#define PCI_DEVICE_ID_INTEL_THC_PTL_U_DEVICE_ID_I2C_PORT1	0xE448
+#define PCI_DEVICE_ID_INTEL_THC_PTL_U_DEVICE_ID_I2C_PORT2	0xE44A
 
 /* Packet size value, the unit is 16 bytes */
 #define MAX_PACKET_SIZE_VALUE_LNL			256
@@ -36,6 +36,12 @@
 #define QUICKI2C_DEFAULT_LP_LTR_VALUE		500
 #define QUICKI2C_RPM_TIMEOUT_MS			500
 
+/* PTL Max packet size detection capability is 255 Bytes */
+#define MAX_RX_DETECT_SIZE_PTL			255
+
+/* Default interrupt delay is 1ms, suitable for most devices */
+#define DEFAULT_INTERRUPT_DELAY_US		(1 * USEC_PER_MSEC)
+
 /*
  * THC uses runtime auto suspend to dynamically switch between THC active LTR
  * and low power LTR to save CPU power.
@@ -122,6 +128,16 @@ struct quicki2c_subip_acpi_config {
 	u64 HMSL;
 };
 
+/**
+ * struct quicki2c_ddata - Driver specific data for quicki2c device
+ * @max_detect_size: Identify max packet size detect for rx
+ * @interrupt_delay: Identify interrupt detect delay for rx
+ */
+struct quicki2c_ddata {
+	u32 max_detect_size;
+	u32 interrupt_delay;
+};
+
 struct device;
 struct pci_dev;
 struct thc_device;
@@ -130,15 +146,15 @@ 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
+ * @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
+ * @ddata: Point to QuickI2C platform specific driver data
  * @state: THC I2C device state
  * @mem_addr: MMIO memory address
- * @dev_desc: device descriptor for HIDI2C protocol
+ * @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
@@ -146,12 +162,12 @@ struct acpi_device;
  * @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
+ * @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;
@@ -159,6 +175,7 @@ struct quicki2c_device {
 	struct thc_device *thc_hw;
 	struct hid_device *hid_dev;
 	struct acpi_device *acpi_dev;
+	const struct quicki2c_ddata *ddata;
 	enum quicki2c_dev_state state;
 
 	void __iomem *mem_addr;
diff --git a/drivers/hid/intel-thc-hid/intel-quickspi/pci-quickspi.c b/drivers/hid/intel-thc-hid/intel-quickspi/pci-quickspi.c
index d4f89f44c3b4..5e5f179dd113 100644
--- a/drivers/hid/intel-thc-hid/intel-quickspi/pci-quickspi.c
+++ b/drivers/hid/intel-thc-hid/intel-quickspi/pci-quickspi.c
@@ -11,8 +11,11 @@
 #include <linux/pci.h>
 #include <linux/pm_runtime.h>
 
+#include <linux/gpio/consumer.h>
+
 #include "intel-thc-dev.h"
 #include "intel-thc-hw.h"
+#include "intel-thc-wot.h"
 
 #include "quickspi-dev.h"
 #include "quickspi-hid.h"
@@ -46,6 +49,15 @@ static guid_t thc_platform_guid =
 	GUID_INIT(0x84005682, 0x5b71, 0x41a4, 0x8d, 0x66, 0x81, 0x30,
 		  0xf7, 0x87, 0xa1, 0x38);
 
+
+/* QuickSPI Wake-on-Touch GPIO resource */
+static const struct acpi_gpio_params wake_gpio = { 0, 0, true };
+
+static const struct acpi_gpio_mapping quickspi_gpios[] = {
+	{ "wake-on-touch", &wake_gpio, 1 },
+	{ }
+};
+
 /**
  * thc_acpi_get_property - Query device ACPI parameter
  *
@@ -426,6 +438,8 @@ static struct quickspi_device *quickspi_dev_init(struct pci_dev *pdev, void __io
 
 	thc_interrupt_enable(qsdev->thc_hw, true);
 
+	thc_wot_config(qsdev->thc_hw, &quickspi_gpios[0]);
+
 	qsdev->state = QUICKSPI_INITIATED;
 
 	return qsdev;
@@ -442,6 +456,7 @@ static void quickspi_dev_deinit(struct quickspi_device *qsdev)
 {
 	thc_interrupt_enable(qsdev->thc_hw, false);
 	thc_ltr_unconfig(qsdev->thc_hw);
+	thc_wot_unconfig(qsdev->thc_hw);
 
 	qsdev->state = QUICKSPI_DISABLED;
 }
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
index c105df7f6c87..6f2263869b20 100644
--- a/drivers/hid/intel-thc-hid/intel-thc/intel-thc-dev.c
+++ b/drivers/hid/intel-thc-hid/intel-thc/intel-thc-dev.c
@@ -2,6 +2,7 @@
 /* Copyright (c) 2024 Intel Corporation */
 
 #include <linux/bitfield.h>
+#include <linux/math.h>
 #include <linux/regmap.h>
 
 #include "intel-thc-dev.h"
@@ -1571,6 +1572,145 @@ int thc_i2c_subip_regs_restore(struct thc_device *dev)
 }
 EXPORT_SYMBOL_NS_GPL(thc_i2c_subip_regs_restore, "INTEL_THC");
 
+/**
+ * thc_i2c_set_rx_max_size - Set I2C Rx transfer max input size
+ * @dev: The pointer of THC private device context
+ * @max_rx_size: Max input report packet size for input report
+ *
+ * Set @max_rx_size for I2C RxDMA max input size control feature.
+ *
+ * Return: 0 on success, other error codes on failure.
+ */
+int thc_i2c_set_rx_max_size(struct thc_device *dev, u32 max_rx_size)
+{
+	u32 val;
+	int ret;
+
+	if (!dev)
+		return -EINVAL;
+
+	if (!max_rx_size)
+		return -EOPNOTSUPP;
+
+	ret = regmap_read(dev->thc_regmap, THC_M_PRT_SW_SEQ_STS_OFFSET, &val);
+	if (ret)
+		return ret;
+
+	val |= FIELD_PREP(THC_M_PRT_SPI_ICRRD_OPCODE_I2C_MAX_SIZE, max_rx_size);
+
+	ret = regmap_write(dev->thc_regmap, THC_M_PRT_SPI_ICRRD_OPCODE_OFFSET, val);
+	if (ret)
+		return ret;
+
+	dev->i2c_max_rx_size = max_rx_size;
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(thc_i2c_set_rx_max_size, "INTEL_THC");
+
+/**
+ * thc_i2c_rx_max_size_enable - Enable I2C Rx max input size control
+ * @dev: The pointer of THC private device context
+ * @enable: Enable max input size control or not
+ *
+ * Enable or disable I2C RxDMA max input size control feature.
+ * Max input size control only can be enabled after max input size
+ * was set by thc_i2c_set_rx_max_size().
+ *
+ * Return: 0 on success, other error codes on failure.
+ */
+int thc_i2c_rx_max_size_enable(struct thc_device *dev, bool enable)
+{
+	u32 mask = THC_M_PRT_SPI_ICRRD_OPCODE_I2C_MAX_SIZE_EN;
+	u32 val = enable ? mask : 0;
+	int ret;
+
+	if (!dev)
+		return -EINVAL;
+
+	if (!dev->i2c_max_rx_size)
+		return -EOPNOTSUPP;
+
+	ret = regmap_write_bits(dev->thc_regmap, THC_M_PRT_SPI_ICRRD_OPCODE_OFFSET, mask, val);
+	if (ret)
+		return ret;
+
+	dev->i2c_max_rx_size_en = enable;
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(thc_i2c_rx_max_size_enable, "INTEL_THC");
+
+/**
+ * thc_i2c_set_rx_int_delay - Set I2C Rx input interrupt delay value
+ * @dev: The pointer of THC private device context
+ * @delay_us: Interrupt delay value, unit is us
+ *
+ * Set @delay_us for I2C RxDMA input interrupt delay feature.
+ *
+ * Return: 0 on success, other error codes on failure.
+ */
+int thc_i2c_set_rx_int_delay(struct thc_device *dev, u32 delay_us)
+{
+	u32 val;
+	int ret;
+
+	if (!dev)
+		return -EINVAL;
+
+	if (!delay_us)
+		return -EOPNOTSUPP;
+
+	ret = regmap_read(dev->thc_regmap, THC_M_PRT_SW_SEQ_STS_OFFSET, &val);
+	if (ret)
+		return ret;
+
+	/* THC hardware counts at 10us unit */
+	val |= FIELD_PREP(THC_M_PRT_SPI_ICRRD_OPCODE_I2C_INTERVAL, DIV_ROUND_UP(delay_us, 10));
+
+	ret = regmap_write(dev->thc_regmap, THC_M_PRT_SPI_ICRRD_OPCODE_OFFSET, val);
+	if (ret)
+		return ret;
+
+	dev->i2c_int_delay_us = delay_us;
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(thc_i2c_set_rx_int_delay, "INTEL_THC");
+
+/**
+ * thc_i2c_rx_int_delay_enable - Enable I2C Rx interrupt delay
+ * @dev: The pointer of THC private device context
+ * @enable: Enable interrupt delay or not
+ *
+ * Enable or disable I2C RxDMA input interrupt delay feature.
+ * Input interrupt delay can only be enabled after interrupt delay value
+ * was set by thc_i2c_set_rx_int_delay().
+ *
+ * Return: 0 on success, other error codes on failure.
+ */
+int thc_i2c_rx_int_delay_enable(struct thc_device *dev, bool enable)
+{
+	u32 mask = THC_M_PRT_SPI_ICRRD_OPCODE_I2C_INTERVAL_EN;
+	u32 val = enable ? mask : 0;
+	int ret;
+
+	if (!dev)
+		return -EINVAL;
+
+	if (!dev->i2c_int_delay_us)
+		return -EOPNOTSUPP;
+
+	ret = regmap_write_bits(dev->thc_regmap, THC_M_PRT_SPI_ICRRD_OPCODE_OFFSET, mask, val);
+	if (ret)
+		return ret;
+
+	dev->i2c_int_delay_en = enable;
+
+	return 0;
+}
+EXPORT_SYMBOL_NS_GPL(thc_i2c_rx_int_delay_enable, "INTEL_THC");
+
 MODULE_AUTHOR("Xinpeng Sun <xinpeng.sun@intel.com>");
 MODULE_AUTHOR("Even Xu <even.xu@intel.com>");
 
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
index 0517fee2c668..0db435335e24 100644
--- a/drivers/hid/intel-thc-hid/intel-thc/intel-thc-dev.h
+++ b/drivers/hid/intel-thc-hid/intel-thc/intel-thc-dev.h
@@ -9,6 +9,7 @@
 #include <linux/workqueue.h>
 
 #include "intel-thc-dma.h"
+#include "intel-thc-wot.h"
 
 #define THC_REGMAP_COMMON_OFFSET  0x10
 #define THC_REGMAP_MMIO_OFFSET    0x1000
@@ -52,16 +53,21 @@ enum thc_int_type {
  * 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
+ * @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
+ * @wot: THC Wake-on-Touch 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 sequence 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
+ * @i2c_max_rx_size: I2C Rx transfer max input size
+ * @i2c_int_delay_us: I2C input interrupt delay, unit is us
+ * @i2c_max_rx_size_en: Bool value that indicates I2C max input size control enabled or not
+ * @i2c_int_delay_en: Bool value that indicates I2C input interrupt delay enabled or not
  */
 struct thc_device {
 	struct device *dev;
@@ -73,6 +79,8 @@ struct thc_device {
 
 	struct thc_dma_context *dma_ctx;
 
+	struct thc_wot wot;
+
 	wait_queue_head_t write_complete_wait;
 	wait_queue_head_t swdma_complete_wait;
 	bool write_done;
@@ -81,6 +89,11 @@ struct thc_device {
 	u32 perf_limit;
 
 	u32 *i2c_subip_regs;
+
+	u32 i2c_max_rx_size;
+	u32 i2c_int_delay_us;
+	bool i2c_max_rx_size_en;
+	bool i2c_int_delay_en;
 };
 
 struct thc_device *thc_dev_init(struct device *device, void __iomem *mem_addr);
@@ -112,5 +125,9 @@ 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);
+int thc_i2c_set_rx_max_size(struct thc_device *dev, u32 max_rx_size);
+int thc_i2c_rx_max_size_enable(struct thc_device *dev, bool enable);
+int thc_i2c_set_rx_int_delay(struct thc_device *dev, u32 delay_us);
+int thc_i2c_rx_int_delay_enable(struct thc_device *dev, bool enable);
 
 #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
index 8f97e71df7f4..82b8854843e0 100644
--- a/drivers/hid/intel-thc-hid/intel-thc/intel-thc-dma.c
+++ b/drivers/hid/intel-thc-hid/intel-thc/intel-thc-dma.c
@@ -712,6 +712,28 @@ static int thc_swdma_read_start(struct thc_device *dev, void *write_buff,
 
 	thc_reset_dma_settings(dev);
 
+	/*
+	 * Max input size control feature is only available for RxDMA, it must keep disabled
+	 * during SWDMA operation, and restore to previous state after SWDMA is done.
+	 * Max input size variables in THC device context track hardware state, and keep change
+	 * when feature state was changed, so those variables cannot be used to record feature
+	 * state after state was changed during SWDMA operation. Here have to use a temp variable
+	 * in DMA context to record feature state before SWDMA operation.
+	 */
+	if (dev->i2c_max_rx_size_en) {
+		thc_i2c_rx_max_size_enable(dev, false);
+		dev->dma_ctx->rx_max_size_en = true;
+	}
+
+	/*
+	 * Interrupt delay feature is in the same situation with max input size control feature,
+	 * needs record feature state before SWDMA.
+	 */
+	if (dev->i2c_int_delay_en) {
+		thc_i2c_rx_int_delay_enable(dev, false);
+		dev->dma_ctx->rx_int_delay_en = true;
+	}
+
 	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) |
@@ -754,6 +776,24 @@ static int thc_swdma_read_completion(struct thc_device *dev)
 	if (ret)
 		return ret;
 
+	/*
+	 * Restore max input size control feature to previous state after SWDMA if it was
+	 * enabled before SWDMA, and reset temp rx_max_size_en variable for next time.
+	 */
+	if (dev->dma_ctx->rx_max_size_en) {
+		thc_i2c_rx_max_size_enable(dev, true);
+		dev->dma_ctx->rx_max_size_en = false;
+	}
+
+	/*
+	 * Restore input interrupt delay feature to previous state after SWDMA if it was
+	 * enabled before SWDMA, and reset temp rx_int_delay_en variable for next time.
+	 */
+	if (dev->dma_ctx->rx_int_delay_en) {
+		thc_i2c_rx_int_delay_enable(dev, true);
+		dev->dma_ctx->rx_int_delay_en = false;
+	}
+
 	thc_reset_dma_settings(dev);
 
 	dma_set_start_bit(dev, &dev-&g