2 files changed, 53 insertions, 10 deletions

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 a2643ae790d6..8433a991e7f4 100644
--- a/drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c
+++ b/drivers/hid/intel-thc-hid/intel-quicki2c/pci-quicki2c.c
@@ -23,6 +23,7 @@
 
 static struct quicki2c_ddata ptl_ddata = {
 	.max_detect_size = MAX_RX_DETECT_SIZE_PTL,
+	.max_interrupt_delay = MAX_RX_INTERRUPT_DELAY,
 };
 
 /* THC QuickI2C ACPI method to get device properties */
@@ -200,6 +201,21 @@ static int quicki2c_get_acpi_resources(struct quicki2c_device *qcdev)
 		return -EOPNOTSUPP;
 	}
 
+	if (qcdev->ddata) {
+		qcdev->i2c_max_frame_size_enable = i2c_config.FSEN;
+		qcdev->i2c_int_delay_enable = i2c_config.INDE;
+
+		if (i2c_config.FSVL <= qcdev->ddata->max_detect_size)
+			qcdev->i2c_max_frame_size = i2c_config.FSVL;
+		else
+			qcdev->i2c_max_frame_size = qcdev->ddata->max_detect_size;
+
+		if (i2c_config.INDV <= qcdev->ddata->max_interrupt_delay)
+			qcdev->i2c_int_delay = i2c_config.INDV;
+		else
+			qcdev->i2c_int_delay = qcdev->ddata->max_interrupt_delay;
+	}
+
 	return 0;
 }
 
@@ -441,17 +457,24 @@ static void quicki2c_dma_adv_enable(struct quicki2c_device *qcdev)
 	 * 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));
+	if (qcdev->i2c_max_frame_size_enable) {
+		if (qcdev->i2c_max_frame_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));
+		} else {
+			dev_warn(qcdev->dev,
+				 "Max frame size is smaller than hid max input length!");
+			thc_i2c_set_rx_max_size(qcdev->thc_hw,
+						le16_to_cpu(qcdev->i2c_max_frame_size));
+		}
 		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) {
+	if (qcdev->i2c_int_delay_enable) {
 		thc_i2c_set_rx_int_delay(qcdev->thc_hw,
-					 qcdev->ddata->interrupt_delay);
+					 qcdev->i2c_int_delay * 10);
 		thc_i2c_rx_int_delay_enable(qcdev->thc_hw, true);
 	}
 }
@@ -464,10 +487,10 @@ static void quicki2c_dma_adv_enable(struct quicki2c_device *qcdev)
  */
 static void quicki2c_dma_adv_disable(struct quicki2c_device *qcdev)
 {
-	if (qcdev->ddata->max_detect_size)
+	if (qcdev->i2c_max_frame_size_enable)
 		thc_i2c_rx_max_size_enable(qcdev->thc_hw, false);
 
-	if (qcdev->ddata->interrupt_delay)
+	if (qcdev->i2c_int_delay_enable)
 		thc_i2c_rx_int_delay_enable(qcdev->thc_hw, false);
 }
 
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 4e60a7de4727..2cb5471a8133 100644
--- a/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-dev.h
+++ b/drivers/hid/intel-thc-hid/intel-quicki2c/quicki2c-dev.h
@@ -40,6 +40,8 @@
 
 /* PTL Max packet size detection capability is 255 Bytes */
 #define MAX_RX_DETECT_SIZE_PTL			255
+/* Max interrupt delay capability is 2.56ms */
+#define MAX_RX_INTERRUPT_DELAY			256
 
 /* Default interrupt delay is 1ms, suitable for most devices */
 #define DEFAULT_INTERRUPT_DELAY_US		(1 * USEC_PER_MSEC)
@@ -103,6 +105,10 @@ struct quicki2c_subip_acpi_parameter {
  * @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
+ * @FSEN: Maximum Frame Size Feature Enable Control
+ * @FSVL: Maximum Frame Size Value (unit in Bytes)
+ * @INDE: Interrupt Delay Feature Enable Control
+ * @INDV: Interrupt Delay Value (unit in 10 us)
  *
  * Those properties get from QUICKI2C_ACPI_METHOD_NAME_ISUB method, used for
  * I2C timing configure.
@@ -129,17 +135,22 @@ struct quicki2c_subip_acpi_config {
 	u64 HMTD;
 	u64 HMRD;
 	u64 HMSL;
+
+	u64 FSEN;
+	u64 FSVL;
+	u64 INDE;
+	u64 INDV;
 	u8 reserved;
 };
 
 /**
  * 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
+ * @interrupt_delay: Identify max interrupt detect delay for rx
  */
 struct quicki2c_ddata {
 	u32 max_detect_size;
-	u32 interrupt_delay;
+	u32 max_interrupt_delay;
 };
 
 struct device;
@@ -172,6 +183,10 @@ struct acpi_device;
  * @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
+ * @i2c_max_frame_size_enable: Indicate max frame size feature enabled or not
+ * @i2c_max_frame_size: Max RX frame size (unit in Bytes)
+ * @i2c_int_delay_enable: Indicate interrupt delay feature enabled or not
+ * @i2c_int_delay: Interrupt detection delay value (unit in 10 us)
  */
 struct quicki2c_device {
 	struct device *dev;
@@ -202,6 +217,11 @@ struct quicki2c_device {
 
 	wait_queue_head_t reset_ack_wq;
 	bool reset_ack;
+
+	u32 i2c_max_frame_size_enable;
+	u32 i2c_max_frame_size;
+	u32 i2c_int_delay_enable;
+	u32 i2c_int_delay;
 };
 
 #endif /* _QUICKI2C_DEV_H_ */