[PATCH v9 3/6] drm: Extend I915 mei interface for transcoder info

[Ramalingam C <ramalingam.c@intel.com>]

I915 needs to send the index of the transcoder as per ME FW.
To support this, define enum mei_fw_ddi and add as a member into
the struct hdcp_port_data.

Signed-off-by: Ramalingam C <ramalingam.c@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
---
 include/drm/i915_mei_hdcp_interface.h | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/include/drm/i915_mei_hdcp_interface.h b/include/drm/i915_mei_hdcp_interface.h
index a97acf1c9710..0de629bf2f62 100644
--- a/include/drm/i915_mei_hdcp_interface.h
+++ b/include/drm/i915_mei_hdcp_interface.h
@@ -54,9 +54,21 @@ enum mei_fw_ddi {
 	MEI_DDI_RANGE_END = MEI_DDI_A,
 };
 
+enum mei_fw_tc {
+	MEI_INVALID_TRANSCODER = 0x00,	/* Invalid transcoder type */
+	MEI_TC_EDP,			/* Transcoder for eDP */
+	MEI_TC_DSI0,			/* Transcoder for DSI0 */
+	MEI_TC_DSI1,			/* Transcoder for DSI1 */
+	MEI_TC_A = 0x10,		/* Transcoder TCA */
+	MEI_TC_B,			/* Transcoder TCB */
+	MEI_TC_C,			/* Transcoder TCC */
+	MEI_TC_D			/* Transcoder TCD */
+};
+
 /**
  * struct hdcp_port_data - intel specific HDCP port data
  * @fw_ddi: ddi index as per ME FW
+ * @fw_tc: transcoder index as per ME FW
  * @port_type: HDCP port type as per ME FW classification
  * @protocol: HDCP adaptation as per ME FW
  * @k: No of streams transmitted on a port. Only on DP MST this is != 1
@@ -69,6 +81,7 @@ enum mei_fw_ddi {
  */
 struct hdcp_port_data {
 	enum mei_fw_ddi fw_ddi;
+	enum mei_fw_tc fw_tc;
 	u8 port_type;
 	u8 protocol;
 	u16 k;
-- 
2.20.1

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