Commit 807c71d5 authored by Ramalingam C's avatar Ramalingam C Committed by Uma Shankar
Browse files

drm: Extend I915 mei interface for transcoder info 



I915 needs to send the index of the transcoder as per ME FW.

To support this, define enum mei_fw_tc and add as a member into
the struct hdcp_port_data.

v2:
  Typo in commit msg is fixed [Shashank]
v3:
  kdoc is added for mei_fw_tc [Tomas]
  s/MEI_TC_x/MEI_TRANSCODER_x

Signed-off-by: default avatarRamalingam C <ramalingam.c@intel.com>
Acked-by: default avatarJani Nikula <jani.nikula@intel.com>
Acked-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Reviewed-by: default avatarShashank Sharma <shashank.sharma@intel.com>
Signed-off-by: default avatarUma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190828164216.405-4-ramalingam.c@intel.com
parent 5b6030da

include/drm/i915_mei_hdcp_interface.h

+24 −0
Original line number Diff line number Diff line
@@ -54,9 +54,32 @@ enum mei_fw_ddi { 
	MEI_DDI_RANGE_END = MEI_DDI_A,

};



/**

 * enum mei_fw_tc - ME Firmware defined index for transcoders

 * @MEI_INVALID_TRANSCODER: Index for Invalid transcoder

 * @MEI_TRANSCODER_EDP: Index for EDP Transcoder

 * @MEI_TRANSCODER_DSI0: Index for DSI0 Transcoder

 * @MEI_TRANSCODER_DSI1: Index for DSI1 Transcoder

 * @MEI_TRANSCODER_A: Index for Transcoder A

 * @MEI_TRANSCODER_B: Index for Transcoder B

 * @MEI_TRANSCODER_C: Index for Transcoder C

 * @MEI_TRANSCODER_D: Index for Transcoder D

 */

enum mei_fw_tc {

	MEI_INVALID_TRANSCODER = 0x00,

	MEI_TRANSCODER_EDP,

	MEI_TRANSCODER_DSI0,

	MEI_TRANSCODER_DSI1,

	MEI_TRANSCODER_A = 0x10,

	MEI_TRANSCODER_B,

	MEI_TRANSCODER_C,

	MEI_TRANSCODER_D

};



/**

 * 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 +92,7 @@ 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;

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