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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: Ramalingam C <ramalingam.c@intel.com>
Acked-by: Jani Nikula <jani.nikula@intel.com>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Reviewed-by: Shashank Sharma <shashank.sharma@intel.com>
Signed-off-by: Uma Shankar <uma.shankar@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20190828164216.405-4-ramalingam.c@intel.com
alistair/sunxi64-5.5-dsi
Ramalingam C 2019-08-28 22:12:13 +05:30 committed by Uma Shankar
parent 5b6030da28
commit 807c71d59a
1 changed files with 24 additions and 0 deletions
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24
include/drm/i915_mei_hdcp_interface.h
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@ -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;