Structure drm_hdcp is defined to represent the HDCP state of the connector. drm_connector will have a pointer to an instance of this structure.
This will be used to hold all specification related information along with state machine parameters.
Signed-off-by: Ramalingam C ramalingam.c@intel.com --- include/drm/drm_connector.h | 5 +++++ include/drm/drm_hdcp.h | 39 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 44 insertions(+)
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index ae5b7dc..45911db 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -27,6 +27,7 @@ #include <linux/ctype.h> #include <linux/hdmi.h> #include <drm/drm_mode_object.h> +#include <drm/drm_hdcp.h>
#include <uapi/drm/drm_mode.h>
@@ -867,6 +868,10 @@ struct drm_connector { */ struct drm_connector_state *state;
+ /* HDCP representation on the connector */ + struct drm_hdcp *hdcp; + uint64_t hdcp_state; + /* DisplayID bits */ bool has_tile; struct drm_tile_group *tile_group; diff --git a/include/drm/drm_hdcp.h b/include/drm/drm_hdcp.h index 7cebf0f..92fd933 100644 --- a/include/drm/drm_hdcp.h +++ b/include/drm/drm_hdcp.h @@ -27,6 +27,45 @@ #ifndef __DRM_HDCP_H__ #define __DRM_HDCP_H__
+struct drm_connector; + +/** + * HDCP Software stack specific + */ +/* Bit mask for HDCP spec ver support */ +#define HDCP_1_4_SUPPORT (1<<0) +#define HDCP_2_2_SUPPORT (1<<1) + +/** + * wired_protocol: Supported integrated wired HDCP protocol. + * Based on this value, Minor differenceneeded between wired specifications + * are handled. + */ +enum wired_protocol { + WIRED_PROTOCOL_INVALID, + WIRED_PROTOCOL_HDMI, + WIRED_PROTOCOL_DP +}; + +/** + * Struct drm_hdcp - central drm hdcp control structure + */ +struct drm_hdcp { + struct drm_connector *connector; + + /* HDCP Specifications support flag */ + uint32_t ver_support_on_plat; + uint32_t ver_support_on_panel; + + /* HDCP requested state and also the current state */ + uint64_t req_state; + + /* HDMI/DP Protocol */ + enum wired_protocol protocol; + + struct mutex mutex; +}; + /** * HDCP property related information */