i915/display/intel_hdcp_shim.h

1 /* SPDX-License-Identifier: MIT */
24  * and the bus-specific code. What that means is that HDCP over HDMI differs
29  *	- DP AUX vs. DDC
31  *		they are set via DDC for HDMI.
32  *	- Receiver register offsets
33  *		The offsets of the registers are different for DP vs. HDMI
34  *	- Receiver register masks/offsets
36  *		place on DP vs HDMI
37  *	- Receiver register names
38  *		Seriously. In the DP spec, the 16-bit register containing
39  *		downstream information is called BINFO, on HDMI it's called
42  *	- KSV FIFO
43  *		On HDMI, the ksv fifo is read all at once, whereas on DP it must
45  *	- Aksv output
57 	 * Reads BINFO from DP receivers and BSTATUS from HDMI receivers. The
59 	 * different. Call it BSTATUS since that's the name the HDMI spec
80 	/* Reads a 32-bit part of V' from the receiver */
90 	int (*stream_encryption)(struct intel_connector *connector,
95 			   struct intel_connector *connector);
97 	/* Detects panel's hdcp capability. This is optional for HDMI. */
101 	/* HDCP adaptation(DP/HDMI) required on the port */
105 	int (*hdcp_2_2_get_capability)(struct intel_connector *connector,
109 	int (*write_2_2_msg)(struct intel_connector *connector,
113 	int (*read_2_2_msg)(struct intel_connector *connector,
119 	 * the HDCP2.2 Cipher for En/De-Cryption. Not applicable for HDMI.
121 	int (*config_stream_type)(struct intel_connector *connector,
125 	int (*stream_2_2_encryption)(struct intel_connector *connector,
130 			      struct intel_connector *connector);
133 	int (*get_remote_hdcp_capability)(struct intel_connector *connector,