1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright © 2019 Intel Corporation
4  */
5 
6 #ifndef __INTEL_DP_MST_H__
7 #define __INTEL_DP_MST_H__
8 
9 #include <linux/types.h>
10 
11 struct intel_atomic_state;
12 struct intel_crtc;
13 struct intel_crtc_state;
14 struct intel_digital_port;
15 struct intel_dp;
16 struct intel_link_bw_limits;
17 
18 int intel_dp_mst_encoder_init(struct intel_digital_port *dig_port, int conn_id);
19 void intel_dp_mst_encoder_cleanup(struct intel_digital_port *dig_port);
20 int intel_dp_mst_encoder_active_links(struct intel_digital_port *dig_port);
21 bool intel_dp_mst_is_master_trans(const struct intel_crtc_state *crtc_state);
22 bool intel_dp_mst_is_slave_trans(const struct intel_crtc_state *crtc_state);
23 bool intel_dp_mst_source_support(struct intel_dp *intel_dp);
24 int intel_dp_mst_add_topology_state_for_crtc(struct intel_atomic_state *state,
25 					     struct intel_crtc *crtc);
26 int intel_dp_mst_atomic_check_link(struct intel_atomic_state *state,
27 				   struct intel_link_bw_limits *limits);
28 bool intel_dp_mst_crtc_needs_modeset(struct intel_atomic_state *state,
29 				     struct intel_crtc *crtc);
30 void intel_dp_mst_prepare_probe(struct intel_dp *intel_dp);
31 bool intel_dp_mst_verify_dpcd_state(struct intel_dp *intel_dp);
32 
33 #endif /* __INTEL_DP_MST_H__ */
34