1/* SPDX-License-Identifier: MIT */
2/*
3 * Copyright © 2019 Intel Corporation
4 */
5
6#ifndef __INTEL_TC_H__
7#define __INTEL_TC_H__
8
9#include <linux/types.h>
10
11struct intel_crtc_state;
12struct intel_digital_port;
13struct intel_encoder;
14
15bool intel_tc_port_in_tbt_alt_mode(struct intel_digital_port *dig_port);
16bool intel_tc_port_in_dp_alt_mode(struct intel_digital_port *dig_port);
17bool intel_tc_port_in_legacy_mode(struct intel_digital_port *dig_port);
18
19bool intel_tc_port_connected(struct intel_encoder *encoder);
20bool intel_tc_port_connected_locked(struct intel_encoder *encoder);
21
22u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port);
23u32 intel_tc_port_get_pin_assignment_mask(struct intel_digital_port *dig_port);
24int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port);
25void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port,
26				      int required_lanes);
27
28void intel_tc_port_init_mode(struct intel_digital_port *dig_port);
29void intel_tc_port_sanitize_mode(struct intel_digital_port *dig_port,
30				 const struct intel_crtc_state *crtc_state);
31void intel_tc_port_lock(struct intel_digital_port *dig_port);
32void intel_tc_port_unlock(struct intel_digital_port *dig_port);
33void intel_tc_port_suspend(struct intel_digital_port *dig_port);
34void intel_tc_port_get_link(struct intel_digital_port *dig_port,
35			    int required_lanes);
36void intel_tc_port_put_link(struct intel_digital_port *dig_port);
37bool intel_tc_port_ref_held(struct intel_digital_port *dig_port);
38bool intel_tc_port_link_needs_reset(struct intel_digital_port *dig_port);
39bool intel_tc_port_link_reset(struct intel_digital_port *dig_port);
40void intel_tc_port_link_cancel_reset_work(struct intel_digital_port *dig_port);
41
42int intel_tc_port_init(struct intel_digital_port *dig_port, bool is_legacy);
43void intel_tc_port_cleanup(struct intel_digital_port *dig_port);
44
45bool intel_tc_cold_requires_aux_pw(struct intel_digital_port *dig_port);
46
47#endif /* __INTEL_TC_H__ */
48