i915/display/intel_tc.h

0001 /* SPDX-License-Identifier: MIT */
0002 /*
0003  * Copyright © 2019 Intel Corporation
0004  */
0005
0006 #ifndef __INTEL_TC_H__
0007 #define __INTEL_TC_H__
0008
0009 #include <linux/mutex.h>
0010 #include <linux/types.h>
0011
0012 struct intel_digital_port;
0013 struct intel_encoder;
0014
0015 bool intel_tc_port_in_tbt_alt_mode(struct intel_digital_port *dig_port);
0016 bool intel_tc_port_in_dp_alt_mode(struct intel_digital_port *dig_port);
0017 bool intel_tc_port_in_legacy_mode(struct intel_digital_port *dig_port);
0018
0019 bool intel_tc_port_connected(struct intel_encoder *encoder);
0020
0021 u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port);
0022 u32 intel_tc_port_get_pin_assignment_mask(struct intel_digital_port *dig_port);
0023 int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port);
0024 void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port,
0025                       int required_lanes);
0026
0027 void intel_tc_port_sanitize(struct intel_digital_port *dig_port);
0028 void intel_tc_port_lock(struct intel_digital_port *dig_port);
0029 void intel_tc_port_unlock(struct intel_digital_port *dig_port);
0030 void intel_tc_port_flush_work(struct intel_digital_port *dig_port);
0031 void intel_tc_port_get_link(struct intel_digital_port *dig_port,
0032                 int required_lanes);
0033 void intel_tc_port_put_link(struct intel_digital_port *dig_port);
0034 bool intel_tc_port_ref_held(struct intel_digital_port *dig_port);
0035
0036 void intel_tc_port_init(struct intel_digital_port *dig_port, bool is_legacy);
0037
0038 bool intel_tc_cold_requires_aux_pw(struct intel_digital_port *dig_port);
0039
0040 #endif /* __INTEL_TC_H__ */