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 11 struct intel_crtc_state; 12 struct intel_digital_port; 13 struct intel_encoder; 14 15 bool intel_tc_port_in_tbt_alt_mode(struct intel_digital_port *dig_port); 16 bool intel_tc_port_in_dp_alt_mode(struct intel_digital_port *dig_port); 17 bool intel_tc_port_in_legacy_mode(struct intel_digital_port *dig_port); 18 19 bool intel_tc_port_connected(struct intel_encoder *encoder); 20 bool intel_tc_port_connected_locked(struct intel_encoder *encoder); 21 22 u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port); 23 u32 intel_tc_port_get_pin_assignment_mask(struct intel_digital_port *dig_port); 24 int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port); 25 void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port, 26 int required_lanes); 27 28 void intel_tc_port_init_mode(struct intel_digital_port *dig_port); 29 void intel_tc_port_sanitize_mode(struct intel_digital_port *dig_port, 30 const struct intel_crtc_state *crtc_state); 31 void intel_tc_port_lock(struct intel_digital_port *dig_port); 32 void intel_tc_port_unlock(struct intel_digital_port *dig_port); 33 void intel_tc_port_suspend(struct intel_digital_port *dig_port); 34 void intel_tc_port_get_link(struct intel_digital_port *dig_port, 35 int required_lanes); 36 void intel_tc_port_put_link(struct intel_digital_port *dig_port); 37 bool intel_tc_port_ref_held(struct intel_digital_port *dig_port); 38 bool intel_tc_port_link_needs_reset(struct intel_digital_port *dig_port); 39 bool intel_tc_port_link_reset(struct intel_digital_port *dig_port); 40 void intel_tc_port_link_cancel_reset_work(struct intel_digital_port *dig_port); 41 42 int intel_tc_port_init(struct intel_digital_port *dig_port, bool is_legacy); 43 void intel_tc_port_cleanup(struct intel_digital_port *dig_port); 44 45 bool intel_tc_cold_requires_aux_pw(struct intel_digital_port *dig_port); 46 47 #endif /* __INTEL_TC_H__ */ 48