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/mutex.h> 10 #include <linux/types.h> 11 12 #include "intel_drv.h" 13 14 bool intel_tc_port_connected(struct intel_digital_port *dig_port); 15 u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port); 16 int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port); 17 void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port, 18 int required_lanes); 19 20 void intel_tc_port_sanitize(struct intel_digital_port *dig_port); 21 void intel_tc_port_lock(struct intel_digital_port *dig_port); 22 void intel_tc_port_unlock(struct intel_digital_port *dig_port); 23 void intel_tc_port_get_link(struct intel_digital_port *dig_port, 24 int required_lanes); 25 void intel_tc_port_put_link(struct intel_digital_port *dig_port); 26 27 static inline int intel_tc_port_ref_held(struct intel_digital_port *dig_port) 28 { 29 return mutex_is_locked(&dig_port->tc_lock) || 30 dig_port->tc_link_refcount; 31 } 32 33 void intel_tc_port_init(struct intel_digital_port *dig_port, bool is_legacy); 34 35 #endif /* __INTEL_TC_H__ */ 36