drivers/gpu/drm/i915/display/intel_tc.h

   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 struct intel_digital_port;
  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 u32 intel_tc_port_get_pin_assignment_mask(struct intel_digital_port *dig_port);
  17 int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port);
  18 void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port,
  19                                       int required_lanes);
  20
  21 void intel_tc_port_sanitize(struct intel_digital_port *dig_port);
  22 void intel_tc_port_lock(struct intel_digital_port *dig_port);
  23 void intel_tc_port_unlock(struct intel_digital_port *dig_port);
  24 void intel_tc_port_get_link(struct intel_digital_port *dig_port,
  25                             int required_lanes);
  26 void intel_tc_port_put_link(struct intel_digital_port *dig_port);
  27 bool intel_tc_port_ref_held(struct intel_digital_port *dig_port);
  28
  29 void intel_tc_port_init(struct intel_digital_port *dig_port, bool is_legacy);
  30
  31 #endif /* __INTEL_TC_H__ */