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[linux.git] / 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__ */
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