xref: /openbsd-src/sys/dev/pci/drm/i915/display/intel_tc.h (revision f005ef32267c16bdb134f0e9fa4477dbe07c263a)
1c349dbc7Sjsg /* SPDX-License-Identifier: MIT */
2c349dbc7Sjsg /*
3c349dbc7Sjsg  * Copyright © 2019 Intel Corporation
4c349dbc7Sjsg  */
5c349dbc7Sjsg 
6c349dbc7Sjsg #ifndef __INTEL_TC_H__
7c349dbc7Sjsg #define __INTEL_TC_H__
8c349dbc7Sjsg 
9c349dbc7Sjsg #include <linux/types.h>
10c349dbc7Sjsg 
11*f005ef32Sjsg struct intel_crtc_state;
12c349dbc7Sjsg struct intel_digital_port;
13ad8b1aafSjsg struct intel_encoder;
14c349dbc7Sjsg 
151bb76ff1Sjsg bool intel_tc_port_in_tbt_alt_mode(struct intel_digital_port *dig_port);
161bb76ff1Sjsg bool intel_tc_port_in_dp_alt_mode(struct intel_digital_port *dig_port);
171bb76ff1Sjsg bool intel_tc_port_in_legacy_mode(struct intel_digital_port *dig_port);
181bb76ff1Sjsg 
19ad8b1aafSjsg bool intel_tc_port_connected(struct intel_encoder *encoder);
20*f005ef32Sjsg bool intel_tc_port_connected_locked(struct intel_encoder *encoder);
215ca02815Sjsg 
22c349dbc7Sjsg u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port);
23c349dbc7Sjsg u32 intel_tc_port_get_pin_assignment_mask(struct intel_digital_port *dig_port);
24c349dbc7Sjsg int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port);
25c349dbc7Sjsg void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port,
26c349dbc7Sjsg 				      int required_lanes);
27c349dbc7Sjsg 
287737bef2Sjsg void intel_tc_port_init_mode(struct intel_digital_port *dig_port);
29*f005ef32Sjsg void intel_tc_port_sanitize_mode(struct intel_digital_port *dig_port,
30*f005ef32Sjsg 				 const struct intel_crtc_state *crtc_state);
31c349dbc7Sjsg void intel_tc_port_lock(struct intel_digital_port *dig_port);
32c349dbc7Sjsg void intel_tc_port_unlock(struct intel_digital_port *dig_port);
33*f005ef32Sjsg void intel_tc_port_suspend(struct intel_digital_port *dig_port);
34c349dbc7Sjsg void intel_tc_port_get_link(struct intel_digital_port *dig_port,
35c349dbc7Sjsg 			    int required_lanes);
36c349dbc7Sjsg void intel_tc_port_put_link(struct intel_digital_port *dig_port);
37c349dbc7Sjsg bool intel_tc_port_ref_held(struct intel_digital_port *dig_port);
38*f005ef32Sjsg bool intel_tc_port_link_needs_reset(struct intel_digital_port *dig_port);
39*f005ef32Sjsg bool intel_tc_port_link_reset(struct intel_digital_port *dig_port);
40*f005ef32Sjsg void intel_tc_port_link_cancel_reset_work(struct intel_digital_port *dig_port);
41c349dbc7Sjsg 
42*f005ef32Sjsg int intel_tc_port_init(struct intel_digital_port *dig_port, bool is_legacy);
43*f005ef32Sjsg void intel_tc_port_cleanup(struct intel_digital_port *dig_port);
44c349dbc7Sjsg 
455ca02815Sjsg bool intel_tc_cold_requires_aux_pw(struct intel_digital_port *dig_port);
465ca02815Sjsg 
47c349dbc7Sjsg #endif /* __INTEL_TC_H__ */
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