8c80332d67
On ADL-P TC cold is exited and blocked when legacy aux is powered, that is exacly the same of what ICL need for static TC ports. TODO: When a TBT hub or monitor is connected it will cause TBT and legacy aux to be powered at the same time, hopefully this will not cause any issues but if it do, some rework will be needed. v2: - skip icl_tc_port_assert_ref_held() warn on, adl-p uses aux to block TC cold v3: - Drop icl_tc_port_assert_ref_held() earlier return for adl_p, not needed anymore - Set timeout_expected when enabling aux power well as port could be disconnected when tc_cold_block() is called BSpec: 55480 Cc: Imre Deak <imre.deak@intel.com> Signed-off-by: José Roberto de Souza <jose.souza@intel.com> Signed-off-by: Clinton Taylor <Clinton.A.Taylor@intel.com> Signed-off-by: Matt Roper <matthew.d.roper@intel.com> Reviewed-by: Clint Taylor <Clinton.A.Taylor@intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20210524214805.259692-2-jose.souza@intel.com
35 lines
1.2 KiB
C
35 lines
1.2 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2019 Intel Corporation
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*/
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#ifndef __INTEL_TC_H__
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#define __INTEL_TC_H__
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#include <linux/mutex.h>
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#include <linux/types.h>
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struct intel_digital_port;
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struct intel_encoder;
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bool intel_tc_port_connected(struct intel_encoder *encoder);
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u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port);
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u32 intel_tc_port_get_pin_assignment_mask(struct intel_digital_port *dig_port);
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int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port);
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void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port,
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int required_lanes);
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void intel_tc_port_sanitize(struct intel_digital_port *dig_port);
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void intel_tc_port_lock(struct intel_digital_port *dig_port);
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void intel_tc_port_unlock(struct intel_digital_port *dig_port);
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void intel_tc_port_get_link(struct intel_digital_port *dig_port,
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int required_lanes);
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void intel_tc_port_put_link(struct intel_digital_port *dig_port);
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bool intel_tc_port_ref_held(struct intel_digital_port *dig_port);
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void intel_tc_port_init(struct intel_digital_port *dig_port, bool is_legacy);
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bool intel_tc_cold_requires_aux_pw(struct intel_digital_port *dig_port);
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#endif /* __INTEL_TC_H__ */
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