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2068afe649
This allows DM to do any necessary updates before MST discovery starts. Signed-off-by: Nikola Cornij <nikola.cornij@amd.com> Reviewed-by: Nikola Cornij <Nikola.Cornij@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
126 lines
3.4 KiB
C
126 lines
3.4 KiB
C
/*
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* Copyright 2012-15 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: AMD
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*
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*/
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/**
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* This file defines helper functions provided by the Display Manager to
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* Display Core.
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*/
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#ifndef __DM_HELPERS__
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#define __DM_HELPERS__
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#include "dc_types.h"
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#include "dc.h"
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struct dp_mst_stream_allocation_table;
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enum dc_edid_status dm_helpers_parse_edid_caps(
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struct dc_context *ctx,
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const struct dc_edid *edid,
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struct dc_edid_caps *edid_caps);
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/*
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* Update DP branch info
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*/
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void dm_helpers_dp_update_branch_info(
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struct dc_context *ctx,
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const struct dc_link *link);
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/*
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* Writes payload allocation table in immediate downstream device.
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*/
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bool dm_helpers_dp_mst_write_payload_allocation_table(
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struct dc_context *ctx,
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const struct dc_stream_state *stream,
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struct dp_mst_stream_allocation_table *proposed_table,
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bool enable);
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/*
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* Clear payload allocation table before enable MST DP link.
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*/
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void dm_helpers_dp_mst_clear_payload_allocation_table(
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struct dc_context *ctx,
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const struct dc_link *link);
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/*
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* Polls for ACT (allocation change trigger) handled and
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*/
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bool dm_helpers_dp_mst_poll_for_allocation_change_trigger(
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struct dc_context *ctx,
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const struct dc_stream_state *stream);
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/*
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* Sends ALLOCATE_PAYLOAD message.
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*/
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bool dm_helpers_dp_mst_send_payload_allocation(
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struct dc_context *ctx,
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const struct dc_stream_state *stream,
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bool enable);
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bool dm_helpers_dp_mst_start_top_mgr(
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struct dc_context *ctx,
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const struct dc_link *link,
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bool boot);
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void dm_helpers_dp_mst_stop_top_mgr(
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struct dc_context *ctx,
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const struct dc_link *link);
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/**
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* OS specific aux read callback.
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*/
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bool dm_helpers_dp_read_dpcd(
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struct dc_context *ctx,
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const struct dc_link *link,
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uint32_t address,
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uint8_t *data,
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uint32_t size);
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/**
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* OS specific aux write callback.
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*/
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bool dm_helpers_dp_write_dpcd(
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struct dc_context *ctx,
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const struct dc_link *link,
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uint32_t address,
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const uint8_t *data,
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uint32_t size);
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bool dm_helpers_submit_i2c(
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struct dc_context *ctx,
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const struct dc_link *link,
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struct i2c_command *cmd);
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bool dm_helpers_is_dp_sink_present(
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struct dc_link *link);
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enum dc_edid_status dm_helpers_read_local_edid(
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struct dc_context *ctx,
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struct dc_link *link,
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struct dc_sink *sink);
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void dm_set_dcn_clocks(
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struct dc_context *ctx,
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struct dc_clocks *clks);
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#endif /* __DM_HELPERS__ */
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