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/*
* Copyright 2023 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
/* FILE POLICY AND INTENDED USAGE:
* This file provides single entrance to link functionality declared in dc
* public headers. The file is intended to be used as a thin translation layer
* that directly calls link internal functions without adding new functional
* behavior.
*
* When exporting a new link related dc function, add function declaration in
* dc.h with detail interface documentation, then add function implementation
* in this file which calls link functions.
*/
#include "link.h"
#include "dce/dce_i2c.h"
struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_index)
{
return dc->links[link_index];
}
void dc_get_edp_links(const struct dc *dc,
struct dc_link **edp_links,
int *edp_num)
{
int i;
*edp_num = 0;
for (i = 0; i < dc->link_count; i++) {
// report any eDP links, even unconnected DDI's
if (!dc->links[i])
continue;
if (dc->links[i]->connector_signal == SIGNAL_TYPE_EDP) {
edp_links[*edp_num] = dc->links[i];
if (++(*edp_num) == MAX_NUM_EDP)
return;
}
}
}
bool dc_get_edp_link_panel_inst(const struct dc *dc,
const struct dc_link *link,
unsigned int *inst_out)
{
struct dc_link *edp_links[MAX_NUM_EDP];
int edp_num, i;
*inst_out = 0;
if (link->connector_signal != SIGNAL_TYPE_EDP)
return false;
dc_get_edp_links(dc, edp_links, &edp_num);
for (i = 0; i < edp_num; i++) {
if (link == edp_links[i])
break;
(*inst_out)++;
}
return true;
}
bool dc_link_detect(struct dc_link *link, enum dc_detect_reason reason)
{
return link_detect(link, reason);
}
bool dc_link_detect_connection_type(struct dc_link *link,
enum dc_connection_type *type)
{
return link_detect_connection_type(link, type);
}
const struct dc_link_status *dc_link_get_status(const struct dc_link *link)
{
return link_get_status(link);
}
/* return true if the connected receiver supports the hdcp version */
bool dc_link_is_hdcp14(struct dc_link *link, enum signal_type signal)
{
return link_is_hdcp14(link, signal);
}
bool dc_link_is_hdcp22(struct dc_link *link, enum signal_type signal)
{
return link_is_hdcp22(link, signal);
}
void dc_link_clear_dprx_states(struct dc_link *link)
{
link_clear_dprx_states(link);
}
bool dc_link_reset_cur_dp_mst_topology(struct dc_link *link)
{
return link_reset_cur_dp_mst_topology(link);
}
uint32_t dc_link_bandwidth_kbps(
const struct dc_link *link,
const struct dc_link_settings *link_settings)
{
return dp_link_bandwidth_kbps(link, link_settings);
}
uint32_t dc_bandwidth_in_kbps_from_timing(
const struct dc_crtc_timing *timing)
{
return link_timing_bandwidth_kbps(timing);
}
void dc_get_cur_link_res_map(const struct dc *dc, uint32_t *map)
{
link_get_cur_res_map(dc, map);
}
void dc_restore_link_res_map(const struct dc *dc, uint32_t *map)
{
link_restore_res_map(dc, map);
}
bool dc_link_update_dsc_config(struct pipe_ctx *pipe_ctx)
{
return link_update_dsc_config(pipe_ctx);
}
bool dc_is_oem_i2c_device_present(
struct dc *dc,
size_t slave_address)
{
if (dc->res_pool->oem_device)
return dce_i2c_oem_device_present(
dc->res_pool,
dc->res_pool->oem_device,
slave_address);
return false;
}
bool dc_submit_i2c(
struct dc *dc,
uint32_t link_index,
struct i2c_command *cmd)
{
struct dc_link *link = dc->links[link_index];
struct ddc_service *ddc = link->ddc;
return dce_i2c_submit_command(
dc->res_pool,
ddc->ddc_pin,
cmd);
}
bool dc_submit_i2c_oem(
struct dc *dc,
struct i2c_command *cmd)
{
struct ddc_service *ddc = dc->res_pool->oem_device;
if (ddc)
return dce_i2c_submit_command(
dc->res_pool,
ddc->ddc_pin,
cmd);
return false;
}
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