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/*
* Copyright 2012-15 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
*
*/
#include "dm_services.h"
#include "dm_helpers.h"
#include "core_types.h"
/*******************************************************************************
* Private definitions
******************************************************************************/
struct sink {
struct core_sink protected;
int ref_count;
};
#define DC_SINK_TO_SINK(dc_sink) \
container_of(dc_sink, struct sink, protected.public)
/*******************************************************************************
* Private functions
******************************************************************************/
static void destruct(struct sink *sink)
{
}
static bool construct(struct sink *sink, const struct dc_sink_init_data *init_params)
{
struct core_link *core_link = DC_LINK_TO_LINK(init_params->link);
sink->protected.public.sink_signal = init_params->sink_signal;
sink->protected.link = core_link;
sink->protected.ctx = core_link->ctx;
sink->protected.dongle_max_pix_clk = init_params->dongle_max_pix_clk;
sink->protected.converter_disable_audio =
init_params->converter_disable_audio;
return true;
}
/*******************************************************************************
* Public functions
******************************************************************************/
void dc_sink_retain(const struct dc_sink *dc_sink)
{
struct sink *sink = DC_SINK_TO_SINK(dc_sink);
++sink->ref_count;
}
void dc_sink_release(const struct dc_sink *dc_sink)
{
struct sink *sink = DC_SINK_TO_SINK(dc_sink);
--sink->ref_count;
if (sink->ref_count == 0) {
destruct(sink);
dm_free(sink);
}
}
struct dc_sink *dc_sink_create(const struct dc_sink_init_data *init_params)
{
struct sink *sink = dm_alloc(sizeof(*sink));
if (NULL == sink)
goto alloc_fail;
if (false == construct(sink, init_params))
goto construct_fail;
/* TODO should we move this outside to where the assignment actually happens? */
dc_sink_retain(&sink->protected.public);
return &sink->protected.public;
construct_fail:
dm_free(sink);
alloc_fail:
return NULL;
}
/*******************************************************************************
* Protected functions - visible only inside of DC (not visible in DM)
******************************************************************************/
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