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/*
* Copyright 2015 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
*
*/
/* DC interface (public) */
#include "dm_services.h"
#include "dc.h"
/* DC core (private) */
#include "core_dc.h"
#include "transform.h"
/*******************************************************************************
* Private structures
******************************************************************************/
struct surface {
struct core_surface protected;
enum dc_irq_source irq_source;
int ref_count;
};
struct gamma {
struct core_gamma protected;
int ref_count;
};
struct transfer_func {
struct core_transfer_func protected;
int ref_count;
};
#define DC_SURFACE_TO_SURFACE(dc_surface) container_of(dc_surface, struct surface, protected.public)
#define CORE_SURFACE_TO_SURFACE(core_surface) container_of(core_surface, struct surface, protected)
#define DC_GAMMA_TO_GAMMA(dc_gamma) \
container_of(dc_gamma, struct gamma, protected.public)
#define DC_TRANSFER_FUNC_TO_TRANSFER_FUNC(dc_tf) \
container_of(dc_tf, struct transfer_func, protected.public)
#define CORE_GAMMA_TO_GAMMA(core_gamma) \
container_of(core_gamma, struct gamma, protected)
/*******************************************************************************
* Private functions
******************************************************************************/
static bool construct(struct dc_context *ctx, struct surface *surface)
{
surface->protected.ctx = ctx;
return true;
}
static void destruct(struct surface *surface)
{
if (surface->protected.public.gamma_correction != NULL)
dc_gamma_release(surface->protected.public.gamma_correction);
if (surface->protected.public.in_transfer_func != NULL)
dc_transfer_func_release(
surface->protected.public.in_transfer_func);
if (surface->protected.public.out_transfer_func != NULL)
dc_transfer_func_release(
surface->protected.public.out_transfer_func);
}
/*******************************************************************************
* Public functions
******************************************************************************/
void enable_surface_flip_reporting(struct dc_surface *dc_surface,
uint32_t controller_id)
{
struct surface *surface = DC_SURFACE_TO_SURFACE(dc_surface);
surface->irq_source = controller_id + DC_IRQ_SOURCE_PFLIP1 - 1;
/*register_flip_interrupt(surface);*/
}
struct dc_surface *dc_create_surface(const struct dc *dc)
{
struct core_dc *core_dc = DC_TO_CORE(dc);
struct surface *surface = dm_alloc(sizeof(*surface));
if (NULL == surface)
goto alloc_fail;
if (false == construct(core_dc->ctx, surface))
goto construct_fail;
dc_surface_retain(&surface->protected.public);
return &surface->protected.public;
construct_fail:
dm_free(surface);
alloc_fail:
return NULL;
}
const struct dc_surface_status *dc_surface_get_status(
const struct dc_surface *dc_surface)
{
struct dc_surface_status *surface_status;
struct core_surface *core_surface;
struct core_dc *core_dc;
int i;
if (dc_surface == NULL)
return NULL;
core_surface = DC_SURFACE_TO_CORE(dc_surface);
if (core_surface == NULL || core_surface->ctx == NULL)
return NULL;
surface_status = &core_surface->status;
if (core_surface->ctx == NULL || core_surface->ctx->dc == NULL)
return NULL;
core_dc = DC_TO_CORE(core_surface->ctx->dc);
if (core_dc->current_context == NULL)
return NULL;
for (i = 0; i < core_dc->current_context->res_ctx.pool->pipe_count;
i++) {
struct pipe_ctx *pipe_ctx =
&core_dc->current_context->res_ctx.pipe_ctx[i];
if (pipe_ctx->surface !=
DC_SURFACE_TO_CORE(dc_surface))
continue;
core_dc->hwss.update_pending_status(pipe_ctx);
}
return surface_status;
}
void dc_surface_retain(const struct dc_surface *dc_surface)
{
struct surface *surface = DC_SURFACE_TO_SURFACE(dc_surface);
++surface->ref_count;
}
void dc_surface_release(const struct dc_surface *dc_surface)
{
struct surface *surface = DC_SURFACE_TO_SURFACE(dc_surface);
--surface->ref_count;
if (surface->ref_count == 0) {
destruct(surface);
dm_free(surface);
}
}
void dc_gamma_retain(const struct dc_gamma *dc_gamma)
{
struct gamma *gamma = DC_GAMMA_TO_GAMMA(dc_gamma);
++gamma->ref_count;
}
void dc_gamma_release(const struct dc_gamma *dc_gamma)
{
struct gamma *gamma = DC_GAMMA_TO_GAMMA(dc_gamma);
--gamma->ref_count;
if (gamma->ref_count == 0)
dm_free(gamma);
}
struct dc_gamma *dc_create_gamma()
{
struct gamma *gamma = dm_alloc(sizeof(*gamma));
if (gamma == NULL)
goto alloc_fail;
dc_gamma_retain(&gamma->protected.public);
return &gamma->protected.public;
alloc_fail:
return NULL;
}
void dc_transfer_func_retain(const struct dc_transfer_func *dc_tf)
{
struct transfer_func *tf = DC_TRANSFER_FUNC_TO_TRANSFER_FUNC(dc_tf);
++tf->ref_count;
}
void dc_transfer_func_release(const struct dc_transfer_func *dc_tf)
{
struct transfer_func *tf = DC_TRANSFER_FUNC_TO_TRANSFER_FUNC(dc_tf);
--tf->ref_count;
if (tf->ref_count == 0)
dm_free(tf);
}
struct dc_transfer_func *dc_create_transfer_func(const struct dc *dc)
{
struct core_dc *core_dc = DC_TO_CORE(dc);
struct transfer_func *tf = dm_alloc(sizeof(*tf));
if (tf == NULL)
goto alloc_fail;
dc_transfer_func_retain(&tf->protected.public);
return &tf->protected.public;
alloc_fail:
return NULL;
}
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