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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_types.h"
#include "transform.h"
#include "dpp.h"
/*******************************************************************************
* Private functions
******************************************************************************/
static void construct(struct dc_context *ctx, struct dc_plane_state *plane_state)
{
plane_state->ctx = ctx;
}
static void destruct(struct dc_plane_state *plane_state)
{
if (plane_state->gamma_correction != NULL) {
dc_gamma_release(&plane_state->gamma_correction);
}
if (plane_state->in_transfer_func != NULL) {
dc_transfer_func_release(
plane_state->in_transfer_func);
plane_state->in_transfer_func = NULL;
}
}
/*******************************************************************************
* Public functions
******************************************************************************/
void enable_surface_flip_reporting(struct dc_plane_state *plane_state,
uint32_t controller_id)
{
plane_state->irq_source = controller_id + DC_IRQ_SOURCE_PFLIP1 - 1;
/*register_flip_interrupt(surface);*/
}
struct dc_plane_state *dc_create_plane_state(struct dc *dc)
{
struct dc *core_dc = dc;
struct dc_plane_state *plane_state = kzalloc(sizeof(*plane_state),
GFP_KERNEL);
if (NULL == plane_state)
return NULL;
kref_init(&plane_state->refcount);
construct(core_dc->ctx, plane_state);
return plane_state;
}
const struct dc_plane_status *dc_plane_get_status(
const struct dc_plane_state *plane_state)
{
const struct dc_plane_status *plane_status;
struct dc *core_dc;
int i;
if (!plane_state ||
!plane_state->ctx ||
!plane_state->ctx->dc) {
ASSERT(0);
return NULL; /* remove this if above assert never hit */
}
plane_status = &plane_state->status;
core_dc = plane_state->ctx->dc;
if (core_dc->current_state == NULL)
return NULL;
for (i = 0; i < core_dc->res_pool->pipe_count; i++) {
struct pipe_ctx *pipe_ctx =
&core_dc->current_state->res_ctx.pipe_ctx[i];
if (pipe_ctx->plane_state != plane_state)
continue;
core_dc->hwss.update_pending_status(pipe_ctx);
}
return plane_status;
}
void dc_plane_state_retain(struct dc_plane_state *plane_state)
{
kref_get(&plane_state->refcount);
}
static void dc_plane_state_free(struct kref *kref)
{
struct dc_plane_state *plane_state = container_of(kref, struct dc_plane_state, refcount);
destruct(plane_state);
kfree(plane_state);
}
void dc_plane_state_release(struct dc_plane_state *plane_state)
{
kref_put(&plane_state->refcount, dc_plane_state_free);
}
void dc_gamma_retain(struct dc_gamma *gamma)
{
kref_get(&gamma->refcount);
}
static void dc_gamma_free(struct kref *kref)
{
struct dc_gamma *gamma = container_of(kref, struct dc_gamma, refcount);
kfree(gamma);
}
void dc_gamma_release(struct dc_gamma **gamma)
{
kref_put(&(*gamma)->refcount, dc_gamma_free);
*gamma = NULL;
}
struct dc_gamma *dc_create_gamma(void)
{
struct dc_gamma *gamma = kzalloc(sizeof(*gamma), GFP_KERNEL);
if (gamma == NULL)
goto alloc_fail;
kref_init(&gamma->refcount);
return gamma;
alloc_fail:
return NULL;
}
void dc_transfer_func_retain(struct dc_transfer_func *tf)
{
kref_get(&tf->refcount);
}
static void dc_transfer_func_free(struct kref *kref)
{
struct dc_transfer_func *tf = container_of(kref, struct dc_transfer_func, refcount);
kfree(tf);
}
void dc_transfer_func_release(struct dc_transfer_func *tf)
{
kref_put(&tf->refcount, dc_transfer_func_free);
}
struct dc_transfer_func *dc_create_transfer_func(void)
{
struct dc_transfer_func *tf = kzalloc(sizeof(*tf), GFP_KERNEL);
if (tf == NULL)
goto alloc_fail;
kref_init(&tf->refcount);
return tf;
alloc_fail:
return NULL;
}
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