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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
*
*/
#ifndef __DC_MPCC_H__
#define __DC_MPCC_H__
#include "dc_hw_types.h"
#include "hw_shared.h"
#define MAX_MPCC 6
#define MAX_OPP 6
enum mpc_output_csc_mode {
MPC_OUTPUT_CSC_DISABLE = 0,
MPC_OUTPUT_CSC_COEF_A,
MPC_OUTPUT_CSC_COEF_B
};
enum mpcc_blend_mode {
MPCC_BLEND_MODE_BYPASS,
MPCC_BLEND_MODE_TOP_LAYER_PASSTHROUGH,
MPCC_BLEND_MODE_TOP_LAYER_ONLY,
MPCC_BLEND_MODE_TOP_BOT_BLENDING
};
enum mpcc_alpha_blend_mode {
MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA,
MPCC_ALPHA_BLEND_MODE_PER_PIXEL_ALPHA_COMBINED_GLOBAL_GAIN,
MPCC_ALPHA_BLEND_MODE_GLOBAL_ALPHA
};
/*
* MPCC blending configuration
*/
struct mpcc_blnd_cfg {
struct tg_color black_color; /* background color */
enum mpcc_alpha_blend_mode alpha_mode; /* alpha blend mode */
bool pre_multiplied_alpha; /* alpha pre-multiplied mode flag */
int global_gain;
int global_alpha;
bool overlap_only;
};
struct mpcc_sm_cfg {
bool enable;
/* 0-single plane,2-row subsampling,4-column subsampling,6-checkboard subsampling */
int sm_mode;
/* 0- disable frame alternate, 1- enable frame alternate */
bool frame_alt;
/* 0- disable field alternate, 1- enable field alternate */
bool field_alt;
/* 0-no force,2-force frame polarity from top,3-force frame polarity from bottom */
int force_next_frame_porlarity;
/* 0-no force,2-force field polarity from top,3-force field polarity from bottom */
int force_next_field_polarity;
};
/*
* MPCC connection and blending configuration for a single MPCC instance.
* This struct is used as a node in an MPC tree.
*/
struct mpcc {
int mpcc_id; /* MPCC physical instance */
int dpp_id; /* DPP input to this MPCC */
struct mpcc *mpcc_bot; /* pointer to bottom layer MPCC. NULL when not connected */
struct mpcc_blnd_cfg blnd_cfg; /* The blending configuration for this MPCC */
struct mpcc_sm_cfg sm_cfg; /* stereo mix setting for this MPCC */
};
/*
* MPC tree represents all MPCC connections for a pipe.
*/
struct mpc_tree {
int opp_id; /* The OPP instance that owns this MPC tree */
struct mpcc *opp_list; /* The top MPCC layer of the MPC tree that outputs to OPP endpoint */
};
struct mpc {
const struct mpc_funcs *funcs;
struct dc_context *ctx;
struct mpcc mpcc_array[MAX_MPCC];
};
struct mpcc_state {
uint32_t opp_id;
uint32_t dpp_id;
uint32_t bot_mpcc_id;
uint32_t mode;
uint32_t alpha_mode;
uint32_t pre_multiplied_alpha;
uint32_t overlap_only;
uint32_t idle;
uint32_t busy;
};
struct mpc_funcs {
void (*read_mpcc_state)(
struct mpc *mpc,
int mpcc_inst,
struct mpcc_state *s);
/*
* Insert DPP into MPC tree based on specified blending position.
* Only used for planes that are part of blending chain for OPP output
*
* Parameters:
* [in/out] mpc - MPC context.
* [in/out] tree - MPC tree structure that plane will be added to.
* [in] blnd_cfg - MPCC blending configuration for the new blending layer.
* [in] sm_cfg - MPCC stereo mix configuration for the new blending layer.
* stereo mix must disable for the very bottom layer of the tree config.
* [in] insert_above_mpcc - Insert new plane above this MPCC. If NULL, insert as bottom plane.
* [in] dpp_id - DPP instance for the plane to be added.
* [in] mpcc_id - The MPCC physical instance to use for blending.
*
* Return: struct mpcc* - MPCC that was added.
*/
struct mpcc* (*insert_plane)(
struct mpc *mpc,
struct mpc_tree *tree,
struct mpcc_blnd_cfg *blnd_cfg,
struct mpcc_sm_cfg *sm_cfg,
struct mpcc *insert_above_mpcc,
int dpp_id,
int mpcc_id);
/*
* Remove a specified MPCC from the MPC tree.
*
* Parameters:
* [in/out] mpc - MPC context.
* [in/out] tree - MPC tree structure that plane will be removed from.
* [in/out] mpcc - MPCC to be removed from tree.
*
* Return: void
*/
void (*remove_mpcc)(
struct mpc *mpc,
struct mpc_tree *tree,
struct mpcc *mpcc);
/*
* Reset the MPCC HW status by disconnecting all muxes.
*
* Parameters:
* [in/out] mpc - MPC context.
*
* Return: void
*/
void (*mpc_init)(struct mpc *mpc);
/*
* Update the blending configuration for a specified MPCC.
*
* Parameters:
* [in/out] mpc - MPC context.
* [in] blnd_cfg - MPCC blending configuration.
* [in] mpcc_id - The MPCC physical instance.
*
* Return: void
*/
void (*update_blending)(
struct mpc *mpc,
struct mpcc_blnd_cfg *blnd_cfg,
int mpcc_id);
struct mpcc* (*get_mpcc_for_dpp)(
struct mpc_tree *tree,
int dpp_id);
void (*wait_for_idle)(struct mpc *mpc, int id);
void (*assert_mpcc_idle_before_connect)(struct mpc *mpc, int mpcc_id);
void (*init_mpcc_list_from_hw)(
struct mpc *mpc,
struct mpc_tree *tree);
};
#endif
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