diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h')
-rw-r--r-- | drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h b/drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h new file mode 100644 index 000000000000..23a8d5e53a89 --- /dev/null +++ b/drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h @@ -0,0 +1,188 @@ +/* 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 mpc_funcs { + /* + * 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 |