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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.h188
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
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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