1 files changed, 142 insertions, 15 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
index d4188b2c0626..23a8d5e53a89 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h
@@ -26,35 +26,162 @@
 #define __DC_MPCC_H__
 
 #include "dc_hw_types.h"
-#include "opp.h"
+#include "hw_shared.h"
 
-struct mpcc_cfg {
-	int dpp_id;
-	int opp_id;
-	struct mpc_tree_cfg *tree_cfg;
-	unsigned int z_index;
+#define MAX_MPCC 6
+#define MAX_OPP 6
 
-	struct tg_color black_color;
-	bool per_pixel_alpha;
-	bool pre_multiplied_alpha;
+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 {
-	int (*add)(struct mpc *mpc, struct mpcc_cfg *cfg);
+	/*
+	 * 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);
 
-	void (*remove)(struct mpc *mpc,
-			struct mpc_tree_cfg *tree_cfg,
-			int opp_id,
-			int mpcc_inst);
+	/*
+	 * 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 (*update_blend_mode)(struct mpc *mpc, struct mpcc_cfg *cfg);
+	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);
 
 };