summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/amd/display/dc/inc/hw/mpc.h
blob: 094afc4c817310332dd78521ee1ebe56e79094b1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
/* 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

#define MAX_DWB		1

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;

	/* MPCC top/bottom gain settings */
	int bottom_gain_mode;
	int background_color_bpc;
	int top_gain;
	int bottom_inside_gain;
	int bottom_outside_gain;
};

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;
};

struct mpc_denorm_clamp {
	int clamp_max_r_cr;
	int clamp_min_r_cr;
	int clamp_max_g_y;
	int clamp_min_g_y;
	int clamp_max_b_cb;
	int clamp_min_b_cb;
};

/*
 * 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 pwl_params blender_params;
	bool cm_bypass_mode;
};

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);
	void (*mpc_init_single_inst)(
			struct mpc *mpc,
			unsigned int mpcc_id);

	/*
	 * 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);

	void (*set_denorm)(struct mpc *mpc,
			int opp_id,
			enum dc_color_depth output_depth);

	void (*set_denorm_clamp)(
			struct mpc *mpc,
			int opp_id,
			struct mpc_denorm_clamp denorm_clamp);

	void (*set_output_csc)(struct mpc *mpc,
			int opp_id,
			const uint16_t *regval,
			enum mpc_output_csc_mode ocsc_mode);

	void (*set_ocsc_default)(struct mpc *mpc,
			int opp_id,
			enum dc_color_space color_space,
			enum mpc_output_csc_mode ocsc_mode);

	void (*set_output_gamma)(
			struct mpc *mpc,
			int mpcc_id,
			const struct pwl_params *params);
	void (*power_on_mpc_mem_pwr)(
			struct mpc *mpc,
			int mpcc_id,
			bool power_on);

};

#endif