1 /* Copyright 2012-17 Advanced Micro Devices, Inc.
2  *
3  * Permission is hereby granted, free of charge, to any person obtaining a
4  * copy of this software and associated documentation files (the "Software"),
5  * to deal in the Software without restriction, including without limitation
6  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
7  * and/or sell copies of the Software, and to permit persons to whom the
8  * Software is furnished to do so, subject to the following conditions:
9  *
10  * The above copyright notice and this permission notice shall be included in
11  * all copies or substantial portions of the Software.
12  *
13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
15  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
16  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
17  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
18  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
19  * OTHER DEALINGS IN THE SOFTWARE.
20  *
21  * Authors: AMD
22  *
23  */
24 
25 #ifndef __DC_DWBC_H__
26 #define __DC_DWBC_H__
27 
28 #include "dal_types.h"
29 #include "dc_hw_types.h"
30 
31 #define DWB_SW_V2	1
32 #define DWB_MCIF_BUF_COUNT 4
33 
34 /* forward declaration of mcif_wb struct */
35 struct mcif_wb;
36 
37 
38 enum dwb_sw_version {
39 	dwb_ver_1_0 = 1,
40 	dwb_ver_2_0 = 2,
41 };
42 
43 enum dwb_source {
44 	dwb_src_scl = 0,	/* for DCE7x/9x, DCN won't support. */
45 	dwb_src_blnd,		/* for DCE7x/9x */
46 	dwb_src_fmt,		/* for DCE7x/9x */
47 	dwb_src_otg0 = 0x100,	/* for DCN1.x/DCN2.x, register: mmDWB_SOURCE_SELECT */
48 	dwb_src_otg1,		/* for DCN1.x/DCN2.x */
49 	dwb_src_otg2,		/* for DCN1.x/DCN2.x */
50 	dwb_src_otg3,		/* for DCN1.x/DCN2.x */
51 };
52 
53 /* DCN1.x, DCN2.x support 2 pipes */
54 enum dwb_pipe {
55 	dwb_pipe0 = 0,
56 	dwb_pipe1,
57 	dwb_pipe_max_num,
58 };
59 
60 enum dwb_frame_capture_enable {
61 	DWB_FRAME_CAPTURE_DISABLE = 0,
62 	DWB_FRAME_CAPTURE_ENABLE = 1,
63 };
64 
65 enum wbscl_coef_filter_type_sel {
66 	WBSCL_COEF_LUMA_VERT_FILTER = 0,
67 	WBSCL_COEF_CHROMA_VERT_FILTER = 1,
68 	WBSCL_COEF_LUMA_HORZ_FILTER = 2,
69 	WBSCL_COEF_CHROMA_HORZ_FILTER = 3
70 };
71 
72 
73 enum dwb_boundary_mode {
74 	DWBSCL_BOUNDARY_MODE_EDGE  = 0,
75 	DWBSCL_BOUNDARY_MODE_BLACK = 1
76 };
77 
78 enum dwb_output_csc_mode {
79 	DWB_OUTPUT_CSC_DISABLE = 0,
80 	DWB_OUTPUT_CSC_COEF_A = 1,
81 	DWB_OUTPUT_CSC_COEF_B = 2
82 };
83 
84 enum dwb_ogam_lut_mode {
85 	DWB_OGAM_MODE_BYPASS,
86 	DWB_OGAM_RAMA_LUT,
87 	DWB_OGAM_RAMB_LUT
88 };
89 
90 enum dwb_color_volume {
91 	DWB_SRGB_BT709 = 0,	//SDR
92 	DWB_PQ = 1,	//HDR
93 	DWB_HLG = 2,	//HDR
94 };
95 
96 enum dwb_color_space {
97 	DWB_SRGB = 0,	//SDR
98 	DWB_BT709 = 1,	//SDR
99 	DWB_BT2020 = 2,	//HDR
100 };
101 
102 struct dwb_efc_hdr_metadata {
103 	/*display chromaticities and white point in units of 0.00001 */
104 	unsigned int	chromaticity_green_x;
105 	unsigned int	chromaticity_green_y;
106 	unsigned int	chromaticity_blue_x;
107 	unsigned int	chromaticity_blue_y;
108 	unsigned int	chromaticity_red_x;
109 	unsigned int	chromaticity_red_y;
110 	unsigned int	chromaticity_white_point_x;
111 	unsigned int	chromaticity_white_point_y;
112 
113 	/*in units of candelas per square meter */
114 	unsigned int	min_luminance;
115 	unsigned int	max_luminance;
116 
117 	/*in units of nits */
118 	unsigned int	maximum_content_light_level;
119 	unsigned int	maximum_frame_average_light_level;
120 };
121 
122 struct dwb_efc_display_settings {
123 	unsigned int	inputColorVolume;
124 	unsigned int	inputColorSpace;
125 	unsigned int	inputBitDepthMinus8;
126 	struct dwb_efc_hdr_metadata	hdr_metadata;
127 	unsigned int	dwbOutputBlack;	// 0 - Normal, 1 - Output Black
128 };
129 
130 struct dwb_warmup_params {
131 	bool	warmup_en;	/* false: normal mode, true: enable pattern generator */
132 	bool	warmup_mode;	/* false: 420, true: 444 */
133 	bool	warmup_depth;	/* false: 8bit, true: 10bit */
134 	int	warmup_data;	/* Data to be sent by pattern generator (same for each pixel component) */
135 	int	warmup_width;	/* Pattern width (pixels) */
136 	int	warmup_height;	/* Pattern height (lines) */
137 };
138 
139 struct dwb_caps {
140 	enum dce_version hw_version;	/* DCN engine version. */
141 	enum dwb_sw_version sw_version;	/* DWB sw implementation version. */
142 	unsigned int	reserved[6];	/* Reserved for future use, MUST BE 0. */
143 	unsigned int	adapter_id;
144 	unsigned int	num_pipes;	/* number of DWB pipes */
145 	struct {
146 		unsigned int support_dwb	:1;
147 		unsigned int support_ogam	:1;
148 		unsigned int support_wbscl	:1;
149 		unsigned int support_ocsc	:1;
150 		unsigned int support_stereo :1;
151 	} caps;
152 	unsigned int	 reserved2[9];	/* Reserved for future use, MUST BE 0. */
153 };
154 
155 struct dwbc {
156 	const struct dwbc_funcs *funcs;
157 	struct dc_context *ctx;
158 	int inst;
159 	struct mcif_wb *mcif;
160 	bool status;
161 	int inputSrcSelect;
162 	bool dwb_output_black;
163 	enum dc_transfer_func_predefined tf;
164 	enum dc_color_space output_color_space;
165 	bool dwb_is_efc_transition;
166 	bool dwb_is_drc;
167 	int wb_src_plane_inst;/*hubp, mpcc, inst*/
168 	uint32_t mask_id;
169     int otg_inst;
170     bool mvc_cfg;
171 };
172 
173 struct dwbc_funcs {
174 	bool (*get_caps)(
175 		struct dwbc *dwbc,
176 		struct dwb_caps *caps);
177 
178 	bool (*enable)(
179 		struct dwbc *dwbc,
180 		struct dc_dwb_params *params);
181 
182 	bool (*disable)(struct dwbc *dwbc);
183 
184 	bool (*update)(
185 		struct dwbc *dwbc,
186 		struct dc_dwb_params *params);
187 
188 	bool (*is_enabled)(
189 		struct dwbc *dwbc);
190 
191 	void (*set_stereo)(
192 		struct dwbc *dwbc,
193 		struct dwb_stereo_params *stereo_params);
194 
195 	void (*set_new_content)(
196 		struct dwbc *dwbc,
197 		bool is_new_content);
198 
199 
200 	void (*set_warmup)(
201 		struct dwbc *dwbc,
202 		struct dwb_warmup_params *warmup_params);
203 
204 
205 #if defined(CONFIG_DRM_AMD_DC_FP)
206 
207 	void (*dwb_program_output_csc)(
208 		struct dwbc *dwbc,
209 		enum dc_color_space color_space,
210 		enum dwb_output_csc_mode mode);
211 
212 	bool (*dwb_ogam_set_output_transfer_func)(
213 		struct dwbc *dwbc,
214 		const struct dc_transfer_func *in_transfer_func_dwb_ogam);
215 
216 	//TODO: merge with output_transfer_func?
217 	bool (*dwb_ogam_set_input_transfer_func)(
218 		struct dwbc *dwbc,
219 		const struct dc_transfer_func *in_transfer_func_dwb_ogam);
220 #endif
221 	bool (*get_dwb_status)(
222 		struct dwbc *dwbc);
223 	void (*dwb_set_scaler)(
224 		struct dwbc *dwbc,
225 		struct dc_dwb_params *params);
226 };
227 
228 #endif
229