xref: /linux/drivers/gpu/drm/amd/display/dc/inc/hw/ipp.h (revision 3eb66e91a25497065c5322b1268cbc3953642227)
1  /*
2   * Copyright 2017 Advanced Micro Devices, Inc.
3   *
4   * Permission is hereby granted, free of charge, to any person obtaining a
5   * copy of this software and associated documentation files (the "Software"),
6   * to deal in the Software without restriction, including without limitation
7   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8   * and/or sell copies of the Software, and to permit persons to whom the
9   * Software is furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17   * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18   * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19   * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20   * OTHER DEALINGS IN THE SOFTWARE.
21   *
22   * Authors: AMD
23   *
24   */
25  
26  #ifndef __DAL_IPP_H__
27  #define __DAL_IPP_H__
28  
29  #include "hw_shared.h"
30  #include "dc_hw_types.h"
31  
32  #define MAXTRIX_COEFFICIENTS_NUMBER 12
33  #define MAXTRIX_COEFFICIENTS_WRAP_NUMBER (MAXTRIX_COEFFICIENTS_NUMBER + 4)
34  #define MAX_OVL_MATRIX_COUNT 12
35  
36  /* IPP RELATED */
37  struct input_pixel_processor {
38  	struct  dc_context *ctx;
39  	unsigned int inst;
40  	const struct ipp_funcs *funcs;
41  };
42  
43  enum ipp_prescale_mode {
44  	IPP_PRESCALE_MODE_BYPASS,
45  	IPP_PRESCALE_MODE_FIXED_SIGNED,
46  	IPP_PRESCALE_MODE_FLOAT_SIGNED,
47  	IPP_PRESCALE_MODE_FIXED_UNSIGNED,
48  	IPP_PRESCALE_MODE_FLOAT_UNSIGNED
49  };
50  
51  struct ipp_prescale_params {
52  	enum ipp_prescale_mode mode;
53  	uint16_t bias;
54  	uint16_t scale;
55  };
56  
57  
58  
59  enum ovl_color_space {
60  	OVL_COLOR_SPACE_UNKNOWN = 0,
61  	OVL_COLOR_SPACE_RGB,
62  	OVL_COLOR_SPACE_YUV601,
63  	OVL_COLOR_SPACE_YUV709
64  };
65  
66  
67  struct ipp_funcs {
68  
69  	/*** cursor ***/
70  	void (*ipp_cursor_set_position)(
71  		struct input_pixel_processor *ipp,
72  		const struct dc_cursor_position *position,
73  		const struct dc_cursor_mi_param *param);
74  
75  	void (*ipp_cursor_set_attributes)(
76  		struct input_pixel_processor *ipp,
77  		const struct dc_cursor_attributes *attributes);
78  
79  	/*** setup input pixel processing ***/
80  
81  	/* put the entire pixel processor to bypass */
82  	void (*ipp_full_bypass)(
83  			struct input_pixel_processor *ipp);
84  
85  	/* setup ipp to expand/convert input to pixel processor internal format */
86  	void (*ipp_setup)(
87  		struct input_pixel_processor *ipp,
88  		enum surface_pixel_format format,
89  		enum expansion_mode mode,
90  		struct dc_csc_transform input_csc_color_matrix,
91  		enum dc_color_space input_color_space);
92  
93  	/* DCE function to setup IPP.  TODO: see if we can consolidate to setup */
94  	void (*ipp_program_prescale)(
95  			struct input_pixel_processor *ipp,
96  			struct ipp_prescale_params *params);
97  
98  	void (*ipp_program_input_lut)(
99  			struct input_pixel_processor *ipp,
100  			const struct dc_gamma *gamma);
101  
102  	/*** DEGAMMA RELATED ***/
103  	void (*ipp_set_degamma)(
104  		struct input_pixel_processor *ipp,
105  		enum ipp_degamma_mode mode);
106  
107  	void (*ipp_program_degamma_pwl)(
108  		struct input_pixel_processor *ipp,
109  		const struct pwl_params *params);
110  
111  	void (*ipp_destroy)(struct input_pixel_processor **ipp);
112  };
113  
114  #endif /* __DAL_IPP_H__ */
115