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      1 /*	$NetBSD: ipp.h,v 1.2 2021/12/18 23:45:05 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2017 Advanced Micro Devices, Inc.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the "Software"),
      8  * to deal in the Software without restriction, including without limitation
      9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
     10  * and/or sell copies of the Software, and to permit persons to whom the
     11  * Software is furnished to do so, subject to the following conditions:
     12  *
     13  * The above copyright notice and this permission notice shall be included in
     14  * all copies or substantial portions of the Software.
     15  *
     16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
     17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
     18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
     19  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
     20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
     21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     22  * OTHER DEALINGS IN THE SOFTWARE.
     23  *
     24  * Authors: AMD
     25  *
     26  */
     27 
     28 #ifndef __DAL_IPP_H__
     29 #define __DAL_IPP_H__
     30 
     31 #include "hw_shared.h"
     32 #include "dc_hw_types.h"
     33 
     34 #define MAXTRIX_COEFFICIENTS_NUMBER 12
     35 #define MAXTRIX_COEFFICIENTS_WRAP_NUMBER (MAXTRIX_COEFFICIENTS_NUMBER + 4)
     36 #define MAX_OVL_MATRIX_COUNT 12
     37 
     38 /* IPP RELATED */
     39 struct input_pixel_processor {
     40 	struct  dc_context *ctx;
     41 	unsigned int inst;
     42 	const struct ipp_funcs *funcs;
     43 };
     44 
     45 enum ipp_prescale_mode {
     46 	IPP_PRESCALE_MODE_BYPASS,
     47 	IPP_PRESCALE_MODE_FIXED_SIGNED,
     48 	IPP_PRESCALE_MODE_FLOAT_SIGNED,
     49 	IPP_PRESCALE_MODE_FIXED_UNSIGNED,
     50 	IPP_PRESCALE_MODE_FLOAT_UNSIGNED
     51 };
     52 
     53 struct ipp_prescale_params {
     54 	enum ipp_prescale_mode mode;
     55 	uint16_t bias;
     56 	uint16_t scale;
     57 };
     58 
     59 
     60 
     61 enum ovl_color_space {
     62 	OVL_COLOR_SPACE_UNKNOWN = 0,
     63 	OVL_COLOR_SPACE_RGB,
     64 	OVL_COLOR_SPACE_YUV601,
     65 	OVL_COLOR_SPACE_YUV709
     66 };
     67 
     68 
     69 struct ipp_funcs {
     70 
     71 	/*** cursor ***/
     72 	void (*ipp_cursor_set_position)(
     73 		struct input_pixel_processor *ipp,
     74 		const struct dc_cursor_position *position,
     75 		const struct dc_cursor_mi_param *param);
     76 
     77 	void (*ipp_cursor_set_attributes)(
     78 		struct input_pixel_processor *ipp,
     79 		const struct dc_cursor_attributes *attributes);
     80 
     81 	/*** setup input pixel processing ***/
     82 
     83 	/* put the entire pixel processor to bypass */
     84 	void (*ipp_full_bypass)(
     85 			struct input_pixel_processor *ipp);
     86 
     87 	/* setup ipp to expand/convert input to pixel processor internal format */
     88 	void (*ipp_setup)(
     89 		struct input_pixel_processor *ipp,
     90 		enum surface_pixel_format format,
     91 		enum expansion_mode mode,
     92 		struct dc_csc_transform input_csc_color_matrix,
     93 		enum dc_color_space input_color_space);
     94 
     95 	/* DCE function to setup IPP.  TODO: see if we can consolidate to setup */
     96 	void (*ipp_program_prescale)(
     97 			struct input_pixel_processor *ipp,
     98 			struct ipp_prescale_params *params);
     99 
    100 	void (*ipp_program_input_lut)(
    101 			struct input_pixel_processor *ipp,
    102 			const struct dc_gamma *gamma);
    103 
    104 	/*** DEGAMMA RELATED ***/
    105 	void (*ipp_set_degamma)(
    106 		struct input_pixel_processor *ipp,
    107 		enum ipp_degamma_mode mode);
    108 
    109 	void (*ipp_program_degamma_pwl)(
    110 		struct input_pixel_processor *ipp,
    111 		const struct pwl_params *params);
    112 
    113 	void (*ipp_destroy)(struct input_pixel_processor **ipp);
    114 };
    115 
    116 #endif /* __DAL_IPP_H__ */
    117