LXR linux/drivers/gpu/drm/amd/display/dc/inc/hw/ipp.h

   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 */
  37struct input_pixel_processor {
  38        struct  dc_context *ctx;
  39        unsigned int inst;
  40        const struct ipp_funcs *funcs;
  41};
  42
  43enum 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
  51struct ipp_prescale_params {
  52        enum ipp_prescale_mode mode;
  53        uint16_t bias;
  54        uint16_t scale;
  55};
  56
  57
  58
  59enum 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
  67struct 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