cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ipp.h (3324B)


      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__ */