cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
Log | Files | Refs | README | LICENSE | sfeed.txt

compressor.h (3861B)

      1/*
      2 * Copyright 2012-15 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_COMPRESSOR_H__
     27#define __DAL_COMPRESSOR_H__
     28
     29#include "include/grph_object_id.h"
     30#include "bios_parser_interface.h"
     31
     32enum fbc_compress_ratio {
     33	FBC_COMPRESS_RATIO_INVALID = 0,
     34	FBC_COMPRESS_RATIO_1TO1 = 1,
     35	FBC_COMPRESS_RATIO_2TO1 = 2,
     36	FBC_COMPRESS_RATIO_4TO1 = 4,
     37	FBC_COMPRESS_RATIO_8TO1 = 8,
     38};
     39
     40union fbc_physical_address {
     41	struct {
     42		uint32_t low_part;
     43		int32_t high_part;
     44	} addr;
     45	uint64_t quad_part;
     46};
     47
     48struct compr_addr_and_pitch_params {
     49	/* enum controller_id controller_id; */
     50	uint32_t inst;
     51	uint32_t source_view_width;
     52	uint32_t source_view_height;
     53};
     54
     55enum fbc_hw_max_resolution_supported {
     56	FBC_MAX_X = 3840,
     57	FBC_MAX_Y = 2400,
     58	FBC_MAX_X_SG = 1920,
     59	FBC_MAX_Y_SG = 1080,
     60};
     61
     62struct compressor;
     63
     64struct compressor_funcs {
     65
     66	void (*power_up_fbc)(struct compressor *cp);
     67	void (*enable_fbc)(struct compressor *cp,
     68		struct compr_addr_and_pitch_params *params);
     69	void (*disable_fbc)(struct compressor *cp);
     70	void (*set_fbc_invalidation_triggers)(struct compressor *cp,
     71		uint32_t fbc_trigger);
     72	void (*surface_address_and_pitch)(
     73		struct compressor *cp,
     74		struct compr_addr_and_pitch_params *params);
     75	bool (*is_fbc_enabled_in_hw)(struct compressor *cp,
     76		uint32_t *fbc_mapped_crtc_id);
     77};
     78struct compressor {
     79	struct dc_context *ctx;
     80	/* CONTROLLER_ID_D0 + instance, CONTROLLER_ID_UNDEFINED = 0 */
     81	uint32_t attached_inst;
     82	bool is_enabled;
     83	const struct compressor_funcs *funcs;
     84	union {
     85		uint32_t raw;
     86		struct {
     87			uint32_t FBC_SUPPORT:1;
     88			uint32_t FB_POOL:1;
     89			uint32_t DYNAMIC_ALLOC:1;
     90			uint32_t LPT_SUPPORT:1;
     91			uint32_t LPT_MC_CONFIG:1;
     92			uint32_t DUMMY_BACKEND:1;
     93			uint32_t CLK_GATING_DISABLED:1;
     94
     95		} bits;
     96	} options;
     97
     98	union fbc_physical_address compr_surface_address;
     99
    100	uint32_t embedded_panel_h_size;
    101	uint32_t embedded_panel_v_size;
    102	uint32_t memory_bus_width;
    103	uint32_t banks_num;
    104	uint32_t raw_size;
    105	uint32_t channel_interleave_size;
    106	uint32_t dram_channels_num;
    107
    108	uint32_t allocated_size;
    109	uint32_t preferred_requested_size;
    110	uint32_t lpt_channels_num;
    111	enum fbc_compress_ratio min_compress_ratio;
    112};
    113
    114struct fbc_input_info {
    115	bool           dynamic_fbc_buffer_alloc;
    116	unsigned int   source_view_width;
    117	unsigned int   source_view_height;
    118	unsigned int   num_of_active_targets;
    119};
    120
    121
    122struct fbc_requested_compressed_size {
    123	unsigned int   preferred_size;
    124	unsigned int   preferred_size_alignment;
    125	unsigned int   min_size;
    126	unsigned int   min_size_alignment;
    127	union {
    128		struct {
    129			/* Above preferedSize must be allocated in FB pool */
    130			unsigned int preferred_must_be_framebuffer_pool : 1;
    131			/* Above minSize must be allocated in FB pool */
    132			unsigned int min_must_be_framebuffer_pool : 1;
    133		} bits;
    134		unsigned int flags;
    135	};
    136};
    137#endif