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      1 /*	$NetBSD: compressor.h,v 1.2 2021/12/18 23:45:05 riastradh Exp $	*/
      2 
      3 /*
      4  * Copyright 2012-15 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_COMPRESSOR_H__
     29 #define __DAL_COMPRESSOR_H__
     30 
     31 #include "include/grph_object_id.h"
     32 #include "bios_parser_interface.h"
     33 
     34 enum fbc_compress_ratio {
     35 	FBC_COMPRESS_RATIO_INVALID = 0,
     36 	FBC_COMPRESS_RATIO_1TO1 = 1,
     37 	FBC_COMPRESS_RATIO_2TO1 = 2,
     38 	FBC_COMPRESS_RATIO_4TO1 = 4,
     39 	FBC_COMPRESS_RATIO_8TO1 = 8,
     40 };
     41 
     42 union fbc_physical_address {
     43 	struct {
     44 		uint32_t low_part;
     45 		int32_t high_part;
     46 	} addr;
     47 	uint64_t quad_part;
     48 };
     49 
     50 struct compr_addr_and_pitch_params {
     51 	/* enum controller_id controller_id; */
     52 	uint32_t inst;
     53 	uint32_t source_view_width;
     54 	uint32_t source_view_height;
     55 };
     56 
     57 enum fbc_hw_max_resolution_supported {
     58 	FBC_MAX_X = 3840,
     59 	FBC_MAX_Y = 2400,
     60 	FBC_MAX_X_SG = 1920,
     61 	FBC_MAX_Y_SG = 1080,
     62 };
     63 
     64 struct compressor;
     65 
     66 struct compressor_funcs {
     67 
     68 	void (*power_up_fbc)(struct compressor *cp);
     69 	void (*enable_fbc)(struct compressor *cp,
     70 		struct compr_addr_and_pitch_params *params);
     71 	void (*disable_fbc)(struct compressor *cp);
     72 	void (*set_fbc_invalidation_triggers)(struct compressor *cp,
     73 		uint32_t fbc_trigger);
     74 	void (*surface_address_and_pitch)(
     75 		struct compressor *cp,
     76 		struct compr_addr_and_pitch_params *params);
     77 	bool (*is_fbc_enabled_in_hw)(struct compressor *cp,
     78 		uint32_t *fbc_mapped_crtc_id);
     79 };
     80 struct compressor {
     81 	struct dc_context *ctx;
     82 	/* CONTROLLER_ID_D0 + instance, CONTROLLER_ID_UNDEFINED = 0 */
     83 	uint32_t attached_inst;
     84 	bool is_enabled;
     85 	const struct compressor_funcs *funcs;
     86 	union {
     87 		uint32_t raw;
     88 		struct {
     89 			uint32_t FBC_SUPPORT:1;
     90 			uint32_t FB_POOL:1;
     91 			uint32_t DYNAMIC_ALLOC:1;
     92 			uint32_t LPT_SUPPORT:1;
     93 			uint32_t LPT_MC_CONFIG:1;
     94 			uint32_t DUMMY_BACKEND:1;
     95 			uint32_t CLK_GATING_DISABLED:1;
     96 
     97 		} bits;
     98 	} options;
     99 
    100 	union fbc_physical_address compr_surface_address;
    101 
    102 	uint32_t embedded_panel_h_size;
    103 	uint32_t embedded_panel_v_size;
    104 	uint32_t memory_bus_width;
    105 	uint32_t banks_num;
    106 	uint32_t raw_size;
    107 	uint32_t channel_interleave_size;
    108 	uint32_t dram_channels_num;
    109 
    110 	uint32_t allocated_size;
    111 	uint32_t preferred_requested_size;
    112 	uint32_t lpt_channels_num;
    113 	enum fbc_compress_ratio min_compress_ratio;
    114 };
    115 
    116 struct fbc_input_info {
    117 	bool           dynamic_fbc_buffer_alloc;
    118 	unsigned int   source_view_width;
    119 	unsigned int   source_view_height;
    120 	unsigned int   num_of_active_targets;
    121 };
    122 
    123 
    124 struct fbc_requested_compressed_size {
    125 	unsigned int   preferred_size;
    126 	unsigned int   preferred_size_alignment;
    127 	unsigned int   min_size;
    128 	unsigned int   min_size_alignment;
    129 	union {
    130 		struct {
    131 			/* Above preferedSize must be allocated in FB pool */
    132 			unsigned int preferred_must_be_framebuffer_pool : 1;
    133 			/* Above minSize must be allocated in FB pool */
    134 			unsigned int min_must_be_framebuffer_pool : 1;
    135 		} bits;
    136 		unsigned int flags;
    137 	};
    138 };
    139 #endif
    140