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/*
* Copyright (c) 2018 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#ifndef INTEL_AUX_MAP_H
#define INTEL_AUX_MAP_H
#include "intel_buffer_alloc.h"
#include "isl/isl.h"
#include <stdint.h>
#ifdef __cplusplus
extern "C" {
#endif
/**
* Auxiliary surface mapping implementation
*
* These functions are implemented in common code shared by drivers.
*/
struct intel_aux_map_context;
struct intel_device_info;
#define INTEL_AUX_MAP_ENTRY_VALID_BIT 0x1ull
struct intel_aux_map_context *
intel_aux_map_init(void *driver_ctx,
struct intel_mapped_pinned_buffer_alloc *buffer_alloc,
const struct intel_device_info *devinfo);
void
intel_aux_map_finish(struct intel_aux_map_context *ctx);
uint32_t
intel_aux_map_get_state_num(struct intel_aux_map_context *ctx);
/**
* Returns the current number of buffers used by the aux-map tables
*
* When preparing to execute a new batch, use this function to determine how
* many buffers will be required. More buffers may be added by concurrent
* accesses of the aux-map functions, but they won't be required for since
* they involve surfaces not used by this batch.
*/
uint32_t
intel_aux_map_get_num_buffers(struct intel_aux_map_context *ctx);
/**
* Returns the mask of meta data address in L1 entry
*
* The mask value is effected by page size of meta data specific to a platform.
*/
uint64_t
intel_aux_get_meta_address_mask(struct intel_aux_map_context *ctx);
/**
* Returns the ratio between the granularity of main surface and AUX data
*/
uint64_t
intel_aux_get_main_to_aux_ratio(struct intel_aux_map_context *ctx);
/**
* Fill an array of exec_object2 with aux-map buffer handles
*
* The intel_aux_map_get_num_buffers call should be made, then the driver can
* make sure the `obj` array is large enough before calling this function.
*/
void
intel_aux_map_fill_bos(struct intel_aux_map_context *ctx, void **driver_bos,
uint32_t max_bos);
uint64_t
intel_aux_map_get_base(struct intel_aux_map_context *ctx);
uint64_t
intel_aux_map_format_bits(enum isl_tiling tiling, enum isl_format format,
uint8_t plane);
uint64_t
intel_aux_map_format_bits_for_isl_surf(const struct isl_surf *isl_surf);
uint64_t *
intel_aux_map_get_entry(struct intel_aux_map_context *ctx,
uint64_t address,
uint64_t *entry_address);
void
intel_aux_map_add_mapping(struct intel_aux_map_context *ctx, uint64_t address,
uint64_t aux_address, uint64_t main_size_B,
uint64_t format_bits);
void
intel_aux_map_unmap_range(struct intel_aux_map_context *ctx, uint64_t address,
uint64_t size);
#ifdef __cplusplus
}
#endif
#endif /* INTEL_AUX_MAP_H */
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