/*
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* Copyright 2014 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef HELPERS_H
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#define HELPERS_H
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#include "drv.h"
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#include "helpers_array.h"
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uint32_t drv_height_from_format(uint32_t format, uint32_t height, size_t plane);
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uint32_t drv_size_from_format(uint32_t format, uint32_t stride, uint32_t height, size_t plane);
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int drv_bo_from_format(struct bo *bo, uint32_t stride, uint32_t aligned_height, uint32_t format);
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int drv_dumb_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format,
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uint64_t use_flags);
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int drv_dumb_bo_destroy(struct bo *bo);
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int drv_gem_bo_destroy(struct bo *bo);
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int drv_prime_bo_import(struct bo *bo, struct drv_import_fd_data *data);
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void *drv_dumb_bo_map(struct bo *bo, struct vma *vma, size_t plane, uint32_t map_flags);
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int drv_bo_munmap(struct bo *bo, struct vma *vma);
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int drv_mapping_destroy(struct bo *bo);
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int drv_get_prot(uint32_t map_flags);
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uintptr_t drv_get_reference_count(struct driver *drv, struct bo *bo, size_t plane);
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void drv_increment_reference_count(struct driver *drv, struct bo *bo, size_t plane);
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void drv_decrement_reference_count(struct driver *drv, struct bo *bo, size_t plane);
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uint32_t drv_log_base2(uint32_t value);
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int drv_add_combination(struct driver *drv, uint32_t format, struct format_metadata *metadata,
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uint64_t usage);
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void drv_add_combinations(struct driver *drv, const uint32_t *formats, uint32_t num_formats,
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struct format_metadata *metadata, uint64_t usage);
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void drv_modify_combination(struct driver *drv, uint32_t format, struct format_metadata *metadata,
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uint64_t usage);
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struct drv_array *drv_query_kms(struct driver *drv);
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int drv_modify_linear_combinations(struct driver *drv);
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uint64_t drv_pick_modifier(const uint64_t *modifiers, uint32_t count,
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const uint64_t *modifier_order, uint32_t order_count);
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#endif
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