1 /* 2 * Copyright 2014 The Chromium OS Authors. All rights reserved. 3 * Use of this source code is governed by a BSD-style license that can be 4 * found in the LICENSE file. 5 */ 6 7 #ifndef HELPERS_H 8 #define HELPERS_H 9 10 #include "drv.h" 11 #include "helpers_array.h" 12 13 uint32_t drv_height_from_format(uint32_t format, uint32_t height, size_t plane); 14 uint32_t drv_size_from_format(uint32_t format, uint32_t stride, uint32_t height, size_t plane); 15 int drv_bo_from_format(struct bo *bo, uint32_t stride, uint32_t aligned_height, uint32_t format); 16 int drv_dumb_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format, 17 uint64_t use_flags); 18 int drv_dumb_bo_destroy(struct bo *bo); 19 int drv_gem_bo_destroy(struct bo *bo); 20 int drv_prime_bo_import(struct bo *bo, struct drv_import_fd_data *data); 21 void *drv_dumb_bo_map(struct bo *bo, struct vma *vma, size_t plane, uint32_t map_flags); 22 int drv_bo_munmap(struct bo *bo, struct vma *vma); 23 int drv_mapping_destroy(struct bo *bo); 24 int drv_get_prot(uint32_t map_flags); 25 uintptr_t drv_get_reference_count(struct driver *drv, struct bo *bo, size_t plane); 26 void drv_increment_reference_count(struct driver *drv, struct bo *bo, size_t plane); 27 void drv_decrement_reference_count(struct driver *drv, struct bo *bo, size_t plane); 28 uint32_t drv_log_base2(uint32_t value); 29 int drv_add_combination(struct driver *drv, uint32_t format, struct format_metadata *metadata, 30 uint64_t usage); 31 void drv_add_combinations(struct driver *drv, const uint32_t *formats, uint32_t num_formats, 32 struct format_metadata *metadata, uint64_t usage); 33 void drv_modify_combination(struct driver *drv, uint32_t format, struct format_metadata *metadata, 34 uint64_t usage); 35 struct drv_array *drv_query_kms(struct driver *drv); 36 int drv_modify_linear_combinations(struct driver *drv); 37 uint64_t drv_pick_modifier(const uint64_t *modifiers, uint32_t count, 38 const uint64_t *modifier_order, uint32_t order_count); 39 #endif 40