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 #ifdef __cplusplus 11 extern "C" { 12 #endif 13 14 #include <stdbool.h> 15 16 #include "drv.h" 17 #include "helpers_array.h" 18 19 #ifndef PAGE_SIZE 20 #define PAGE_SIZE 0x1000 21 #endif 22 23 uint32_t drv_height_from_format(uint32_t format, uint32_t height, size_t plane); 24 uint32_t drv_vertical_subsampling_from_format(uint32_t format, size_t plane); 25 uint32_t drv_size_from_format(uint32_t format, uint32_t stride, uint32_t height, size_t plane); 26 int drv_bo_from_format(struct bo *bo, uint32_t stride, uint32_t aligned_height, uint32_t format); 27 int drv_bo_from_format_and_padding(struct bo *bo, uint32_t stride, uint32_t aligned_height, 28 uint32_t format, uint32_t padding[DRV_MAX_PLANES]); 29 int drv_dumb_bo_create(struct bo *bo, uint32_t width, uint32_t height, uint32_t format, 30 uint64_t use_flags); 31 int drv_dumb_bo_create_ex(struct bo *bo, uint32_t width, uint32_t height, uint32_t format, 32 uint64_t use_flags, uint64_t quirks); 33 int drv_dumb_bo_destroy(struct bo *bo); 34 int drv_gem_bo_destroy(struct bo *bo); 35 int drv_prime_bo_import(struct bo *bo, struct drv_import_fd_data *data); 36 void *drv_dumb_bo_map(struct bo *bo, struct vma *vma, size_t plane, uint32_t map_flags); 37 int drv_bo_munmap(struct bo *bo, struct vma *vma); 38 int drv_mapping_destroy(struct bo *bo); 39 int drv_get_prot(uint32_t map_flags); 40 uintptr_t drv_get_reference_count(struct driver *drv, struct bo *bo, size_t plane); 41 void drv_increment_reference_count(struct driver *drv, struct bo *bo, size_t plane); 42 void drv_decrement_reference_count(struct driver *drv, struct bo *bo, size_t plane); 43 void drv_add_combination(struct driver *drv, uint32_t format, struct format_metadata *metadata, 44 uint64_t usage); 45 void drv_add_combinations(struct driver *drv, const uint32_t *formats, uint32_t num_formats, 46 struct format_metadata *metadata, uint64_t usage); 47 void drv_modify_combination(struct driver *drv, uint32_t format, struct format_metadata *metadata, 48 uint64_t usage); 49 int drv_modify_linear_combinations(struct driver *drv); 50 uint64_t drv_pick_modifier(const uint64_t *modifiers, uint32_t count, 51 const uint64_t *modifier_order, uint32_t order_count); 52 bool drv_has_modifier(const uint64_t *list, uint32_t count, uint64_t modifier); 53 uint32_t drv_get_standard_fourcc(uint32_t fourcc_internal); 54 uint32_t drv_resolve_format_helper(struct driver *drv, uint32_t format, uint64_t use_flags); 55 56 #ifdef __cplusplus 57 } 58 #endif 59 60 #endif 61