1 /* 2 * Copyright 2016 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 DRV_PRIV_H 8 #define DRV_PRIV_H 9 10 #include <pthread.h> 11 #include <stdint.h> 12 #include <stdlib.h> 13 #include <sys/types.h> 14 15 #include "drv.h" 16 17 struct bo { 18 struct driver *drv; 19 uint32_t width; 20 uint32_t height; 21 uint32_t format; 22 uint32_t tiling; 23 size_t num_planes; 24 union bo_handle handles[DRV_MAX_PLANES]; 25 uint32_t offsets[DRV_MAX_PLANES]; 26 uint32_t sizes[DRV_MAX_PLANES]; 27 uint32_t strides[DRV_MAX_PLANES]; 28 uint64_t format_modifiers[DRV_MAX_PLANES]; 29 uint64_t use_flags; 30 size_t total_size; 31 void *priv; 32 }; 33 34 struct kms_item { 35 uint32_t format; 36 uint64_t modifier; 37 uint64_t use_flags; 38 }; 39 40 struct format_metadata { 41 uint32_t priority; 42 uint32_t tiling; 43 uint64_t modifier; 44 }; 45 46 struct combination { 47 uint32_t format; 48 struct format_metadata metadata; 49 uint64_t use_flags; 50 }; 51 52 struct driver { 53 int fd; 54 const struct backend *backend; 55 void *priv; 56 void *buffer_table; 57 struct drv_array *mappings; 58 struct drv_array *combos; 59 pthread_mutex_t driver_lock; 60 }; 61 62 struct backend { 63 char *name; 64 int (*init)(struct driver *drv); 65 void (*close)(struct driver *drv); 66 int (*bo_create)(struct bo *bo, uint32_t width, uint32_t height, uint32_t format, 67 uint64_t use_flags); 68 int (*bo_create_with_modifiers)(struct bo *bo, uint32_t width, uint32_t height, 69 uint32_t format, const uint64_t *modifiers, uint32_t count); 70 int (*bo_destroy)(struct bo *bo); 71 int (*bo_import)(struct bo *bo, struct drv_import_fd_data *data); 72 void *(*bo_map)(struct bo *bo, struct vma *vma, size_t plane, uint32_t map_flags); 73 int (*bo_unmap)(struct bo *bo, struct vma *vma); 74 int (*bo_invalidate)(struct bo *bo, struct mapping *mapping); 75 int (*bo_flush)(struct bo *bo, struct mapping *mapping); 76 uint32_t (*resolve_format)(uint32_t format, uint64_t use_flags); 77 }; 78 79 // clang-format off 80 #define BO_USE_RENDER_MASK BO_USE_LINEAR | BO_USE_PROTECTED | BO_USE_RENDERING | \ 81 BO_USE_RENDERSCRIPT | BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN | \ 82 BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY | BO_USE_TEXTURE 83 84 #define BO_USE_TEXTURE_MASK BO_USE_LINEAR | BO_USE_PROTECTED | BO_USE_RENDERSCRIPT | \ 85 BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN | \ 86 BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY | BO_USE_TEXTURE 87 88 #define BO_USE_SW BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN | \ 89 BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY 90 91 #define BO_USE_SW_OFTEN BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN 92 93 #define BO_USE_SW_RARELY BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY 94 95 #ifndef DRM_FORMAT_MOD_LINEAR 96 #define DRM_FORMAT_MOD_LINEAR DRM_FORMAT_MOD_NONE 97 #endif 98 99 #define LINEAR_METADATA (struct format_metadata) { 1, 0, DRM_FORMAT_MOD_LINEAR } 100 // clang-format on 101 102 #endif 103