Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 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_H_ |
| 8 | #define DRV_H_ |
| 9 | |
| 10 | #ifdef __cplusplus |
| 11 | extern "C" { |
| 12 | #endif |
| 13 | |
Gurchetan Singh | f3b22da | 2016-11-21 10:46:38 -0800 | [diff] [blame] | 14 | #include <drm_fourcc.h> |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 15 | #include <stdint.h> |
| 16 | |
| 17 | #define DRV_MAX_PLANES 4 |
| 18 | |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 19 | /* Use flags */ |
Gurchetan Singh | 458976f | 2016-11-23 17:32:33 -0800 | [diff] [blame] | 20 | #define BO_USE_NONE 0 |
| 21 | #define BO_USE_SCANOUT (1ull << 0) |
| 22 | #define BO_USE_CURSOR (1ull << 1) |
| 23 | #define BO_USE_CURSOR_64X64 BO_USE_CURSOR |
| 24 | #define BO_USE_RENDERING (1ull << 2) |
| 25 | #define BO_USE_LINEAR (1ull << 3) |
| 26 | #define BO_USE_SW_READ_NEVER (1ull << 4) |
| 27 | #define BO_USE_SW_READ_RARELY (1ull << 5) |
| 28 | #define BO_USE_SW_READ_OFTEN (1ull << 6) |
| 29 | #define BO_USE_SW_WRITE_NEVER (1ull << 7) |
| 30 | #define BO_USE_SW_WRITE_RARELY (1ull << 8) |
| 31 | #define BO_USE_SW_WRITE_OFTEN (1ull << 9) |
| 32 | #define BO_USE_EXTERNAL_DISP (1ull << 10) |
| 33 | #define BO_USE_PROTECTED (1ull << 11) |
| 34 | #define BO_USE_HW_VIDEO_ENCODER (1ull << 12) |
| 35 | #define BO_USE_HW_CAMERA_WRITE (1ull << 13) |
| 36 | #define BO_USE_HW_CAMERA_READ (1ull << 14) |
| 37 | #define BO_USE_HW_CAMERA_ZSL (1ull << 15) |
| 38 | #define BO_USE_RENDERSCRIPT (1ull << 16) |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 39 | |
Gurchetan Singh | f3b22da | 2016-11-21 10:46:38 -0800 | [diff] [blame] | 40 | /* This is our extension to <drm_fourcc.h>. We need to make sure we don't step |
| 41 | * on the namespace of already defined formats, which can be done by using invalid |
| 42 | * fourcc codes. |
| 43 | */ |
| 44 | |
| 45 | #define DRM_FORMAT_NONE fourcc_code('0', '0', '0', '0') |
| 46 | #define DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED fourcc_code('9', '9', '9', '8') |
| 47 | #define DRM_FORMAT_FLEX_YCbCr_420_888 fourcc_code('9', '9', '9', '9') |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 48 | |
| 49 | struct driver; |
| 50 | struct bo; |
| 51 | |
| 52 | union bo_handle { |
Gurchetan Singh | b72badb | 2016-08-19 16:26:46 -0700 | [diff] [blame] | 53 | void *ptr; |
| 54 | int32_t s32; |
| 55 | uint32_t u32; |
| 56 | int64_t s64; |
| 57 | uint64_t u64; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 58 | }; |
| 59 | |
| 60 | struct drv_import_fd_data { |
Gurchetan Singh | b72badb | 2016-08-19 16:26:46 -0700 | [diff] [blame] | 61 | int fds[DRV_MAX_PLANES]; |
| 62 | uint32_t strides[DRV_MAX_PLANES]; |
| 63 | uint32_t offsets[DRV_MAX_PLANES]; |
| 64 | uint32_t sizes[DRV_MAX_PLANES]; |
Kristian H. Kristensen | 3345977 | 2016-09-16 11:14:16 -0700 | [diff] [blame] | 65 | uint64_t format_modifiers[DRV_MAX_PLANES]; |
Gurchetan Singh | b72badb | 2016-08-19 16:26:46 -0700 | [diff] [blame] | 66 | uint32_t width; |
| 67 | uint32_t height; |
Gurchetan Singh | f3b22da | 2016-11-21 10:46:38 -0800 | [diff] [blame] | 68 | uint32_t format; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 69 | }; |
| 70 | |
| 71 | struct driver * |
| 72 | drv_create(int fd); |
| 73 | |
| 74 | void |
| 75 | drv_destroy(struct driver *drv); |
| 76 | |
| 77 | int |
| 78 | drv_get_fd(struct driver *drv); |
| 79 | |
| 80 | const char * |
| 81 | drv_get_name(struct driver *drv); |
| 82 | |
| 83 | int |
Gurchetan Singh | 179687e | 2016-10-28 10:07:35 -0700 | [diff] [blame] | 84 | drv_is_combination_supported(struct driver *drv, uint32_t format, |
| 85 | uint64_t usage, uint64_t modifier); |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 86 | |
| 87 | struct bo * |
| 88 | drv_bo_new(struct driver *drv, uint32_t width, uint32_t height, |
Gurchetan Singh | f3b22da | 2016-11-21 10:46:38 -0800 | [diff] [blame] | 89 | uint32_t format); |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 90 | |
| 91 | struct bo * |
| 92 | drv_bo_create(struct driver *drv, uint32_t width, uint32_t height, |
Gurchetan Singh | f3b22da | 2016-11-21 10:46:38 -0800 | [diff] [blame] | 93 | uint32_t format, uint64_t flags); |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 94 | |
| 95 | void |
| 96 | drv_bo_destroy(struct bo *bo); |
| 97 | |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 98 | struct bo * |
| 99 | drv_bo_import(struct driver *drv, struct drv_import_fd_data *data); |
| 100 | |
Gurchetan Singh | 1a31e60 | 2016-10-06 10:58:00 -0700 | [diff] [blame] | 101 | void * |
| 102 | drv_bo_map(struct bo *bo, uint32_t x, uint32_t y, uint32_t width, |
| 103 | uint32_t height, uint32_t flags, void **map_data, size_t plane); |
| 104 | |
| 105 | int |
| 106 | drv_bo_unmap(struct bo *bo, void *map_data); |
| 107 | |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 108 | uint32_t |
| 109 | drv_bo_get_width(struct bo *bo); |
| 110 | |
| 111 | uint32_t |
| 112 | drv_bo_get_height(struct bo *bo); |
| 113 | |
| 114 | uint32_t |
| 115 | drv_bo_get_stride_or_tiling(struct bo *bo); |
| 116 | |
| 117 | size_t |
| 118 | drv_bo_get_num_planes(struct bo *bo); |
| 119 | |
| 120 | union bo_handle |
| 121 | drv_bo_get_plane_handle(struct bo *bo, size_t plane); |
| 122 | |
| 123 | int |
| 124 | drv_bo_get_plane_fd(struct bo *bo, size_t plane); |
| 125 | |
| 126 | uint32_t |
| 127 | drv_bo_get_plane_offset(struct bo *bo, size_t plane); |
| 128 | |
| 129 | uint32_t |
| 130 | drv_bo_get_plane_size(struct bo *bo, size_t plane); |
| 131 | |
| 132 | uint32_t |
| 133 | drv_bo_get_plane_stride(struct bo *bo, size_t plane); |
| 134 | |
| 135 | uint64_t |
| 136 | drv_bo_get_plane_format_modifier(struct bo *bo, size_t plane); |
| 137 | |
Gurchetan Singh | f3b22da | 2016-11-21 10:46:38 -0800 | [diff] [blame] | 138 | uint32_t |
Gurchetan Singh | 2e786ad | 2016-08-24 18:31:23 -0700 | [diff] [blame] | 139 | drv_bo_get_format(struct bo *bo); |
| 140 | |
Gurchetan Singh | f3b22da | 2016-11-21 10:46:38 -0800 | [diff] [blame] | 141 | uint32_t |
| 142 | drv_resolve_format(struct driver *drv, uint32_t format); |
Gurchetan Singh | bfba8c2 | 2016-08-16 17:57:10 -0700 | [diff] [blame] | 143 | |
Gurchetan Singh | 2e786ad | 2016-08-24 18:31:23 -0700 | [diff] [blame] | 144 | int |
| 145 | drv_stride_from_format(uint32_t format, uint32_t width, size_t plane); |
| 146 | |
Gurchetan Singh | 2a11934 | 2016-11-02 10:40:51 -0700 | [diff] [blame] | 147 | size_t |
| 148 | drv_num_planes_from_format(uint32_t format); |
| 149 | |
| 150 | uint32_t |
Gurchetan Singh | f3b22da | 2016-11-21 10:46:38 -0800 | [diff] [blame] | 151 | drv_size_from_format(uint32_t format, uint32_t stride, uint32_t height, |
Gurchetan Singh | 2a11934 | 2016-11-02 10:40:51 -0700 | [diff] [blame] | 152 | size_t plane); |
| 153 | |
Gurchetan Singh | 2e786ad | 2016-08-24 18:31:23 -0700 | [diff] [blame] | 154 | uint32_t |
| 155 | drv_num_buffers_per_bo(struct bo *bo); |
| 156 | |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 157 | #ifdef __cplusplus |
| 158 | } |
| 159 | #endif |
| 160 | |
| 161 | #endif |