The etnaviv authors | 95e2cc6 | 2016-09-06 18:15:53 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014-2015 Etnaviv Project |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice (including the next |
| 12 | * paragraph) shall be included in all copies or substantial portions of the |
| 13 | * Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 21 | * SOFTWARE. |
| 22 | * |
| 23 | * Authors: |
| 24 | * Christian Gmeiner <christian.gmeiner@gmail.com> |
| 25 | */ |
| 26 | |
| 27 | #ifndef ETNAVIV_DRMIF_H_ |
| 28 | #define ETNAVIV_DRMIF_H_ |
| 29 | |
| 30 | #include <xf86drm.h> |
| 31 | #include <stdint.h> |
| 32 | |
| 33 | struct etna_bo; |
| 34 | struct etna_pipe; |
| 35 | struct etna_gpu; |
| 36 | struct etna_device; |
| 37 | struct etna_cmd_stream; |
| 38 | |
| 39 | enum etna_pipe_id { |
| 40 | ETNA_PIPE_3D = 0, |
| 41 | ETNA_PIPE_2D = 1, |
| 42 | ETNA_PIPE_VG = 2, |
| 43 | ETNA_PIPE_MAX |
| 44 | }; |
| 45 | |
| 46 | enum etna_param_id { |
| 47 | ETNA_GPU_MODEL = 0x1, |
| 48 | ETNA_GPU_REVISION = 0x2, |
| 49 | ETNA_GPU_FEATURES_0 = 0x3, |
| 50 | ETNA_GPU_FEATURES_1 = 0x4, |
| 51 | ETNA_GPU_FEATURES_2 = 0x5, |
| 52 | ETNA_GPU_FEATURES_3 = 0x6, |
| 53 | ETNA_GPU_FEATURES_4 = 0x7, |
| 54 | ETNA_GPU_FEATURES_5 = 0x8, |
| 55 | ETNA_GPU_FEATURES_6 = 0x9, |
| 56 | |
| 57 | ETNA_GPU_STREAM_COUNT = 0x10, |
| 58 | ETNA_GPU_REGISTER_MAX = 0x11, |
| 59 | ETNA_GPU_THREAD_COUNT = 0x12, |
| 60 | ETNA_GPU_VERTEX_CACHE_SIZE = 0x13, |
| 61 | ETNA_GPU_SHADER_CORE_COUNT = 0x14, |
| 62 | ETNA_GPU_PIXEL_PIPES = 0x15, |
| 63 | ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE = 0x16, |
| 64 | ETNA_GPU_BUFFER_SIZE = 0x17, |
| 65 | ETNA_GPU_INSTRUCTION_COUNT = 0x18, |
| 66 | ETNA_GPU_NUM_CONSTANTS = 0x19, |
| 67 | ETNA_GPU_NUM_VARYINGS = 0x1a |
| 68 | }; |
| 69 | |
| 70 | /* bo flags: */ |
| 71 | #define DRM_ETNA_GEM_CACHE_CACHED 0x00010000 |
| 72 | #define DRM_ETNA_GEM_CACHE_WC 0x00020000 |
| 73 | #define DRM_ETNA_GEM_CACHE_UNCACHED 0x00040000 |
| 74 | #define DRM_ETNA_GEM_CACHE_MASK 0x000f0000 |
| 75 | /* map flags */ |
| 76 | #define DRM_ETNA_GEM_FORCE_MMU 0x00100000 |
| 77 | |
| 78 | /* bo access flags: (keep aligned to ETNA_PREP_x) */ |
| 79 | #define DRM_ETNA_PREP_READ 0x01 |
| 80 | #define DRM_ETNA_PREP_WRITE 0x02 |
| 81 | #define DRM_ETNA_PREP_NOSYNC 0x04 |
| 82 | |
| 83 | /* device functions: |
| 84 | */ |
| 85 | |
| 86 | struct etna_device *etna_device_new(int fd); |
Christian Gmeiner | befb642 | 2016-11-13 21:29:22 +0100 | [diff] [blame] | 87 | struct etna_device *etna_device_new_dup(int fd); |
The etnaviv authors | 95e2cc6 | 2016-09-06 18:15:53 +0200 | [diff] [blame] | 88 | struct etna_device *etna_device_ref(struct etna_device *dev); |
| 89 | void etna_device_del(struct etna_device *dev); |
Christian Gmeiner | a14d6a6 | 2016-11-13 21:14:57 +0100 | [diff] [blame] | 90 | int etna_device_fd(struct etna_device *dev); |
The etnaviv authors | 95e2cc6 | 2016-09-06 18:15:53 +0200 | [diff] [blame] | 91 | |
| 92 | /* gpu functions: |
| 93 | */ |
| 94 | |
| 95 | struct etna_gpu *etna_gpu_new(struct etna_device *dev, unsigned int core); |
| 96 | void etna_gpu_del(struct etna_gpu *gpu); |
| 97 | int etna_gpu_get_param(struct etna_gpu *gpu, enum etna_param_id param, |
| 98 | uint64_t *value); |
| 99 | |
| 100 | |
| 101 | /* pipe functions: |
| 102 | */ |
| 103 | |
| 104 | struct etna_pipe *etna_pipe_new(struct etna_gpu *gpu, enum etna_pipe_id id); |
| 105 | void etna_pipe_del(struct etna_pipe *pipe); |
| 106 | int etna_pipe_wait(struct etna_pipe *pipe, uint32_t timestamp, uint32_t ms); |
Christian Gmeiner | d15515a | 2016-11-23 22:09:11 +0100 | [diff] [blame^] | 107 | int etna_pipe_wait_ns(struct etna_pipe *pipe, uint32_t timestamp, uint64_t ns); |
The etnaviv authors | 95e2cc6 | 2016-09-06 18:15:53 +0200 | [diff] [blame] | 108 | |
| 109 | |
| 110 | /* buffer-object functions: |
| 111 | */ |
| 112 | |
| 113 | struct etna_bo *etna_bo_new(struct etna_device *dev, |
| 114 | uint32_t size, uint32_t flags); |
| 115 | struct etna_bo *etna_bo_from_handle(struct etna_device *dev, |
| 116 | uint32_t handle, uint32_t size); |
| 117 | struct etna_bo *etna_bo_from_name(struct etna_device *dev, uint32_t name); |
| 118 | struct etna_bo *etna_bo_from_dmabuf(struct etna_device *dev, int fd); |
| 119 | struct etna_bo *etna_bo_ref(struct etna_bo *bo); |
| 120 | void etna_bo_del(struct etna_bo *bo); |
| 121 | int etna_bo_get_name(struct etna_bo *bo, uint32_t *name); |
| 122 | uint32_t etna_bo_handle(struct etna_bo *bo); |
| 123 | int etna_bo_dmabuf(struct etna_bo *bo); |
| 124 | uint32_t etna_bo_size(struct etna_bo *bo); |
| 125 | void * etna_bo_map(struct etna_bo *bo); |
| 126 | int etna_bo_cpu_prep(struct etna_bo *bo, uint32_t op); |
| 127 | void etna_bo_cpu_fini(struct etna_bo *bo); |
| 128 | |
| 129 | |
| 130 | /* cmd stream functions: |
| 131 | */ |
| 132 | |
| 133 | struct etna_cmd_stream { |
| 134 | uint32_t *buffer; |
| 135 | uint32_t offset; /* in 32-bit words */ |
| 136 | uint32_t size; /* in 32-bit words */ |
| 137 | }; |
| 138 | |
| 139 | struct etna_cmd_stream *etna_cmd_stream_new(struct etna_pipe *pipe, uint32_t size, |
| 140 | void (*reset_notify)(struct etna_cmd_stream *stream, void *priv), |
| 141 | void *priv); |
| 142 | void etna_cmd_stream_del(struct etna_cmd_stream *stream); |
| 143 | uint32_t etna_cmd_stream_timestamp(struct etna_cmd_stream *stream); |
| 144 | void etna_cmd_stream_flush(struct etna_cmd_stream *stream); |
| 145 | void etna_cmd_stream_finish(struct etna_cmd_stream *stream); |
| 146 | |
| 147 | static inline uint32_t etna_cmd_stream_avail(struct etna_cmd_stream *stream) |
| 148 | { |
| 149 | static const uint32_t END_CLEARANCE = 2; /* LINK op code */ |
| 150 | |
| 151 | return stream->size - stream->offset - END_CLEARANCE; |
| 152 | } |
| 153 | |
| 154 | static inline void etna_cmd_stream_reserve(struct etna_cmd_stream *stream, size_t n) |
| 155 | { |
| 156 | if (etna_cmd_stream_avail(stream) < n) |
| 157 | etna_cmd_stream_flush(stream); |
| 158 | } |
| 159 | |
| 160 | static inline void etna_cmd_stream_emit(struct etna_cmd_stream *stream, uint32_t data) |
| 161 | { |
| 162 | stream->buffer[stream->offset++] = data; |
| 163 | } |
| 164 | |
| 165 | static inline uint32_t etna_cmd_stream_get(struct etna_cmd_stream *stream, uint32_t offset) |
| 166 | { |
| 167 | return stream->buffer[offset]; |
| 168 | } |
| 169 | |
| 170 | static inline void etna_cmd_stream_set(struct etna_cmd_stream *stream, uint32_t offset, |
| 171 | uint32_t data) |
| 172 | { |
| 173 | stream->buffer[offset] = data; |
| 174 | } |
| 175 | |
| 176 | static inline uint32_t etna_cmd_stream_offset(struct etna_cmd_stream *stream) |
| 177 | { |
| 178 | return stream->offset; |
| 179 | } |
| 180 | |
| 181 | struct etna_reloc { |
| 182 | struct etna_bo *bo; |
| 183 | #define ETNA_RELOC_READ 0x0001 |
| 184 | #define ETNA_RELOC_WRITE 0x0002 |
| 185 | uint32_t flags; |
| 186 | uint32_t offset; |
| 187 | }; |
| 188 | |
| 189 | void etna_cmd_stream_reloc(struct etna_cmd_stream *stream, const struct etna_reloc *r); |
| 190 | |
| 191 | #endif /* ETNAVIV_DRMIF_H_ */ |