| /* |
| * Copyright (C) 2014-2015 Etnaviv Project |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| * |
| * Authors: |
| * Christian Gmeiner <christian.gmeiner@gmail.com> |
| */ |
| |
| #ifndef ETNAVIV_DRMIF_H_ |
| #define ETNAVIV_DRMIF_H_ |
| |
| #include <xf86drm.h> |
| #include <stdint.h> |
| |
| struct etna_bo; |
| struct etna_pipe; |
| struct etna_gpu; |
| struct etna_device; |
| struct etna_cmd_stream; |
| |
| enum etna_pipe_id { |
| ETNA_PIPE_3D = 0, |
| ETNA_PIPE_2D = 1, |
| ETNA_PIPE_VG = 2, |
| ETNA_PIPE_MAX |
| }; |
| |
| enum etna_param_id { |
| ETNA_GPU_MODEL = 0x1, |
| ETNA_GPU_REVISION = 0x2, |
| ETNA_GPU_FEATURES_0 = 0x3, |
| ETNA_GPU_FEATURES_1 = 0x4, |
| ETNA_GPU_FEATURES_2 = 0x5, |
| ETNA_GPU_FEATURES_3 = 0x6, |
| ETNA_GPU_FEATURES_4 = 0x7, |
| ETNA_GPU_FEATURES_5 = 0x8, |
| ETNA_GPU_FEATURES_6 = 0x9, |
| |
| ETNA_GPU_STREAM_COUNT = 0x10, |
| ETNA_GPU_REGISTER_MAX = 0x11, |
| ETNA_GPU_THREAD_COUNT = 0x12, |
| ETNA_GPU_VERTEX_CACHE_SIZE = 0x13, |
| ETNA_GPU_SHADER_CORE_COUNT = 0x14, |
| ETNA_GPU_PIXEL_PIPES = 0x15, |
| ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE = 0x16, |
| ETNA_GPU_BUFFER_SIZE = 0x17, |
| ETNA_GPU_INSTRUCTION_COUNT = 0x18, |
| ETNA_GPU_NUM_CONSTANTS = 0x19, |
| ETNA_GPU_NUM_VARYINGS = 0x1a |
| }; |
| |
| /* bo flags: */ |
| #define DRM_ETNA_GEM_CACHE_CACHED 0x00010000 |
| #define DRM_ETNA_GEM_CACHE_WC 0x00020000 |
| #define DRM_ETNA_GEM_CACHE_UNCACHED 0x00040000 |
| #define DRM_ETNA_GEM_CACHE_MASK 0x000f0000 |
| /* map flags */ |
| #define DRM_ETNA_GEM_FORCE_MMU 0x00100000 |
| |
| /* bo access flags: (keep aligned to ETNA_PREP_x) */ |
| #define DRM_ETNA_PREP_READ 0x01 |
| #define DRM_ETNA_PREP_WRITE 0x02 |
| #define DRM_ETNA_PREP_NOSYNC 0x04 |
| |
| /* device functions: |
| */ |
| |
| struct etna_device *etna_device_new(int fd); |
| struct etna_device *etna_device_new_dup(int fd); |
| struct etna_device *etna_device_ref(struct etna_device *dev); |
| void etna_device_del(struct etna_device *dev); |
| int etna_device_fd(struct etna_device *dev); |
| |
| /* gpu functions: |
| */ |
| |
| struct etna_gpu *etna_gpu_new(struct etna_device *dev, unsigned int core); |
| void etna_gpu_del(struct etna_gpu *gpu); |
| int etna_gpu_get_param(struct etna_gpu *gpu, enum etna_param_id param, |
| uint64_t *value); |
| |
| |
| /* pipe functions: |
| */ |
| |
| struct etna_pipe *etna_pipe_new(struct etna_gpu *gpu, enum etna_pipe_id id); |
| void etna_pipe_del(struct etna_pipe *pipe); |
| int etna_pipe_wait(struct etna_pipe *pipe, uint32_t timestamp, uint32_t ms); |
| int etna_pipe_wait_ns(struct etna_pipe *pipe, uint32_t timestamp, uint64_t ns); |
| |
| |
| /* buffer-object functions: |
| */ |
| |
| struct etna_bo *etna_bo_new(struct etna_device *dev, |
| uint32_t size, uint32_t flags); |
| struct etna_bo *etna_bo_from_handle(struct etna_device *dev, |
| uint32_t handle, uint32_t size); |
| struct etna_bo *etna_bo_from_name(struct etna_device *dev, uint32_t name); |
| struct etna_bo *etna_bo_from_dmabuf(struct etna_device *dev, int fd); |
| struct etna_bo *etna_bo_ref(struct etna_bo *bo); |
| void etna_bo_del(struct etna_bo *bo); |
| int etna_bo_get_name(struct etna_bo *bo, uint32_t *name); |
| uint32_t etna_bo_handle(struct etna_bo *bo); |
| int etna_bo_dmabuf(struct etna_bo *bo); |
| uint32_t etna_bo_size(struct etna_bo *bo); |
| void * etna_bo_map(struct etna_bo *bo); |
| int etna_bo_cpu_prep(struct etna_bo *bo, uint32_t op); |
| void etna_bo_cpu_fini(struct etna_bo *bo); |
| |
| |
| /* cmd stream functions: |
| */ |
| |
| struct etna_cmd_stream { |
| uint32_t *buffer; |
| uint32_t offset; /* in 32-bit words */ |
| uint32_t size; /* in 32-bit words */ |
| }; |
| |
| struct etna_cmd_stream *etna_cmd_stream_new(struct etna_pipe *pipe, uint32_t size, |
| void (*reset_notify)(struct etna_cmd_stream *stream, void *priv), |
| void *priv); |
| void etna_cmd_stream_del(struct etna_cmd_stream *stream); |
| uint32_t etna_cmd_stream_timestamp(struct etna_cmd_stream *stream); |
| void etna_cmd_stream_flush(struct etna_cmd_stream *stream); |
| void etna_cmd_stream_flush2(struct etna_cmd_stream *stream, int in_fence_fd, |
| int *out_fence_fd); |
| void etna_cmd_stream_finish(struct etna_cmd_stream *stream); |
| |
| static inline uint32_t etna_cmd_stream_avail(struct etna_cmd_stream *stream) |
| { |
| static const uint32_t END_CLEARANCE = 2; /* LINK op code */ |
| |
| return stream->size - stream->offset - END_CLEARANCE; |
| } |
| |
| static inline void etna_cmd_stream_reserve(struct etna_cmd_stream *stream, size_t n) |
| { |
| if (etna_cmd_stream_avail(stream) < n) |
| etna_cmd_stream_flush(stream); |
| } |
| |
| static inline void etna_cmd_stream_emit(struct etna_cmd_stream *stream, uint32_t data) |
| { |
| stream->buffer[stream->offset++] = data; |
| } |
| |
| static inline uint32_t etna_cmd_stream_get(struct etna_cmd_stream *stream, uint32_t offset) |
| { |
| return stream->buffer[offset]; |
| } |
| |
| static inline void etna_cmd_stream_set(struct etna_cmd_stream *stream, uint32_t offset, |
| uint32_t data) |
| { |
| stream->buffer[offset] = data; |
| } |
| |
| static inline uint32_t etna_cmd_stream_offset(struct etna_cmd_stream *stream) |
| { |
| return stream->offset; |
| } |
| |
| struct etna_reloc { |
| struct etna_bo *bo; |
| #define ETNA_RELOC_READ 0x0001 |
| #define ETNA_RELOC_WRITE 0x0002 |
| uint32_t flags; |
| uint32_t offset; |
| }; |
| |
| void etna_cmd_stream_reloc(struct etna_cmd_stream *stream, const struct etna_reloc *r); |
| |
| #endif /* ETNAVIV_DRMIF_H_ */ |