etnaviv/etnaviv_drmif.h

   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 struct etna_perfmon;
  39 struct etna_perfmon_domain;
  40 struct etna_perfmon_signal;
  41
  42 enum etna_pipe_id {
  43         ETNA_PIPE_3D = 0,
  44         ETNA_PIPE_2D = 1,
  45         ETNA_PIPE_VG = 2,
  46         ETNA_PIPE_MAX
  47 };
  48
  49 enum etna_param_id {
  50         ETNA_GPU_MODEL                     = 0x1,
  51         ETNA_GPU_REVISION                  = 0x2,
  52         ETNA_GPU_FEATURES_0                = 0x3,
  53         ETNA_GPU_FEATURES_1                = 0x4,
  54         ETNA_GPU_FEATURES_2                = 0x5,
  55         ETNA_GPU_FEATURES_3                = 0x6,
  56         ETNA_GPU_FEATURES_4                = 0x7,
  57         ETNA_GPU_FEATURES_5                = 0x8,
  58         ETNA_GPU_FEATURES_6                = 0x9,
  59
  60         ETNA_GPU_STREAM_COUNT              = 0x10,
  61         ETNA_GPU_REGISTER_MAX              = 0x11,
  62         ETNA_GPU_THREAD_COUNT              = 0x12,
  63         ETNA_GPU_VERTEX_CACHE_SIZE         = 0x13,
  64         ETNA_GPU_SHADER_CORE_COUNT         = 0x14,
  65         ETNA_GPU_PIXEL_PIPES               = 0x15,
  66         ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE = 0x16,
  67         ETNA_GPU_BUFFER_SIZE               = 0x17,
  68         ETNA_GPU_INSTRUCTION_COUNT         = 0x18,
  69         ETNA_GPU_NUM_CONSTANTS             = 0x19,
  70         ETNA_GPU_NUM_VARYINGS              = 0x1a
  71 };
  72
  73 /* bo flags: */
  74 #define DRM_ETNA_GEM_CACHE_CACHED       0x00010000
  75 #define DRM_ETNA_GEM_CACHE_WC           0x00020000
  76 #define DRM_ETNA_GEM_CACHE_UNCACHED     0x00040000
  77 #define DRM_ETNA_GEM_CACHE_MASK         0x000f0000
  78 /* map flags */
  79 #define DRM_ETNA_GEM_FORCE_MMU          0x00100000
  80
  81 /* bo access flags: (keep aligned to ETNA_PREP_x) */
  82 #define DRM_ETNA_PREP_READ              0x01
  83 #define DRM_ETNA_PREP_WRITE             0x02
  84 #define DRM_ETNA_PREP_NOSYNC            0x04
  85
  86 /* device functions:
  87  */
  88
  89 struct etna_device *etna_device_new(int fd);
  90 struct etna_device *etna_device_new_dup(int fd);
  91 struct etna_device *etna_device_ref(struct etna_device *dev);
  92 void etna_device_del(struct etna_device *dev);
  93 int etna_device_fd(struct etna_device *dev);
  94
  95 /* gpu functions:
  96  */
  97
  98 struct etna_gpu *etna_gpu_new(struct etna_device *dev, unsigned int core);
  99 void etna_gpu_del(struct etna_gpu *gpu);
 100 int etna_gpu_get_param(struct etna_gpu *gpu, enum etna_param_id param,
 101                 uint64_t *value);
 102
 103
 104 /* pipe functions:
 105  */
 106
 107 struct etna_pipe *etna_pipe_new(struct etna_gpu *gpu, enum etna_pipe_id id);
 108 void etna_pipe_del(struct etna_pipe *pipe);
 109 int etna_pipe_wait(struct etna_pipe *pipe, uint32_t timestamp, uint32_t ms);
 110 int etna_pipe_wait_ns(struct etna_pipe *pipe, uint32_t timestamp, uint64_t ns);
 111
 112
 113 /* buffer-object functions:
 114  */
 115
 116 struct etna_bo *etna_bo_new(struct etna_device *dev,
 117                 uint32_t size, uint32_t flags);
 118 struct etna_bo *etna_bo_from_name(struct etna_device *dev, uint32_t name);
 119 struct etna_bo *etna_bo_from_dmabuf(struct etna_device *dev, int fd);
 120 struct etna_bo *etna_bo_ref(struct etna_bo *bo);
 121 void etna_bo_del(struct etna_bo *bo);
 122 int etna_bo_get_name(struct etna_bo *bo, uint32_t *name);
 123 uint32_t etna_bo_handle(struct etna_bo *bo);
 124 int etna_bo_dmabuf(struct etna_bo *bo);
 125 uint32_t etna_bo_size(struct etna_bo *bo);
 126 void * etna_bo_map(struct etna_bo *bo);
 127 int etna_bo_cpu_prep(struct etna_bo *bo, uint32_t op);
 128 void etna_bo_cpu_fini(struct etna_bo *bo);
 129
 130
 131 /* cmd stream functions:
 132  */
 133
 134 struct etna_cmd_stream {
 135         uint32_t *buffer;
 136         uint32_t offset;        /* in 32-bit words */
 137         uint32_t size;          /* in 32-bit words */
 138 };
 139
 140 struct etna_cmd_stream *etna_cmd_stream_new(struct etna_pipe *pipe, uint32_t size,
 141                 void (*reset_notify)(struct etna_cmd_stream *stream, void *priv),
 142                 void *priv);
 143 void etna_cmd_stream_del(struct etna_cmd_stream *stream);
 144 uint32_t etna_cmd_stream_timestamp(struct etna_cmd_stream *stream);
 145 void etna_cmd_stream_flush(struct etna_cmd_stream *stream);
 146 void etna_cmd_stream_flush2(struct etna_cmd_stream *stream, int in_fence_fd,
 147                             int *out_fence_fd);
 148 void etna_cmd_stream_finish(struct etna_cmd_stream *stream);
 149
 150 static inline uint32_t etna_cmd_stream_avail(struct etna_cmd_stream *stream)
 151 {
 152         static const uint32_t END_CLEARANCE = 2; /* LINK op code */
 153
 154         return stream->size - stream->offset - END_CLEARANCE;
 155 }
 156
 157 static inline void etna_cmd_stream_reserve(struct etna_cmd_stream *stream, size_t n)
 158 {
 159         if (etna_cmd_stream_avail(stream) < n)
 160                 etna_cmd_stream_flush(stream);
 161 }
 162
 163 static inline void etna_cmd_stream_emit(struct etna_cmd_stream *stream, uint32_t data)
 164 {
 165         stream->buffer[stream->offset++] = data;
 166 }
 167
 168 static inline uint32_t etna_cmd_stream_get(struct etna_cmd_stream *stream, uint32_t offset)
 169 {
 170         return stream->buffer[offset];
 171 }
 172
 173 static inline void etna_cmd_stream_set(struct etna_cmd_stream *stream, uint32_t offset,
 174                 uint32_t data)
 175 {
 176         stream->buffer[offset] = data;
 177 }
 178
 179 static inline uint32_t etna_cmd_stream_offset(struct etna_cmd_stream *stream)
 180 {
 181         return stream->offset;
 182 }
 183
 184 struct etna_reloc {
 185         struct etna_bo *bo;
 186 #define ETNA_RELOC_READ             0x0001
 187 #define ETNA_RELOC_WRITE            0x0002
 188         uint32_t flags;
 189         uint32_t offset;
 190 };
 191
 192 void etna_cmd_stream_reloc(struct etna_cmd_stream *stream, const struct etna_reloc *r);
 193
 194 /* performance monitoring functions:
 195  */
 196
 197 struct etna_perfmon *etna_perfmon_create(struct etna_pipe *pipe);
 198 void etna_perfmon_del(struct etna_perfmon *perfmon);
 199 struct etna_perfmon_domain *etna_perfmon_get_dom_by_name(struct etna_perfmon *pm, const char *name);
 200 struct etna_perfmon_signal *etna_perfmon_get_sig_by_name(struct etna_perfmon_domain *dom, const char *name);
 201
 202 struct etna_perf {
 203 #define ETNA_PM_PROCESS_PRE             0x0001
 204 #define ETNA_PM_PROCESS_POST            0x0002
 205         uint32_t flags;
 206         uint32_t sequence;
 207         struct etna_perfmon_signal *signal;
 208         struct etna_bo *bo;
 209         uint32_t offset;
 210 };
 211
 212 void etna_cmd_stream_perf(struct etna_cmd_stream *stream, const struct etna_perf *p);
 213
 214 #endif /* ETNAVIV_DRMIF_H_ */