etnaviv/etnaviv_gpu.c

   1 /*
   2  * Copyright (C) 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 #include "etnaviv_priv.h"
  28 #include "etnaviv_drmif.h"
  29
  30 static uint64_t get_param(struct etna_device *dev, uint32_t core, uint32_t param)
  31 {
  32         struct drm_etnaviv_param req = {
  33                 .pipe = core,
  34                 .param = param,
  35         };
  36         int ret;
  37
  38         ret = drmCommandWriteRead(dev->fd, DRM_ETNAVIV_GET_PARAM, &req, sizeof(req));
  39         if (ret) {
  40                 ERROR_MSG("get-param (%x) failed! %d (%s)", param, ret, strerror(errno));
  41                 return 0;
  42         }
  43
  44         return req.value;
  45 }
  46
  47 drm_public struct etna_gpu *etna_gpu_new(struct etna_device *dev, unsigned int core)
  48 {
  49         struct etna_gpu *gpu;
  50
  51         gpu = calloc(1, sizeof(*gpu));
  52         if (!gpu) {
  53                 ERROR_MSG("allocation failed");
  54                 goto fail;
  55         }
  56
  57         gpu->dev = dev;
  58         gpu->core = core;
  59
  60         gpu->model      = get_param(dev, core, ETNAVIV_PARAM_GPU_MODEL);
  61         gpu->revision   = get_param(dev, core, ETNAVIV_PARAM_GPU_REVISION);
  62
  63         if (!gpu->model)
  64                 goto fail;
  65
  66         INFO_MSG(" GPU model:          0x%x (rev %x)", gpu->model, gpu->revision);
  67
  68         return gpu;
  69 fail:
  70         if (gpu)
  71                 etna_gpu_del(gpu);
  72
  73         return NULL;
  74 }
  75
  76 drm_public void etna_gpu_del(struct etna_gpu *gpu)
  77 {
  78         free(gpu);
  79 }
  80
  81 drm_public int etna_gpu_get_param(struct etna_gpu *gpu, enum etna_param_id param,
  82                 uint64_t *value)
  83 {
  84         struct etna_device *dev = gpu->dev;
  85         unsigned int core = gpu->core;
  86
  87         switch(param) {
  88         case ETNA_GPU_MODEL:
  89                 *value = gpu->model;
  90                 return 0;
  91         case ETNA_GPU_REVISION:
  92                 *value = gpu->revision;
  93                 return 0;
  94         case ETNA_GPU_FEATURES_0:
  95                 *value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_0);
  96                 return 0;
  97         case ETNA_GPU_FEATURES_1:
  98                 *value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_1);
  99                 return 0;
 100         case ETNA_GPU_FEATURES_2:
 101                 *value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_2);
 102                 return 0;
 103         case ETNA_GPU_FEATURES_3:
 104                 *value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_3);
 105                 return 0;
 106         case ETNA_GPU_FEATURES_4:
 107                 *value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_4);
 108                 return 0;
 109         case ETNA_GPU_FEATURES_5:
 110                 *value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_5);
 111                 return 0;
 112         case ETNA_GPU_FEATURES_6:
 113                 *value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_6);
 114                 return 0;
 115         case ETNA_GPU_STREAM_COUNT:
 116                 *value = get_param(dev, core, ETNA_GPU_STREAM_COUNT);
 117                 return 0;
 118         case ETNA_GPU_REGISTER_MAX:
 119                 *value = get_param(dev, core, ETNA_GPU_REGISTER_MAX);
 120                 return 0;
 121         case ETNA_GPU_THREAD_COUNT:
 122                 *value = get_param(dev, core, ETNA_GPU_THREAD_COUNT);
 123                 return 0;
 124         case ETNA_GPU_VERTEX_CACHE_SIZE:
 125                 *value = get_param(dev, core, ETNA_GPU_VERTEX_CACHE_SIZE);
 126                 return 0;
 127         case ETNA_GPU_SHADER_CORE_COUNT:
 128                 *value = get_param(dev, core, ETNA_GPU_SHADER_CORE_COUNT);
 129                 return 0;
 130         case ETNA_GPU_PIXEL_PIPES:
 131                 *value = get_param(dev, core, ETNA_GPU_PIXEL_PIPES);
 132                 return 0;
 133         case ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE:
 134                 *value = get_param(dev, core, ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE);
 135                 return 0;
 136         case ETNA_GPU_BUFFER_SIZE:
 137                 *value = get_param(dev, core, ETNA_GPU_BUFFER_SIZE);
 138                 return 0;
 139         case ETNA_GPU_INSTRUCTION_COUNT:
 140                 *value = get_param(dev, core, ETNA_GPU_INSTRUCTION_COUNT);
 141                 return 0;
 142         case ETNA_GPU_NUM_CONSTANTS:
 143                 *value = get_param(dev, core, ETNA_GPU_NUM_CONSTANTS);
 144                 return 0;
 145         case ETNA_GPU_NUM_VARYINGS:
 146                 *value = get_param(dev, core, ETNA_GPU_NUM_VARYINGS);
 147                 return 0;
 148
 149         default:
 150                 ERROR_MSG("invalid param id: %d", param);
 151                 return -1;
 152         }
 153
 154         return 0;
 155 }