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 (at) gmail.com> 25 */ 26 27 #ifdef HAVE_CONFIG_H 28 # include <config.h> 29 #endif 30 31 #include "etnaviv_priv.h" 32 #include "etnaviv_drmif.h" 33 34 static uint64_t get_param(struct etna_device *dev, uint32_t core, uint32_t param) 35 { 36 struct drm_etnaviv_param req = { 37 .pipe = core, 38 .param = param, 39 }; 40 int ret; 41 42 ret = drmCommandWriteRead(dev->fd, DRM_ETNAVIV_GET_PARAM, &req, sizeof(req)); 43 if (ret) { 44 ERROR_MSG("get-param (%x) failed! %d (%s)", param, ret, strerror(errno)); 45 return 0; 46 } 47 48 return req.value; 49 } 50 51 struct etna_gpu *etna_gpu_new(struct etna_device *dev, unsigned int core) 52 { 53 struct etna_gpu *gpu; 54 55 gpu = calloc(1, sizeof(*gpu)); 56 if (!gpu) { 57 ERROR_MSG("allocation failed"); 58 goto fail; 59 } 60 61 gpu->dev = dev; 62 gpu->core = core; 63 64 /* get specs from kernel space */ 65 gpu->specs.model = get_param(dev, core, ETNAVIV_PARAM_GPU_MODEL); 66 gpu->specs.revision = get_param(dev, core, ETNAVIV_PARAM_GPU_REVISION); 67 gpu->specs.features[0] = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_0); 68 gpu->specs.features[1] = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_1); 69 gpu->specs.features[2] = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_2); 70 gpu->specs.features[3] = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_3); 71 gpu->specs.features[4] = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_4); 72 gpu->specs.features[5] = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_5); 73 gpu->specs.features[6] = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_6); 74 gpu->specs.stream_count = get_param(dev, core, ETNA_GPU_STREAM_COUNT); 75 gpu->specs.register_max = get_param(dev, core, ETNA_GPU_REGISTER_MAX); 76 gpu->specs.thread_count = get_param(dev, core, ETNA_GPU_THREAD_COUNT); 77 gpu->specs.vertex_cache_size = get_param(dev, core, ETNA_GPU_VERTEX_CACHE_SIZE); 78 gpu->specs.shader_core_count = get_param(dev, core, ETNA_GPU_SHADER_CORE_COUNT); 79 gpu->specs.pixel_pipes = get_param(dev, core, ETNA_GPU_PIXEL_PIPES); 80 gpu->specs.vertex_output_buffer_size = get_param(dev, core, ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE); 81 gpu->specs.buffer_size = get_param(dev, core, ETNA_GPU_BUFFER_SIZE); 82 gpu->specs.instruction_count = get_param(dev, core, ETNA_GPU_INSTRUCTION_COUNT); 83 gpu->specs.num_constants = get_param(dev, core, ETNA_GPU_NUM_CONSTANTS); 84 gpu->specs.num_varyings = get_param(dev, core, ETNA_GPU_NUM_VARYINGS); 85 86 if (!gpu->specs.model) 87 goto fail; 88 89 INFO_MSG(" GPU model: 0x%x (rev %x)", gpu->specs.model, gpu->specs.revision); 90 91 return gpu; 92 fail: 93 if (gpu) 94 etna_gpu_del(gpu); 95 96 return NULL; 97 } 98 99 void etna_gpu_del(struct etna_gpu *gpu) 100 { 101 free(gpu); 102 } 103 104 int etna_gpu_get_param(struct etna_gpu *gpu, enum etna_param_id param, 105 uint64_t *value) 106 { 107 switch(param) { 108 case ETNA_GPU_MODEL: 109 *value = gpu->specs.model; 110 return 0; 111 case ETNA_GPU_REVISION: 112 *value = gpu->specs.revision; 113 return 0; 114 case ETNA_GPU_FEATURES_0: 115 *value = gpu->specs.features[0]; 116 return 0; 117 case ETNA_GPU_FEATURES_1: 118 *value = gpu->specs.features[1]; 119 return 0; 120 case ETNA_GPU_FEATURES_2: 121 *value = gpu->specs.features[2]; 122 return 0; 123 case ETNA_GPU_FEATURES_3: 124 *value = gpu->specs.features[3]; 125 return 0; 126 case ETNA_GPU_FEATURES_4: 127 *value = gpu->specs.features[4]; 128 return 0; 129 case ETNA_GPU_FEATURES_5: 130 *value = gpu->specs.features[5]; 131 return 0; 132 case ETNA_GPU_FEATURES_6: 133 *value = gpu->specs.features[6]; 134 return 0; 135 case ETNA_GPU_STREAM_COUNT: 136 *value = gpu->specs.stream_count; 137 return 0; 138 case ETNA_GPU_REGISTER_MAX: 139 *value = gpu->specs.register_max; 140 return 0; 141 case ETNA_GPU_THREAD_COUNT: 142 *value = gpu->specs.thread_count; 143 return 0; 144 case ETNA_GPU_VERTEX_CACHE_SIZE: 145 *value = gpu->specs.vertex_cache_size; 146 return 0; 147 case ETNA_GPU_SHADER_CORE_COUNT: 148 *value = gpu->specs.shader_core_count; 149 return 0; 150 case ETNA_GPU_PIXEL_PIPES: 151 *value = gpu->specs.pixel_pipes; 152 return 0; 153 case ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE: 154 *value = gpu->specs.vertex_output_buffer_size; 155 return 0; 156 case ETNA_GPU_BUFFER_SIZE: 157 *value = gpu->specs.buffer_size; 158 return 0; 159 case ETNA_GPU_INSTRUCTION_COUNT: 160 *value = gpu->specs.instruction_count; 161 return 0; 162 case ETNA_GPU_NUM_CONSTANTS: 163 *value = gpu->specs.num_constants; 164 return 0; 165 case ETNA_GPU_NUM_VARYINGS: 166 *value = gpu->specs.num_varyings; 167 return 0; 168 169 default: 170 ERROR_MSG("invalid param id: %d", param); 171 return -1; 172 } 173 174 return 0; 175 } 176