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 #ifdef HAVE_CONFIG_H
28 # include <config.h>
29 #endif
30
31 #include "etnaviv_priv.h"
32 #include "etnaviv_drmif.h"
33
get_param(struct etna_device * dev,uint32_t core,uint32_t param)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
etna_gpu_new(struct etna_device * dev,unsigned int core)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
etna_gpu_del(struct etna_gpu * gpu)99 void etna_gpu_del(struct etna_gpu *gpu)
100 {
101 free(gpu);
102 }
103
etna_gpu_get_param(struct etna_gpu * gpu,enum etna_param_id param,uint64_t * value)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