etnaviv: detect v4 compression
[mesa.git] / src / etnaviv / drm / 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 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 void etna_gpu_del(struct etna_gpu *gpu)
77 {
78 free(gpu);
79 }
80
81 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_FEATURES_7:
116 *value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_7);
117 return 0;
118 case ETNA_GPU_STREAM_COUNT:
119 *value = get_param(dev, core, ETNA_GPU_STREAM_COUNT);
120 return 0;
121 case ETNA_GPU_REGISTER_MAX:
122 *value = get_param(dev, core, ETNA_GPU_REGISTER_MAX);
123 return 0;
124 case ETNA_GPU_THREAD_COUNT:
125 *value = get_param(dev, core, ETNA_GPU_THREAD_COUNT);
126 return 0;
127 case ETNA_GPU_VERTEX_CACHE_SIZE:
128 *value = get_param(dev, core, ETNA_GPU_VERTEX_CACHE_SIZE);
129 return 0;
130 case ETNA_GPU_SHADER_CORE_COUNT:
131 *value = get_param(dev, core, ETNA_GPU_SHADER_CORE_COUNT);
132 return 0;
133 case ETNA_GPU_PIXEL_PIPES:
134 *value = get_param(dev, core, ETNA_GPU_PIXEL_PIPES);
135 return 0;
136 case ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE:
137 *value = get_param(dev, core, ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE);
138 return 0;
139 case ETNA_GPU_BUFFER_SIZE:
140 *value = get_param(dev, core, ETNA_GPU_BUFFER_SIZE);
141 return 0;
142 case ETNA_GPU_INSTRUCTION_COUNT:
143 *value = get_param(dev, core, ETNA_GPU_INSTRUCTION_COUNT);
144 return 0;
145 case ETNA_GPU_NUM_CONSTANTS:
146 *value = get_param(dev, core, ETNA_GPU_NUM_CONSTANTS);
147 return 0;
148 case ETNA_GPU_NUM_VARYINGS:
149 *value = get_param(dev, core, ETNA_GPU_NUM_VARYINGS);
150 return 0;
151
152 default:
153 ERROR_MSG("invalid param id: %d", param);
154 return -1;
155 }
156
157 return 0;
158 }