etnaviv_gpu.c revision d8807b2f 
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
34static 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
51struct 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	gpu->model    	= get_param(dev, core, ETNAVIV_PARAM_GPU_MODEL);
65	gpu->revision 	= get_param(dev, core, ETNAVIV_PARAM_GPU_REVISION);
66
67	if (!gpu->model)
68		goto fail;
69
70	INFO_MSG(" GPU model:          0x%x (rev %x)", gpu->model, gpu->revision);
71
72	return gpu;
73fail:
74	if (gpu)
75		etna_gpu_del(gpu);
76
77	return NULL;
78}
79
80void etna_gpu_del(struct etna_gpu *gpu)
81{
82	free(gpu);
83}
84
85int etna_gpu_get_param(struct etna_gpu *gpu, enum etna_param_id param,
86		uint64_t *value)
87{
88	struct etna_device *dev = gpu->dev;
89	unsigned int core = gpu->core;
90
91	switch(param) {
92	case ETNA_GPU_MODEL:
93		*value = gpu->model;
94		return 0;
95	case ETNA_GPU_REVISION:
96		*value = gpu->revision;
97		return 0;
98	case ETNA_GPU_FEATURES_0:
99		*value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_0);
100		return 0;
101	case ETNA_GPU_FEATURES_1:
102		*value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_1);
103		return 0;
104	case ETNA_GPU_FEATURES_2:
105		*value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_2);
106		return 0;
107	case ETNA_GPU_FEATURES_3:
108		*value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_3);
109		return 0;
110	case ETNA_GPU_FEATURES_4:
111		*value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_4);
112		return 0;
113	case ETNA_GPU_FEATURES_5:
114		*value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_5);
115		return 0;
116	case ETNA_GPU_FEATURES_6:
117		*value = get_param(dev, core, ETNAVIV_PARAM_GPU_FEATURES_6);
118		return 0;
119	case ETNA_GPU_STREAM_COUNT:
120		*value = get_param(dev, core, ETNA_GPU_STREAM_COUNT);
121		return 0;
122	case ETNA_GPU_REGISTER_MAX:
123		*value = get_param(dev, core, ETNA_GPU_REGISTER_MAX);
124		return 0;
125	case ETNA_GPU_THREAD_COUNT:
126		*value = get_param(dev, core, ETNA_GPU_THREAD_COUNT);
127		return 0;
128	case ETNA_GPU_VERTEX_CACHE_SIZE:
129		*value = get_param(dev, core, ETNA_GPU_VERTEX_CACHE_SIZE);
130		return 0;
131	case ETNA_GPU_SHADER_CORE_COUNT:
132		*value = get_param(dev, core, ETNA_GPU_SHADER_CORE_COUNT);
133		return 0;
134	case ETNA_GPU_PIXEL_PIPES:
135		*value = get_param(dev, core, ETNA_GPU_PIXEL_PIPES);
136		return 0;
137	case ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE:
138		*value = get_param(dev, core, ETNA_GPU_VERTEX_OUTPUT_BUFFER_SIZE);
139		return 0;
140	case ETNA_GPU_BUFFER_SIZE:
141		*value = get_param(dev, core, ETNA_GPU_BUFFER_SIZE);
142		return 0;
143	case ETNA_GPU_INSTRUCTION_COUNT:
144		*value = get_param(dev, core, ETNA_GPU_INSTRUCTION_COUNT);
145		return 0;
146	case ETNA_GPU_NUM_CONSTANTS:
147		*value = get_param(dev, core, ETNA_GPU_NUM_CONSTANTS);
148		return 0;
149	case ETNA_GPU_NUM_VARYINGS:
150		*value = get_param(dev, core, ETNA_GPU_NUM_VARYINGS);
151		return 0;
152
153	default:
154		ERROR_MSG("invalid param id: %d", param);
155		return -1;
156	}
157
158	return 0;
159}
160