1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/*
* Copyright © 2016 Broadcom
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include "common/v3d_device_info.h"
#include "drm-uapi/v3d_drm.h"
bool
v3d_get_device_info(int fd, struct v3d_device_info* devinfo, v3d_ioctl_fun drm_ioctl) {
struct drm_v3d_get_param ident0 = {
.param = DRM_V3D_PARAM_V3D_CORE0_IDENT0,
};
struct drm_v3d_get_param ident1 = {
.param = DRM_V3D_PARAM_V3D_CORE0_IDENT1,
};
int ret;
ret = drm_ioctl(fd, DRM_IOCTL_V3D_GET_PARAM, &ident0);
if (ret != 0) {
fprintf(stderr, "Couldn't get V3D core IDENT0: %s\n",
strerror(errno));
return false;
}
ret = drm_ioctl(fd, DRM_IOCTL_V3D_GET_PARAM, &ident1);
if (ret != 0) {
fprintf(stderr, "Couldn't get V3D core IDENT1: %s\n",
strerror(errno));
return false;
}
uint32_t major = (ident0.value >> 24) & 0xff;
uint32_t minor = (ident1.value >> 0) & 0xf;
devinfo->ver = major * 10 + minor;
devinfo->vpm_size = (ident1.value >> 28 & 0xf) * 8192;
int nslc = (ident1.value >> 4) & 0xf;
int qups = (ident1.value >> 8) & 0xf;
devinfo->qpu_count = nslc * qups;
switch (devinfo->ver) {
case 33:
case 41:
case 42:
break;
default:
fprintf(stderr,
"V3D %d.%d not supported by this version of Mesa.\n",
devinfo->ver / 10,
devinfo->ver % 10);
return false;
}
return true;
}
|
