1 /*
2  * Copyright © 2016 Broadcom
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
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21  * IN THE SOFTWARE.
22  */
23 
24 #ifndef V3D_CHIP_H
25 #define V3D_CHIP_H
26 
27 #include <stdbool.h>
28 #include <stdint.h>
29 
30 /**
31  * Struct for tracking features of the V3D chip across driver and compiler.
32  */
33 struct v3d_device_info {
34         /** Simple V3D version: major * 10 + minor */
35         uint8_t ver;
36 
37         /** Size of the VPM, in bytes. */
38         int vpm_size;
39 
40         /* NSLC * QUPS from the core's IDENT registers. */
41         int qpu_count;
42 };
43 
44 typedef int (*v3d_ioctl_fun)(int fd, unsigned long request, void *arg);
45 
46 bool
47 v3d_get_device_info(int fd, struct v3d_device_info* devinfo, v3d_ioctl_fun fun);
48 
49 #endif
50