src/broadcom/common/v3d_device_info.h

   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