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