80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
/*
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* Copyright © 2016 Broadcom
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <errno.h>
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#include <stdio.h>
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#include <string.h>
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#include "common/v3d_device_info.h"
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#include "drm-uapi/v3d_drm.h"
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bool
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v3d_get_device_info(int fd, struct v3d_device_info* devinfo, v3d_ioctl_fun drm_ioctl) {
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struct drm_v3d_get_param ident0 = {
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.param = DRM_V3D_PARAM_V3D_CORE0_IDENT0,
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};
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struct drm_v3d_get_param ident1 = {
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.param = DRM_V3D_PARAM_V3D_CORE0_IDENT1,
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};
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int ret;
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ret = drm_ioctl(fd, DRM_IOCTL_V3D_GET_PARAM, &ident0);
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if (ret != 0) {
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fprintf(stderr, "Couldn't get V3D core IDENT0: %s\n",
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strerror(errno));
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return false;
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}
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ret = drm_ioctl(fd, DRM_IOCTL_V3D_GET_PARAM, &ident1);
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if (ret != 0) {
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fprintf(stderr, "Couldn't get V3D core IDENT1: %s\n",
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strerror(errno));
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return false;
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}
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uint32_t major = (ident0.value >> 24) & 0xff;
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uint32_t minor = (ident1.value >> 0) & 0xf;
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devinfo->ver = major * 10 + minor;
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devinfo->vpm_size = (ident1.value >> 28 & 0xf) * 8192;
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int nslc = (ident1.value >> 4) & 0xf;
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int qups = (ident1.value >> 8) & 0xf;
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devinfo->qpu_count = nslc * qups;
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switch (devinfo->ver) {
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case 33:
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case 41:
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case 42:
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break;
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default:
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fprintf(stderr,
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"V3D %d.%d not supported by this version of Mesa.\n",
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devinfo->ver / 10,
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devinfo->ver % 10);
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return false;
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}
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return true;
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}
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