mirror of
https://github.com/tiagovignatti/intel-gpu-tools.git
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90 lines
2.3 KiB
C
90 lines
2.3 KiB
C
/*
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* Copyright © 2008 Intel Corporation
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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
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* DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Eric Anholt <eric@anholt.net>
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*
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*/
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#include <unistd.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <err.h>
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#include <assert.h>
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#include <sys/ioctl.h>
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#include <sys/fcntl.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include "intel_gpu_tools.h"
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enum pch_type pch;
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struct pci_device *
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intel_get_pci_device(void)
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{
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struct pci_device *pci_dev;
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int err;
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err = pci_system_init();
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if (err != 0) {
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fprintf(stderr, "Couldn't initialize PCI system: %s\n",
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strerror(err));
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exit(1);
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}
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/* Grab the graphics card */
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pci_dev = pci_device_find_by_slot(0, 0, 2, 0);
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if (pci_dev == NULL)
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errx(1, "Couldn't find graphics card");
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err = pci_device_probe(pci_dev);
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if (err != 0) {
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fprintf(stderr, "Couldn't probe graphics card: %s\n",
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strerror(err));
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exit(1);
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}
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if (pci_dev->vendor_id != 0x8086)
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errx(1, "Graphics card is non-intel");
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return pci_dev;
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}
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void
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intel_check_pch(void)
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{
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struct pci_device *pch_dev;
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pch_dev = pci_device_find_by_slot(0, 0, 31, 0);
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if (pch_dev == NULL)
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return;
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if (pch_dev->vendor_id == 0x8086 &&
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(((pch_dev->device_id & 0xff00) == 0x1c00) ||
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(pch_dev->device_id & 0xff00) == 0x1e00))
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pch = PCH_CPT;
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}
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