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/*
* Copyright © 2008 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Eric Anholt <eric@anholt.net>
*
*/
/** @file util.c
*
* Utility functions for the various tools in the reg_dumper directory.
*/
#include <err.h>
#include <pciaccess.h>
#include "reg_dumper.h"
/**
* Sets up the pI830 for use by common.h-style macros, particularly
* INREG/OUTERG.
*/
void intel_i830rec_init(I830Ptr pI830)
{
struct pci_device *dev;
int err, mmio_bar;
void *mmio;
err = pci_system_init();
if (err != 0) {
fprintf(stderr, "Couldn't initialize PCI system: %s\n", strerror(err));
exit(1);
}
/* Grab the graphics card */
dev = pci_device_find_by_slot(0, 0, 2, 0);
if (dev == NULL)
errx(1, "Couldn't find graphics card");
err = pci_device_probe(dev);
if (err != 0) {
fprintf(stderr, "Couldn't probe graphics card: %s\n", strerror(err));
exit(1);
}
if (dev->vendor_id != 0x8086)
errx(1, "Graphics card is non-intel");
pI830->PciInfo = dev;
mmio_bar = IS_I9XX(pI830) ? 0 : 1;
err = pci_device_map_range (dev,
dev->regions[mmio_bar].base_addr,
dev->regions[mmio_bar].size,
PCI_DEV_MAP_FLAG_WRITABLE,
&mmio);
if (err != 0) {
fprintf(stderr, "Couldn't map MMIO region: %s\n", strerror(err));
exit(1);
}
pI830->mmio = mmio;
}
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