-/*
- * Copyright © 2011 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:
- * Kristian Høgsberg <krh@bitplanet.net>
- * Benjamin Franzke <benjaminfranzke@googlemail.com>
- */
-
-#include <stdio.h>
-#include <string.h>
-
-#include <libudev.h>
-
-#include "gbm_driint.h"
-#define DRIVER_MAP_DRI2_ONLY
-#include "pci_ids/pci_id_driver_map.h"
-
-char *
-dri_fd_get_driver_name(int fd)
-{
- struct udev *udev;
- struct udev_device *device, *parent;
- const char *pci_id;
- char *driver = NULL;
- int vendor_id, chip_id, i, j;
-
- udev = udev_new();
- device = _gbm_udev_device_new_from_fd(udev, fd);
- if (device == NULL)
- return NULL;
-
- parent = udev_device_get_parent(device);
- if (parent == NULL) {
- fprintf(stderr, "gbm: could not get parent device");
- goto out;
- }
-
- pci_id = udev_device_get_property_value(parent, "PCI_ID");
- if (pci_id == NULL ||
- sscanf(pci_id, "%x:%x", &vendor_id, &chip_id) != 2) {
- fprintf(stderr, "gbm: malformed or no PCI ID");
- goto out;
- }
-
- for (i = 0; driver_map[i].driver; i++) {
- if (vendor_id != driver_map[i].vendor_id)
- continue;
- if (driver_map[i].num_chips_ids == -1) {
- driver = strdup(driver_map[i].driver);
- _gbm_log("pci id for %d: %04x:%04x, driver %s",
- fd, vendor_id, chip_id, driver);
- goto out;
- }
-
- for (j = 0; j < driver_map[i].num_chips_ids; j++)
- if (driver_map[i].chip_ids[j] == chip_id) {
- driver = strdup(driver_map[i].driver);
- _gbm_log("pci id for %d: %04x:%04x, driver %s",
- fd, vendor_id, chip_id, driver);
- goto out;
- }
- }
-
-out:
- udev_device_unref(device);
- udev_unref(udev);
-
- return driver;
-}