| 0,0 → 1,89 |
|---|
| /* |
| * 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; |
| } |