Go to most recent revision | Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4358 | Serge | 1 | /* |
| 2 | * Copyright © 2011 Intel Corporation |
||
| 3 | * |
||
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
||
| 5 | * copy of this software and associated documentation files (the "Software"), |
||
| 6 | * to deal in the Software without restriction, including without limitation |
||
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
||
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
||
| 9 | * Software is furnished to do so, subject to the following conditions: |
||
| 10 | * |
||
| 11 | * The above copyright notice and this permission notice (including the next |
||
| 12 | * paragraph) shall be included in all copies or substantial portions of the |
||
| 13 | * Software. |
||
| 14 | * |
||
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
||
| 16 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
||
| 17 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
||
| 18 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
||
| 19 | * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
||
| 20 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
||
| 21 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
||
| 22 | * DEALINGS IN THE SOFTWARE. |
||
| 23 | * |
||
| 24 | * Authors: |
||
| 25 | * Kristian Høgsberg |
||
| 26 | * Benjamin Franzke |
||
| 27 | */ |
||
| 28 | |||
| 29 | #include |
||
| 30 | #include |
||
| 31 | |||
| 32 | #include |
||
| 33 | |||
| 34 | #include "gbm_driint.h" |
||
| 35 | #define DRIVER_MAP_DRI2_ONLY |
||
| 36 | #include "pci_ids/pci_id_driver_map.h" |
||
| 37 | |||
| 38 | char * |
||
| 39 | dri_fd_get_driver_name(int fd) |
||
| 40 | { |
||
| 41 | struct udev *udev; |
||
| 42 | struct udev_device *device, *parent; |
||
| 43 | const char *pci_id; |
||
| 44 | char *driver = NULL; |
||
| 45 | int vendor_id, chip_id, i, j; |
||
| 46 | |||
| 47 | udev = udev_new(); |
||
| 48 | device = _gbm_udev_device_new_from_fd(udev, fd); |
||
| 49 | if (device == NULL) |
||
| 50 | return NULL; |
||
| 51 | |||
| 52 | parent = udev_device_get_parent(device); |
||
| 53 | if (parent == NULL) { |
||
| 54 | fprintf(stderr, "gbm: could not get parent device"); |
||
| 55 | goto out; |
||
| 56 | } |
||
| 57 | |||
| 58 | pci_id = udev_device_get_property_value(parent, "PCI_ID"); |
||
| 59 | if (pci_id == NULL || |
||
| 60 | sscanf(pci_id, "%x:%x", &vendor_id, &chip_id) != 2) { |
||
| 61 | fprintf(stderr, "gbm: malformed or no PCI ID"); |
||
| 62 | goto out; |
||
| 63 | } |
||
| 64 | |||
| 65 | for (i = 0; driver_map[i].driver; i++) { |
||
| 66 | if (vendor_id != driver_map[i].vendor_id) |
||
| 67 | continue; |
||
| 68 | if (driver_map[i].num_chips_ids == -1) { |
||
| 69 | driver = strdup(driver_map[i].driver); |
||
| 70 | _gbm_log("pci id for %d: %04x:%04x, driver %s", |
||
| 71 | fd, vendor_id, chip_id, driver); |
||
| 72 | goto out; |
||
| 73 | } |
||
| 74 | |||
| 75 | for (j = 0; j < driver_map[i].num_chips_ids; j++) |
||
| 76 | if (driver_map[i].chip_ids[j] == chip_id) { |
||
| 77 | driver = strdup(driver_map[i].driver); |
||
| 78 | _gbm_log("pci id for %d: %04x:%04x, driver %s", |
||
| 79 | fd, vendor_id, chip_id, driver); |
||
| 80 | goto out; |
||
| 81 | } |
||
| 82 | } |
||
| 83 | |||
| 84 | out: |
||
| 85 | udev_device_unref(device); |
||
| 86 | udev_unref(udev); |
||
| 87 | |||
| 88 | return driver; |
||
| 89 | } |