| Dave Airlie | f9aa76a | 2012-04-17 14:12:29 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 Red Hat <mjg@redhat.com> |
| 3 | * |
| 4 | * This file is subject to the terms and conditions of the GNU General |
| 5 | * Public License version 2. See the file COPYING in the main |
| 6 | * directory of this archive for more details. |
| 7 | * |
| 8 | * Authors: Matthew Garrett |
| 9 | * Dave Airlie |
| 10 | */ |
| 11 | #include <linux/module.h> |
| 12 | #include <linux/console.h> |
| 13 | #include "drmP.h" |
| 14 | #include "drm.h" |
| 15 | |
| 16 | #include "cirrus_drv.h" |
| 17 | |
| 18 | int cirrus_modeset = -1; |
| 19 | |
| 20 | MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); |
| 21 | module_param_named(modeset, cirrus_modeset, int, 0400); |
| 22 | |
| 23 | /* |
| 24 | * This is the generic driver code. This binds the driver to the drm core, |
| 25 | * which then performs further device association and calls our graphics init |
| 26 | * functions |
| 27 | */ |
| 28 | |
| 29 | static struct drm_driver driver; |
| 30 | |
| 31 | /* only bind to the cirrus chip in qemu */ |
| 32 | static DEFINE_PCI_DEVICE_TABLE(pciidlist) = { |
| 33 | { PCI_VENDOR_ID_CIRRUS, PCI_DEVICE_ID_CIRRUS_5446, 0x1af4, 0x1100, 0, |
| 34 | 0, 0 }, |
| 35 | {0,} |
| 36 | }; |
| 37 | |
| 38 | static int __devinit |
| 39 | cirrus_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) |
| 40 | { |
| 41 | return drm_get_pci_dev(pdev, ent, &driver); |
| 42 | } |
| 43 | |
| 44 | static void cirrus_pci_remove(struct pci_dev *pdev) |
| 45 | { |
| 46 | struct drm_device *dev = pci_get_drvdata(pdev); |
| 47 | |
| 48 | drm_put_dev(dev); |
| 49 | } |
| 50 | |
| 51 | static const struct file_operations cirrus_driver_fops = { |
| 52 | .owner = THIS_MODULE, |
| 53 | .open = drm_open, |
| 54 | .release = drm_release, |
| 55 | .unlocked_ioctl = drm_ioctl, |
| 56 | .mmap = cirrus_mmap, |
| 57 | .poll = drm_poll, |
| 58 | .fasync = drm_fasync, |
| 59 | }; |
| 60 | static struct drm_driver driver = { |
| 61 | .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_USE_MTRR, |
| 62 | .load = cirrus_driver_load, |
| 63 | .unload = cirrus_driver_unload, |
| 64 | .fops = &cirrus_driver_fops, |
| 65 | .name = DRIVER_NAME, |
| 66 | .desc = DRIVER_DESC, |
| 67 | .date = DRIVER_DATE, |
| 68 | .major = DRIVER_MAJOR, |
| 69 | .minor = DRIVER_MINOR, |
| 70 | .patchlevel = DRIVER_PATCHLEVEL, |
| 71 | .gem_init_object = cirrus_gem_init_object, |
| 72 | .gem_free_object = cirrus_gem_free_object, |
| 73 | .dumb_create = cirrus_dumb_create, |
| 74 | .dumb_map_offset = cirrus_dumb_mmap_offset, |
| 75 | .dumb_destroy = cirrus_dumb_destroy, |
| 76 | }; |
| 77 | |
| 78 | static struct pci_driver cirrus_pci_driver = { |
| 79 | .name = DRIVER_NAME, |
| 80 | .id_table = pciidlist, |
| 81 | .probe = cirrus_pci_probe, |
| 82 | .remove = cirrus_pci_remove, |
| 83 | }; |
| 84 | |
| 85 | static int __init cirrus_init(void) |
| 86 | { |
| 87 | if (vgacon_text_force() && cirrus_modeset == -1) |
| 88 | return -EINVAL; |
| 89 | |
| 90 | if (cirrus_modeset == 0) |
| 91 | return -EINVAL; |
| 92 | return drm_pci_init(&driver, &cirrus_pci_driver); |
| 93 | } |
| 94 | |
| 95 | static void __exit cirrus_exit(void) |
| 96 | { |
| 97 | drm_pci_exit(&driver, &cirrus_pci_driver); |
| 98 | } |
| 99 | |
| 100 | module_init(cirrus_init); |
| 101 | module_exit(cirrus_exit); |
| 102 | |
| 103 | MODULE_DEVICE_TABLE(pci, pciidlist); |
| 104 | MODULE_AUTHOR(DRIVER_AUTHOR); |
| 105 | MODULE_DESCRIPTION(DRIVER_DESC); |
| 106 | MODULE_LICENSE("GPL"); |