1 /* 2 * Copyright (C) 2012 Red Hat 3 * 4 * This file is subject to the terms and conditions of the GNU General Public 5 * License v2. See the file COPYING in the main directory of this archive for 6 * more details. 7 */ 8 9 #include <linux/module.h> 10 #include "drm_usb.h" 11 #include "drm_crtc_helper.h" 12 #include "udl_drv.h" 13 14 static struct drm_driver driver; 15 16 static struct usb_device_id id_table[] = { 17 {.idVendor = 0x17e9, .match_flags = USB_DEVICE_ID_MATCH_VENDOR,}, 18 {}, 19 }; 20 MODULE_DEVICE_TABLE(usb, id_table); 21 22 MODULE_LICENSE("GPL"); 23 24 static int udl_usb_probe(struct usb_interface *interface, 25 const struct usb_device_id *id) 26 { 27 return drm_get_usb_dev(interface, id, &driver); 28 } 29 30 static void udl_usb_disconnect(struct usb_interface *interface) 31 { 32 struct drm_device *dev = usb_get_intfdata(interface); 33 34 drm_kms_helper_poll_disable(dev); 35 drm_connector_unplug_all(dev); 36 udl_fbdev_unplug(dev); 37 udl_drop_usb(dev); 38 drm_unplug_dev(dev); 39 } 40 41 static struct vm_operations_struct udl_gem_vm_ops = { 42 .fault = udl_gem_fault, 43 .open = drm_gem_vm_open, 44 .close = drm_gem_vm_close, 45 }; 46 47 static const struct file_operations udl_driver_fops = { 48 .owner = THIS_MODULE, 49 .open = drm_open, 50 .mmap = udl_drm_gem_mmap, 51 .poll = drm_poll, 52 .read = drm_read, 53 .unlocked_ioctl = drm_ioctl, 54 .release = drm_release, 55 .fasync = drm_fasync, 56 .llseek = noop_llseek, 57 }; 58 59 static struct drm_driver driver = { 60 .driver_features = DRIVER_MODESET | DRIVER_GEM, 61 .load = udl_driver_load, 62 .unload = udl_driver_unload, 63 64 /* gem hooks */ 65 .gem_init_object = udl_gem_init_object, 66 .gem_free_object = udl_gem_free_object, 67 .gem_vm_ops = &udl_gem_vm_ops, 68 69 .dumb_create = udl_dumb_create, 70 .dumb_map_offset = udl_gem_mmap, 71 .dumb_destroy = udl_dumb_destroy, 72 .fops = &udl_driver_fops, 73 .name = DRIVER_NAME, 74 .desc = DRIVER_DESC, 75 .date = DRIVER_DATE, 76 .major = DRIVER_MAJOR, 77 .minor = DRIVER_MINOR, 78 .patchlevel = DRIVER_PATCHLEVEL, 79 }; 80 81 static struct usb_driver udl_driver = { 82 .name = "udl", 83 .probe = udl_usb_probe, 84 .disconnect = udl_usb_disconnect, 85 .id_table = id_table, 86 }; 87 88 static int __init udl_init(void) 89 { 90 return drm_usb_init(&driver, &udl_driver); 91 } 92 93 static void __exit udl_exit(void) 94 { 95 drm_usb_exit(&driver, &udl_driver); 96 } 97 98 module_init(udl_init); 99 module_exit(udl_exit); 100