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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/drmP.h>
11#include <drm/drm_crtc_helper.h>
12#include "udl_drv.h"
13
14static int udl_driver_set_busid(struct drm_device *d, struct drm_master *m)
15{
16 return 0;
17}
18
19static const struct vm_operations_struct udl_gem_vm_ops = {
20 .fault = udl_gem_fault,
21 .open = drm_gem_vm_open,
22 .close = drm_gem_vm_close,
23};
24
25static const struct file_operations udl_driver_fops = {
26 .owner = THIS_MODULE,
27 .open = drm_open,
28 .mmap = udl_drm_gem_mmap,
29 .poll = drm_poll,
30 .read = drm_read,
31 .unlocked_ioctl = drm_ioctl,
32 .release = drm_release,
33#ifdef CONFIG_COMPAT
34 .compat_ioctl = drm_compat_ioctl,
35#endif
36 .llseek = noop_llseek,
37};
38
39static struct drm_driver driver = {
40 .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME,
41 .load = udl_driver_load,
42 .unload = udl_driver_unload,
43 .set_busid = udl_driver_set_busid,
44
45 /* gem hooks */
46 .gem_free_object = udl_gem_free_object,
47 .gem_vm_ops = &udl_gem_vm_ops,
48
49 .dumb_create = udl_dumb_create,
50 .dumb_map_offset = udl_gem_mmap,
51 .dumb_destroy = drm_gem_dumb_destroy,
52 .fops = &udl_driver_fops,
53
54 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
55 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
56 .gem_prime_export = udl_gem_prime_export,
57 .gem_prime_import = udl_gem_prime_import,
58
59 .name = DRIVER_NAME,
60 .desc = DRIVER_DESC,
61 .date = DRIVER_DATE,
62 .major = DRIVER_MAJOR,
63 .minor = DRIVER_MINOR,
64 .patchlevel = DRIVER_PATCHLEVEL,
65};
66
67static int udl_usb_probe(struct usb_interface *interface,
68 const struct usb_device_id *id)
69{
70 struct usb_device *udev = interface_to_usbdev(interface);
71 struct drm_device *dev;
72 int r;
73
74 dev = drm_dev_alloc(&driver, &interface->dev);
75 if (!dev)
76 return -ENOMEM;
77
78 r = drm_dev_register(dev, (unsigned long)udev);
79 if (r)
80 goto err_free;
81
82 usb_set_intfdata(interface, dev);
83 DRM_INFO("Initialized udl on minor %d\n", dev->primary->index);
84
85 return 0;
86
87err_free:
88 drm_dev_unref(dev);
89 return r;
90}
91
92static void udl_usb_disconnect(struct usb_interface *interface)
93{
94 struct drm_device *dev = usb_get_intfdata(interface);
95
96 drm_kms_helper_poll_disable(dev);
97 drm_connector_unplug_all(dev);
98 udl_fbdev_unplug(dev);
99 udl_drop_usb(dev);
100 drm_unplug_dev(dev);
101}
102
103/*
104 * There are many DisplayLink-based graphics products, all with unique PIDs.
105 * So we match on DisplayLink's VID + Vendor-Defined Interface Class (0xff)
106 * We also require a match on SubClass (0x00) and Protocol (0x00),
107 * which is compatible with all known USB 2.0 era graphics chips and firmware,
108 * but allows DisplayLink to increment those for any future incompatible chips
109 */
110static struct usb_device_id id_table[] = {
111 {.idVendor = 0x17e9, .bInterfaceClass = 0xff,
112 .bInterfaceSubClass = 0x00,
113 .bInterfaceProtocol = 0x00,
114 .match_flags = USB_DEVICE_ID_MATCH_VENDOR |
115 USB_DEVICE_ID_MATCH_INT_CLASS |
116 USB_DEVICE_ID_MATCH_INT_SUBCLASS |
117 USB_DEVICE_ID_MATCH_INT_PROTOCOL,},
118 {},
119};
120MODULE_DEVICE_TABLE(usb, id_table);
121
122static struct usb_driver udl_driver = {
123 .name = "udl",
124 .probe = udl_usb_probe,
125 .disconnect = udl_usb_disconnect,
126 .id_table = id_table,
127};
128module_usb_driver(udl_driver);
129MODULE_LICENSE("GPL");
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/drmP.h>
11#include <drm/drm_crtc_helper.h>
12#include "udl_drv.h"
13
14static int udl_driver_set_busid(struct drm_device *d, struct drm_master *m)
15{
16 return 0;
17}
18
19static int udl_usb_suspend(struct usb_interface *interface,
20 pm_message_t message)
21{
22 return 0;
23}
24
25static int udl_usb_resume(struct usb_interface *interface)
26{
27 struct drm_device *dev = usb_get_intfdata(interface);
28
29 udl_modeset_restore(dev);
30 return 0;
31}
32
33static const struct vm_operations_struct udl_gem_vm_ops = {
34 .fault = udl_gem_fault,
35 .open = drm_gem_vm_open,
36 .close = drm_gem_vm_close,
37};
38
39static const struct file_operations udl_driver_fops = {
40 .owner = THIS_MODULE,
41 .open = drm_open,
42 .mmap = udl_drm_gem_mmap,
43 .poll = drm_poll,
44 .read = drm_read,
45 .unlocked_ioctl = drm_ioctl,
46 .release = drm_release,
47 .compat_ioctl = drm_compat_ioctl,
48 .llseek = noop_llseek,
49};
50
51static struct drm_driver driver = {
52 .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_PRIME,
53 .load = udl_driver_load,
54 .unload = udl_driver_unload,
55 .set_busid = udl_driver_set_busid,
56
57 /* gem hooks */
58 .gem_free_object = udl_gem_free_object,
59 .gem_vm_ops = &udl_gem_vm_ops,
60
61 .dumb_create = udl_dumb_create,
62 .dumb_map_offset = udl_gem_mmap,
63 .dumb_destroy = drm_gem_dumb_destroy,
64 .fops = &udl_driver_fops,
65
66 .prime_handle_to_fd = drm_gem_prime_handle_to_fd,
67 .prime_fd_to_handle = drm_gem_prime_fd_to_handle,
68 .gem_prime_export = udl_gem_prime_export,
69 .gem_prime_import = udl_gem_prime_import,
70
71 .name = DRIVER_NAME,
72 .desc = DRIVER_DESC,
73 .date = DRIVER_DATE,
74 .major = DRIVER_MAJOR,
75 .minor = DRIVER_MINOR,
76 .patchlevel = DRIVER_PATCHLEVEL,
77};
78
79static int udl_usb_probe(struct usb_interface *interface,
80 const struct usb_device_id *id)
81{
82 struct usb_device *udev = interface_to_usbdev(interface);
83 struct drm_device *dev;
84 int r;
85
86 dev = drm_dev_alloc(&driver, &interface->dev);
87 if (IS_ERR(dev))
88 return PTR_ERR(dev);
89
90 r = drm_dev_register(dev, (unsigned long)udev);
91 if (r)
92 goto err_free;
93
94 usb_set_intfdata(interface, dev);
95 DRM_INFO("Initialized udl on minor %d\n", dev->primary->index);
96
97 return 0;
98
99err_free:
100 drm_dev_unref(dev);
101 return r;
102}
103
104static void udl_usb_disconnect(struct usb_interface *interface)
105{
106 struct drm_device *dev = usb_get_intfdata(interface);
107
108 drm_kms_helper_poll_disable(dev);
109 udl_fbdev_unplug(dev);
110 udl_drop_usb(dev);
111 drm_unplug_dev(dev);
112}
113
114/*
115 * There are many DisplayLink-based graphics products, all with unique PIDs.
116 * So we match on DisplayLink's VID + Vendor-Defined Interface Class (0xff)
117 * We also require a match on SubClass (0x00) and Protocol (0x00),
118 * which is compatible with all known USB 2.0 era graphics chips and firmware,
119 * but allows DisplayLink to increment those for any future incompatible chips
120 */
121static struct usb_device_id id_table[] = {
122 {.idVendor = 0x17e9, .bInterfaceClass = 0xff,
123 .bInterfaceSubClass = 0x00,
124 .bInterfaceProtocol = 0x00,
125 .match_flags = USB_DEVICE_ID_MATCH_VENDOR |
126 USB_DEVICE_ID_MATCH_INT_CLASS |
127 USB_DEVICE_ID_MATCH_INT_SUBCLASS |
128 USB_DEVICE_ID_MATCH_INT_PROTOCOL,},
129 {},
130};
131MODULE_DEVICE_TABLE(usb, id_table);
132
133static struct usb_driver udl_driver = {
134 .name = "udl",
135 .probe = udl_usb_probe,
136 .disconnect = udl_usb_disconnect,
137 .suspend = udl_usb_suspend,
138 .resume = udl_usb_resume,
139 .id_table = id_table,
140};
141module_usb_driver(udl_driver);
142MODULE_LICENSE("GPL");