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