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authorDave Airlie <airlied@gmail.com>2010-12-15 07:13:55 +1000
committerDave Airlie <airlied@redhat.com>2011-02-07 13:09:42 +1000
commita250b9fdc53a286d32e22f21170382a46b3a3ef5 (patch)
tree46bca176ce307f951d3e154b7a41ddd43fdee0ac /include/drm
parent8410ea3b95d105a5be5db501656f44bbb91197c1 (diff)
downloadop-kernel-dev-a250b9fdc53a286d32e22f21170382a46b3a3ef5.zip
op-kernel-dev-a250b9fdc53a286d32e22f21170382a46b3a3ef5.tar.gz
drm: add usb framework
This adds an initial framework to plug USB graphics devices into the drm/kms subsystem. I've started writing a displaylink driver using this interface. Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'include/drm')
-rw-r--r--include/drm/drmP.h2
-rw-r--r--include/drm/drm_usb.h15
2 files changed, 17 insertions, 0 deletions
diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index a99aefb..52a2fd2 100644
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -925,6 +925,7 @@ struct drm_driver {
union {
struct pci_driver *pci;
struct platform_device *platform_device;
+ struct usb_driver *usb;
} kdriver;
struct drm_bus *bus;
@@ -1130,6 +1131,7 @@ struct drm_device {
#endif
struct platform_device *platformdev; /**< Platform device struture */
+ struct usb_device *usbdev;
struct drm_sg_mem *sg; /**< Scatter gather memory */
int num_crtcs; /**< Number of CRTCs on this device */
diff --git a/include/drm/drm_usb.h b/include/drm/drm_usb.h
new file mode 100644
index 0000000..33506c11
--- /dev/null
+++ b/include/drm/drm_usb.h
@@ -0,0 +1,15 @@
+#ifndef DRM_USB_H
+#define DRM_USB_H
+
+#include <drmP.h>
+
+#include <linux/usb.h>
+
+extern int drm_usb_init(struct drm_driver *driver, struct usb_driver *udriver);
+extern void drm_usb_exit(struct drm_driver *driver, struct usb_driver *udriver);
+
+int drm_get_usb_dev(struct usb_interface *interface,
+ const struct usb_device_id *id,
+ struct drm_driver *driver);
+
+#endif
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