The UVC gadget userspace API (V4L2 events and custom ioctls) is defined
in a header internal to the kernel. Move it to a new public header to
make it accessible to userspace.
The UVC_INTF_CONTROL and UVC_INTF_STREAMING macros are not used, so
remove them in the process.
Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
MAINTAINERS | 1 +
drivers/usb/gadget/function/uvc.h | 45 +++++----------------------------------
include/uapi/linux/usb/g_uvc.h | 39 +++++++++++++++++++++++++++++++++
3 files changed, 45 insertions(+), 40 deletions(-)
create mode 100644 include/uapi/linux/usb/g_uvc.h
diff --git a/MAINTAINERS b/MAINTAINERS
index 58b9861ccf99..1ff4fa34febd 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14772,6 +14772,7 @@ L: linux-usb@xxxxxxxxxxxxxxx
S: Maintained
F: drivers/usb/gadget/function/*uvc*
F: drivers/usb/gadget/legacy/webcam.c
+F: include/uapi/linux/usb/g_uvc.h
USB WIRELESS RNDIS DRIVER (rndis_wlan)
M: Jussi Kivilinna <jussi.kivilinna@xxxxxx>
diff --git a/drivers/usb/gadget/function/uvc.h b/drivers/usb/gadget/function/uvc.h
index a64e07e61f8c..053e4b72039d 100644
--- a/drivers/usb/gadget/function/uvc.h
+++ b/drivers/usb/gadget/function/uvc.h
@@ -9,52 +9,20 @@
#ifndef _UVC_GADGET_H_
#define _UVC_GADGET_H_
-#include <linux/ioctl.h>
-#include <linux/types.h>
-#include <linux/usb/ch9.h>
-
-#define UVC_EVENT_FIRST (V4L2_EVENT_PRIVATE_START + 0)
-#define UVC_EVENT_CONNECT (V4L2_EVENT_PRIVATE_START + 0)
-#define UVC_EVENT_DISCONNECT (V4L2_EVENT_PRIVATE_START + 1)
-#define UVC_EVENT_STREAMON (V4L2_EVENT_PRIVATE_START + 2)
-#define UVC_EVENT_STREAMOFF (V4L2_EVENT_PRIVATE_START + 3)
-#define UVC_EVENT_SETUP (V4L2_EVENT_PRIVATE_START + 4)
-#define UVC_EVENT_DATA (V4L2_EVENT_PRIVATE_START + 5)
-#define UVC_EVENT_LAST (V4L2_EVENT_PRIVATE_START + 5)
-
-struct uvc_request_data {
- __s32 length;
- __u8 data[60];
-};
-
-struct uvc_event {
- union {
- enum usb_device_speed speed;
- struct usb_ctrlrequest req;
- struct uvc_request_data data;
- };
-};
-
-#define UVCIOC_SEND_RESPONSE _IOW('U', 1, struct uvc_request_data)
-
-#define UVC_INTF_CONTROL 0
-#define UVC_INTF_STREAMING 1
-
-/* ------------------------------------------------------------------------
- * Debugging, printing and logging
- */
-
-#ifdef __KERNEL__
-
#include <linux/usb.h> /* For usb_endpoint_* */
#include <linux/usb/composite.h>
#include <linux/usb/gadget.h>
+#include <linux/usb/g_uvc.h>
#include <linux/videodev2.h>
#include <media/v4l2-fh.h>
#include <media/v4l2-device.h>
#include "uvc_queue.h"
+/* ------------------------------------------------------------------------
+ * Debugging, printing and logging
+ */
+
#define UVC_TRACE_PROBE (1 << 0)
#define UVC_TRACE_DESCR (1 << 1)
#define UVC_TRACE_CONTROL (1 << 2)
@@ -184,7 +152,4 @@ extern void uvc_endpoint_stream(struct uvc_device *dev);
extern void uvc_function_connect(struct uvc_device *uvc);
extern void uvc_function_disconnect(struct uvc_device *uvc);
-#endif /* __KERNEL__ */
-
#endif /* _UVC_GADGET_H_ */
-
diff --git a/include/uapi/linux/usb/g_uvc.h b/include/uapi/linux/usb/g_uvc.h
new file mode 100644
index 000000000000..3c9ee3020cbb
--- /dev/null
+++ b/include/uapi/linux/usb/g_uvc.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * g_uvc.h -- USB Video Class Gadget driver API
+ *
+ * Copyright (C) 2009-2010 Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
+ */
+
+#ifndef __LINUX_USB_G_UVC_H
+#define __LINUX_USB_G_UVC_H
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+#include <linux/usb/ch9.h>
+
+#define UVC_EVENT_FIRST (V4L2_EVENT_PRIVATE_START + 0)
+#define UVC_EVENT_CONNECT (V4L2_EVENT_PRIVATE_START + 0)
+#define UVC_EVENT_DISCONNECT (V4L2_EVENT_PRIVATE_START + 1)
+#define UVC_EVENT_STREAMON (V4L2_EVENT_PRIVATE_START + 2)
+#define UVC_EVENT_STREAMOFF (V4L2_EVENT_PRIVATE_START + 3)
+#define UVC_EVENT_SETUP (V4L2_EVENT_PRIVATE_START + 4)
+#define UVC_EVENT_DATA (V4L2_EVENT_PRIVATE_START + 5)
+#define UVC_EVENT_LAST (V4L2_EVENT_PRIVATE_START + 5)
+
+struct uvc_request_data {
+ __s32 length;
+ __u8 data[60];
+};
+
+struct uvc_event {
+ union {
+ enum usb_device_speed speed;
+ struct usb_ctrlrequest req;
+ struct uvc_request_data data;
+ };
+};
+
+#define UVCIOC_SEND_RESPONSE _IOW('U', 1, struct uvc_request_data)
+
+#endif /* __LINUX_USB_G_UVC_H */
--
Regards,
Laurent Pinchart
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