Commit 3a83c16e authored by Andrzej Pietrasiewicz's avatar Andrzej Pietrasiewicz Committed by Felipe Balbi
Browse files

usb: gadget: uvc: separately compile some components of f_uvc 



Compile uvc_queue, uvc_v4l2, uvc_video separately so that later they can
be all combined in a separately compiled f_uvc.

Signed-off-by: default avatarAndrzej Pietrasiewicz <andrzej.p@samsung.com>
Tested-by: default avatarMichael Grzeschik <m.grzeschik@pengutronix.de>
[Make uvc_v4l2_ioctl_ops non-static]
[Rename __UVC__V4L2__H__ and __UVC__VIDEO__H__]
[Update MAINTAINERS]
Signed-off-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: default avatarAndrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 7ea95b11

MAINTAINERS

+1 −1
Original line number Diff line number Diff line
@@ -9669,7 +9669,7 @@ USB WEBCAM GADGET 
M:	Laurent Pinchart <laurent.pinchart@ideasonboard.com>

L:	linux-usb@vger.kernel.org

S:	Maintained

F:	drivers/usb/gadget/function/*uvc*.c

F:	drivers/usb/gadget/function/*uvc*

F:	drivers/usb/gadget/legacy/webcam.c



USB WIRELESS RNDIS DRIVER (rndis_wlan)

drivers/usb/gadget/function/f_uvc.c

+2 −0
Original line number Diff line number Diff line
@@ -27,6 +27,8 @@ 
#include <media/v4l2-event.h>



#include "uvc.h"

#include "uvc_v4l2.h"

#include "uvc_video.h"



unsigned int uvc_gadget_trace_param;

static unsigned int streaming_interval;

drivers/usb/gadget/function/f_uvc.h

+8 −0
Original line number Diff line number Diff line
@@ -16,6 +16,14 @@ 
#include <linux/usb/composite.h>

#include <linux/usb/video.h>



#include "uvc.h"



void uvc_function_setup_continue(struct uvc_device *uvc);



void uvc_function_connect(struct uvc_device *uvc);



void uvc_function_disconnect(struct uvc_device *uvc);



int uvc_bind_config(struct usb_configuration *c,

		    const struct uvc_descriptor_header * const *fs_control,

		    const struct uvc_descriptor_header * const *hs_control,

drivers/usb/gadget/function/uvc.h

+1 −0
Original line number Diff line number Diff line
@@ -53,6 +53,7 @@ struct uvc_event 
#ifdef __KERNEL__



#include <linux/usb.h>	/* For usb_endpoint_* */

#include <linux/usb/composite.h>

#include <linux/usb/gadget.h>

#include <linux/videodev2.h>

#include <linux/version.h>

drivers/usb/gadget/function/uvc_queue.c

+17 −22
Original line number Diff line number Diff line
@@ -126,8 +126,7 @@ static struct vb2_ops uvc_queue_qops = { 
	.wait_finish = uvc_wait_finish,

};



static int uvcg_queue_init(struct uvc_video_queue *queue,

			   enum v4l2_buf_type type)

int uvcg_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type)

{

	int ret;
@@ -154,7 +153,7 @@ static int uvcg_queue_init(struct uvc_video_queue *queue, 
/*

 * Free the video buffers.

 */

static void uvcg_free_buffers(struct uvc_video_queue *queue)

void uvcg_free_buffers(struct uvc_video_queue *queue)

{

	mutex_lock(&queue->mutex);

	vb2_queue_release(&queue->queue);
@@ -164,7 +163,7 @@ static void uvcg_free_buffers(struct uvc_video_queue *queue) 
/*

 * Allocate the video buffers.

 */

static int uvcg_alloc_buffers(struct uvc_video_queue *queue,

int uvcg_alloc_buffers(struct uvc_video_queue *queue,

			      struct v4l2_requestbuffers *rb)

{

	int ret;
@@ -176,8 +175,7 @@ static int uvcg_alloc_buffers(struct uvc_video_queue *queue, 
	return ret ? ret : rb->count;

}



static int uvcg_query_buffer(struct uvc_video_queue *queue,

			     struct v4l2_buffer *buf)

int uvcg_query_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf)

{

	int ret;
@@ -188,8 +186,7 @@ static int uvcg_query_buffer(struct uvc_video_queue *queue, 
	return ret;

}



static int uvcg_queue_buffer(struct uvc_video_queue *queue,

			     struct v4l2_buffer *buf)

int uvcg_queue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf)

{

	unsigned long flags;

	int ret;
@@ -213,8 +210,8 @@ done: 
 * Dequeue a video buffer. If nonblocking is false, block until a buffer is

 * available.

 */

static int uvcg_dequeue_buffer(struct uvc_video_queue *queue,

			       struct v4l2_buffer *buf, int nonblocking)

int uvcg_dequeue_buffer(struct uvc_video_queue *queue, struct v4l2_buffer *buf,

			int nonblocking)

{

	int ret;
@@ -231,8 +228,8 @@ static int uvcg_dequeue_buffer(struct uvc_video_queue *queue, 
 * This function implements video queue polling and is intended to be used by

 * the device poll handler.

 */

static unsigned int uvcg_queue_poll(struct uvc_video_queue *queue,

				    struct file *file, poll_table *wait)

unsigned int uvcg_queue_poll(struct uvc_video_queue *queue, struct file *file,

			     poll_table *wait)

{

	unsigned int ret;
@@ -243,8 +240,7 @@ static unsigned int uvcg_queue_poll(struct uvc_video_queue *queue, 
	return ret;

}



static int uvcg_queue_mmap(struct uvc_video_queue *queue,

			   struct vm_area_struct *vma)

int uvcg_queue_mmap(struct uvc_video_queue *queue, struct vm_area_struct *vma)

{

	int ret;
@@ -261,8 +257,7 @@ static int uvcg_queue_mmap(struct uvc_video_queue *queue, 
 *

 * NO-MMU arch need this function to make mmap() work correctly.

 */

static unsigned long uvcg_queue_get_unmapped_area(

				struct uvc_video_queue *queue,

unsigned long uvcg_queue_get_unmapped_area(struct uvc_video_queue *queue,

					   unsigned long pgoff)

{

	unsigned long ret;
@@ -286,7 +281,7 @@ static unsigned long uvcg_queue_get_unmapped_area( 
 * This function acquires the irq spinlock and can be called from interrupt

 * context.

 */

static void uvcg_queue_cancel(struct uvc_video_queue *queue, int disconnect)

void uvcg_queue_cancel(struct uvc_video_queue *queue, int disconnect)

{

	struct uvc_buffer *buf;

	unsigned long flags;
@@ -327,7 +322,7 @@ static void uvcg_queue_cancel(struct uvc_video_queue *queue, int disconnect) 
 * This function can't be called from interrupt context. Use

 * uvcg_queue_cancel() instead.

 */

static int uvcg_queue_enable(struct uvc_video_queue *queue, int enable)

int uvcg_queue_enable(struct uvc_video_queue *queue, int enable)

{

	unsigned long flags;

	int ret = 0;
@@ -364,7 +359,7 @@ done: 
}



/* called with &queue_irqlock held.. */

static struct uvc_buffer *uvcg_queue_next_buffer(struct uvc_video_queue *queue,

struct uvc_buffer *uvcg_queue_next_buffer(struct uvc_video_queue *queue,

					  struct uvc_buffer *buf)

{

	struct uvc_buffer *nextbuf;
@@ -393,7 +388,7 @@ static struct uvc_buffer *uvcg_queue_next_buffer(struct uvc_video_queue *queue, 
	return nextbuf;

}



static struct uvc_buffer *uvcg_queue_head(struct uvc_video_queue *queue)

struct uvc_buffer *uvcg_queue_head(struct uvc_video_queue *queue)

{

	struct uvc_buffer *buf = NULL;

CRA Git | Maintained and supported by SUSTech CRA and CCSE