korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-24 20:54:10 +08:00
Code Issues Packages Projects Releases Wiki Activity

[media] v4l: soc-camera: Remove videobuf1 support

Browse Source 
All remaining soc-camera drivers use videobuf2, drop support for
videobuf1.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
[hans.verkuil@cisco.com: also drop 'select VIDEOBUF_GEN' from Kconfig]

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Laurent Pinchart 2017-03-08 12:33:27 -03:00 committed by Mauro Carvalho Chehab
parent e8a2a41ee2
commit 73a0159920
3 changed files with 20 additions and 98 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/media/platform/soc_camera/Kconfig
View File

@ -1,7 +1,6 @@
config SOC_CAMERA
tristate "SoC camera support"
depends on VIDEO_V4L2 && HAS_DMA && I2C
select VIDEOBUF_GEN
select VIDEOBUF2_CORE
help
SoC Camera is a common API to several cameras, not connecting

103
drivers/media/platform/soc_camera/soc_camera.c
View File

@ -37,18 +37,12 @@
#include <media/v4l2-ioctl.h>
#include <media/v4l2-dev.h>
#include <media/v4l2-of.h>
#include <media/videobuf-core.h>
#include <media/videobuf2-v4l2.h>
/* Default to VGA resolution */
#define DEFAULT_WIDTH 640
#define DEFAULT_HEIGHT 480
#define is_streaming(ici, icd) \
(((ici)->ops->init_videobuf) ? \
(icd)->vb_vidq.streaming : \
vb2_is_streaming(&(icd)->vb2_vidq))
#define MAP_MAX_NUM 32
static DECLARE_BITMAP(device_map, MAP_MAX_NUM);
static LIST_HEAD(hosts);
@ -367,23 +361,13 @@ static int soc_camera_reqbufs(struct file *file, void *priv,
{
int ret;
struct soc_camera_device *icd = file->private_data;
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
WARN_ON(priv != file->private_data);
if (icd->streamer && icd->streamer != file)
return -EBUSY;
if (ici->ops->init_videobuf) {
ret = videobuf_reqbufs(&icd->vb_vidq, p);
if (ret < 0)
return ret;
ret = ici->ops->reqbufs(icd, p);
} else {
ret = vb2_reqbufs(&icd->vb2_vidq, p);
}
ret = vb2_reqbufs(&icd->vb2_vidq, p);
if (!ret)
icd->streamer = p->count ? file : NULL;
return ret;
@ -393,61 +377,44 @@ static int soc_camera_querybuf(struct file *file, void *priv,
struct v4l2_buffer *p)
{
struct soc_camera_device *icd = file->private_data;
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
WARN_ON(priv != file->private_data);
if (ici->ops->init_videobuf)
return videobuf_querybuf(&icd->vb_vidq, p);
else
return vb2_querybuf(&icd->vb2_vidq, p);
return vb2_querybuf(&icd->vb2_vidq, p);
}
static int soc_camera_qbuf(struct file *file, void *priv,
struct v4l2_buffer *p)
{
struct soc_camera_device *icd = file->private_data;
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
WARN_ON(priv != file->private_data);
if (icd->streamer != file)
return -EBUSY;
if (ici->ops->init_videobuf)
return videobuf_qbuf(&icd->vb_vidq, p);
else
return vb2_qbuf(&icd->vb2_vidq, p);
return vb2_qbuf(&icd->vb2_vidq, p);
}
static int soc_camera_dqbuf(struct file *file, void *priv,
struct v4l2_buffer *p)
{
struct soc_camera_device *icd = file->private_data;
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
WARN_ON(priv != file->private_data);
if (icd->streamer != file)
return -EBUSY;
if (ici->ops->init_videobuf)
return videobuf_dqbuf(&icd->vb_vidq, p, file->f_flags & O_NONBLOCK);
else
return vb2_dqbuf(&icd->vb2_vidq, p, file->f_flags & O_NONBLOCK);
return vb2_dqbuf(&icd->vb2_vidq, p, file->f_flags & O_NONBLOCK);
}
static int soc_camera_create_bufs(struct file *file, void *priv,
struct v4l2_create_buffers *create)
{
struct soc_camera_device *icd = file->private_data;
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
int ret;
/* videobuf2 only */
if (ici->ops->init_videobuf)
return -ENOTTY;
if (icd->streamer && icd->streamer != file)
return -EBUSY;
@ -461,24 +428,14 @@ static int soc_camera_prepare_buf(struct file *file, void *priv,
struct v4l2_buffer *b)
{
struct soc_camera_device *icd = file->private_data;
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
/* videobuf2 only */
if (ici->ops->init_videobuf)
return -EINVAL;
else
return vb2_prepare_buf(&icd->vb2_vidq, b);
return vb2_prepare_buf(&icd->vb2_vidq, b);
}
static int soc_camera_expbuf(struct file *file, void *priv,
struct v4l2_exportbuffer *p)
{
struct soc_camera_device *icd = file->private_data;
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
/* videobuf2 only */
if (ici->ops->init_videobuf)
return -ENOTTY;
if (icd->streamer && icd->streamer != file)
return -EBUSY;
@ -602,8 +559,6 @@ static int soc_camera_set_fmt(struct soc_camera_device *icd,
icd->sizeimage = pix->sizeimage;
icd->colorspace = pix->colorspace;
icd->field = pix->field;
if (ici->ops->init_videobuf)
icd->vb_vidq.field = pix->field;
dev_dbg(icd->pdev, "set width: %d height: %d\n",
icd->user_width, icd->user_height);
@ -745,13 +700,9 @@ static int soc_camera_open(struct file *file)
if (ret < 0)
goto esfmt;
if (ici->ops->init_videobuf) {
ici->ops->init_videobuf(&icd->vb_vidq, icd);
} else {
ret = ici->ops->init_videobuf2(&icd->vb2_vidq, icd);
if (ret < 0)
goto einitvb;
}
ret = ici->ops->init_videobuf2(&icd->vb2_vidq, icd);
if (ret < 0)
goto einitvb;
v4l2_ctrl_handler_setup(&icd->ctrl_handler);
}
mutex_unlock(&ici->host_lock);
@ -842,10 +793,7 @@ static int soc_camera_mmap(struct file *file, struct vm_area_struct *vma)
if (mutex_lock_interruptible(&ici->host_lock))
return -ERESTARTSYS;
if (ici->ops->init_videobuf)
err = videobuf_mmap_mapper(&icd->vb_vidq, vma);
else
err = vb2_mmap(&icd->vb2_vidq, vma);
err = vb2_mmap(&icd->vb2_vidq, vma);
mutex_unlock(&ici->host_lock);
dev_dbg(icd->pdev, "vma start=0x%08lx, size=%ld, ret=%d\n",
@ -866,10 +814,7 @@ static unsigned int soc_camera_poll(struct file *file, poll_table *pt)
return POLLERR;
mutex_lock(&ici->host_lock);
if (ici->ops->init_videobuf && list_empty(&icd->vb_vidq.stream))
dev_err(icd->pdev, "Trying to poll with no queued buffers!\n");
else
res = ici->ops->poll(file, pt);
res = ici->ops->poll(file, pt);
mutex_unlock(&ici->host_lock);
return res;
}
@ -900,7 +845,7 @@ static int soc_camera_s_fmt_vid_cap(struct file *file, void *priv,
if (icd->streamer && icd->streamer != file)
return -EBUSY;
if (is_streaming(to_soc_camera_host(icd->parent), icd)) {
if (vb2_is_streaming(&icd->vb2_vidq)) {
dev_err(icd->pdev, "S_FMT denied: queue initialised\n");
return -EBUSY;
}
@ -971,7 +916,6 @@ static int soc_camera_streamon(struct file *file, void *priv,
enum v4l2_buf_type i)
{
struct soc_camera_device *icd = file->private_data;
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
int ret;
@ -983,12 +927,8 @@ static int soc_camera_streamon(struct file *file, void *priv,
if (icd->streamer != file)
return -EBUSY;
/* This calls buf_queue from host driver's videobuf_queue_ops */
if (ici->ops->init_videobuf)
ret = videobuf_streamon(&icd->vb_vidq);
else
ret = vb2_streamon(&icd->vb2_vidq, i);
/* This calls buf_queue from host driver's videobuf2_queue_ops */
ret = vb2_streamon(&icd->vb2_vidq, i);
if (!ret)
v4l2_subdev_call(sd, video, s_stream, 1);
@ -1000,7 +940,6 @@ static int soc_camera_streamoff(struct file *file, void *priv,
{
struct soc_camera_device *icd = file->private_data;
struct v4l2_subdev *sd = soc_camera_to_subdev(icd);
struct soc_camera_host *ici = to_soc_camera_host(icd->parent);
int ret;
WARN_ON(priv != file->private_data);
@ -1012,13 +951,10 @@ static int soc_camera_streamoff(struct file *file, void *priv,
return -EBUSY;
/*
* This calls buf_release from host driver's videobuf_queue_ops for all
* This calls buf_release from host driver's videobuf2_queue_ops for all
* remaining buffers. When the last buffer is freed, stop capture
*/
if (ici->ops->init_videobuf)
ret = videobuf_streamoff(&icd->vb_vidq);
else
ret = vb2_streamoff(&icd->vb2_vidq, i);
ret = vb2_streamoff(&icd->vb2_vidq, i);
v4l2_subdev_call(sd, video, s_stream, 0);
@ -1053,7 +989,7 @@ static int soc_camera_s_selection(struct file *file, void *fh,
if (s->target == V4L2_SEL_TGT_COMPOSE) {
/* No output size change during a running capture! */
if (is_streaming(ici, icd) &&
if (vb2_is_streaming(&icd->vb2_vidq) &&
(icd->user_width != s->r.width ||
icd->user_height != s->r.height))
return -EBUSY;
@ -1066,7 +1002,8 @@ static int soc_camera_s_selection(struct file *file, void *fh,
return -EBUSY;
}
if (s->target == V4L2_SEL_TGT_CROP && is_streaming(ici, icd) &&
if (s->target == V4L2_SEL_TGT_CROP &&
vb2_is_streaming(&icd->vb2_vidq) &&
ici->ops->set_liveselection)
ret = ici->ops->set_liveselection(icd, s);
else
@ -1910,9 +1847,7 @@ int soc_camera_host_register(struct soc_camera_host *ici)
!ici->ops->set_fmt ||
!ici->ops->set_bus_param ||
!ici->ops->querycap ||
((!ici->ops->init_videobuf ||
!ici->ops->reqbufs) &&
!ici->ops->init_videobuf2) ||
!ici->ops->init_videobuf2 ||
!ici->ops->poll ||
!ici->v4l2_dev.dev)
return -EINVAL;

14
include/media/soc_camera.h
View File

@ -17,7 +17,6 @@
#include <linux/mutex.h>
#include <linux/pm.h>
#include <linux/videodev2.h>
#include <media/videobuf-core.h>
#include <media/videobuf2-v4l2.h>
#include <media/v4l2-async.h>
#include <media/v4l2-ctrls.h>
@ -55,10 +54,7 @@ struct soc_camera_device {
/* Asynchronous subdevice management */
struct soc_camera_async_client *sasc;
/* video buffer queue */
union {
struct videobuf_queue vb_vidq;
struct vb2_queue vb2_vidq;
};
struct vb2_queue vb2_vidq;
};
/* Host supports programmable stride */
@ -114,11 +110,8 @@ struct soc_camera_host_ops {
int (*set_liveselection)(struct soc_camera_device *, struct v4l2_selection *);
int (*set_fmt)(struct soc_camera_device *, struct v4l2_format *);
int (*try_fmt)(struct soc_camera_device *, struct v4l2_format *);
void (*init_videobuf)(struct videobuf_queue *,
struct soc_camera_device *);
int (*init_videobuf2)(struct vb2_queue *,
struct soc_camera_device *);
int (*reqbufs)(struct soc_camera_device *, struct v4l2_requestbuffers *);
int (*querycap)(struct soc_camera_host *, struct v4l2_capability *);
int (*set_bus_param)(struct soc_camera_device *);
int (*get_parm)(struct soc_camera_device *, struct v4l2_streamparm *);
@ -396,11 +389,6 @@ static inline struct soc_camera_device *soc_camera_from_vb2q(const struct vb2_qu
return container_of(vq, struct soc_camera_device, vb2_vidq);
}
static inline struct soc_camera_device *soc_camera_from_vbq(const struct videobuf_queue *vq)
{
return container_of(vq, struct soc_camera_device, vb_vidq);
}
static inline u32 soc_camera_grp_id(const struct soc_camera_device *icd)
{
return (icd->iface << 8) | (icd->devnum + 1);