[media] omap_vout: use control framework

Replace the old control code with the control framework.

This is one of the few remaining drivers that was not using this
framework.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Hans Verkuil 2016-07-03 07:33:33 -03:00 committed by Mauro Carvalho Chehab
parent a4d020e97d
commit 77430f0396
2 changed files with 29 additions and 85 deletions

View File

@ -1318,71 +1318,16 @@ static int vidioc_s_crop(struct file *file, void *fh, const struct v4l2_crop *cr
return ret;
}
static int vidioc_queryctrl(struct file *file, void *fh,
struct v4l2_queryctrl *ctrl)
static int omap_vout_s_ctrl(struct v4l2_ctrl *ctrl)
{
struct omap_vout_device *vout =
container_of(ctrl->handler, struct omap_vout_device, ctrl_handler);
int ret = 0;
switch (ctrl->id) {
case V4L2_CID_ROTATE:
ret = v4l2_ctrl_query_fill(ctrl, 0, 270, 90, 0);
break;
case V4L2_CID_BG_COLOR:
ret = v4l2_ctrl_query_fill(ctrl, 0, 0xFFFFFF, 1, 0);
break;
case V4L2_CID_VFLIP:
ret = v4l2_ctrl_query_fill(ctrl, 0, 1, 1, 0);
break;
default:
ctrl->name[0] = '\0';
ret = -EINVAL;
}
return ret;
}
static int vidioc_g_ctrl(struct file *file, void *fh, struct v4l2_control *ctrl)
{
int ret = 0;
struct omap_vout_device *vout = fh;
switch (ctrl->id) {
case V4L2_CID_ROTATE:
ctrl->value = vout->control[0].value;
break;
case V4L2_CID_BG_COLOR:
{
struct omap_overlay_manager_info info;
struct omap_overlay *ovl;
ovl = vout->vid_info.overlays[0];
if (!ovl->manager || !ovl->manager->get_manager_info) {
ret = -EINVAL;
break;
}
ovl->manager->get_manager_info(ovl->manager, &info);
ctrl->value = info.default_color;
break;
}
case V4L2_CID_VFLIP:
ctrl->value = vout->control[2].value;
break;
default:
ret = -EINVAL;
}
return ret;
}
static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *a)
{
int ret = 0;
struct omap_vout_device *vout = fh;
switch (a->id) {
case V4L2_CID_ROTATE:
{
case V4L2_CID_ROTATE: {
struct omapvideo_info *ovid;
int rotation = a->value;
int rotation = ctrl->val;
ovid = &vout->vid_info;
@ -1405,15 +1350,13 @@ static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *a)
ret = -EINVAL;
break;
}
vout->control[0].value = rotation;
mutex_unlock(&vout->lock);
break;
}
case V4L2_CID_BG_COLOR:
{
struct omap_overlay *ovl;
unsigned int color = a->value;
unsigned int color = ctrl->val;
struct omap_overlay_manager_info info;
ovl = vout->vid_info.overlays[0];
@ -1432,15 +1375,13 @@ static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *a)
ret = -EINVAL;
break;
}
vout->control[1].value = color;
mutex_unlock(&vout->lock);
break;
}
case V4L2_CID_VFLIP:
{
struct omapvideo_info *ovid;
unsigned int mirror = a->value;
unsigned int mirror = ctrl->val;
ovid = &vout->vid_info;
@ -1457,16 +1398,19 @@ static int vidioc_s_ctrl(struct file *file, void *fh, struct v4l2_control *a)
break;
}
vout->mirror = mirror;
vout->control[2].value = mirror;
mutex_unlock(&vout->lock);
break;
}
default:
ret = -EINVAL;
return -EINVAL;
}
return ret;
}
static const struct v4l2_ctrl_ops omap_vout_ctrl_ops = {
.s_ctrl = omap_vout_s_ctrl,
};
static int vidioc_reqbufs(struct file *file, void *fh,
struct v4l2_requestbuffers *req)
{
@ -1831,11 +1775,8 @@ static const struct v4l2_ioctl_ops vout_ioctl_ops = {
.vidioc_g_fmt_vid_out = vidioc_g_fmt_vid_out,
.vidioc_try_fmt_vid_out = vidioc_try_fmt_vid_out,
.vidioc_s_fmt_vid_out = vidioc_s_fmt_vid_out,
.vidioc_queryctrl = vidioc_queryctrl,
.vidioc_g_ctrl = vidioc_g_ctrl,
.vidioc_s_fbuf = vidioc_s_fbuf,
.vidioc_g_fbuf = vidioc_g_fbuf,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_try_fmt_vid_out_overlay = vidioc_try_fmt_vid_overlay,
.vidioc_s_fmt_vid_out_overlay = vidioc_s_fmt_vid_overlay,
.vidioc_g_fmt_vid_out_overlay = vidioc_g_fmt_vid_overlay,
@ -1865,9 +1806,9 @@ static int __init omap_vout_setup_video_data(struct omap_vout_device *vout)
{
struct video_device *vfd;
struct v4l2_pix_format *pix;
struct v4l2_control *control;
struct omap_overlay *ovl = vout->vid_info.overlays[0];
struct omap_dss_device *display = ovl->get_device(ovl);
struct v4l2_ctrl_handler *hdl;
/* set the default pix */
pix = &vout->pix;
@ -1896,29 +1837,32 @@ static int __init omap_vout_setup_video_data(struct omap_vout_device *vout)
omap_vout_new_format(pix, &vout->fbuf, &vout->crop, &vout->win);
/*Initialize the control variables for
rotation, flipping and background color. */
control = vout->control;
control[0].id = V4L2_CID_ROTATE;
control[0].value = 0;
hdl = &vout->ctrl_handler;
v4l2_ctrl_handler_init(hdl, 3);
v4l2_ctrl_new_std(hdl, &omap_vout_ctrl_ops,
V4L2_CID_ROTATE, 0, 270, 90, 0);
v4l2_ctrl_new_std(hdl, &omap_vout_ctrl_ops,
V4L2_CID_BG_COLOR, 0, 0xffffff, 1, 0);
v4l2_ctrl_new_std(hdl, &omap_vout_ctrl_ops,
V4L2_CID_VFLIP, 0, 1, 1, 0);
if (hdl->error)
return hdl->error;
vout->rotation = 0;
vout->mirror = false;
vout->control[2].id = V4L2_CID_HFLIP;
vout->control[2].value = 0;
if (vout->vid_info.rotation_type == VOUT_ROT_VRFB)
vout->vrfb_bpp = 2;
control[1].id = V4L2_CID_BG_COLOR;
control[1].value = 0;
/* initialize the video_device struct */
vfd = vout->vfd = video_device_alloc();
if (!vfd) {
printk(KERN_ERR VOUT_NAME ": could not allocate"
" video device struct\n");
v4l2_ctrl_handler_free(hdl);
return -ENOMEM;
}
vfd->ctrl_handler = hdl;
vfd->release = video_device_release;
vfd->ioctl_ops = &vout_ioctl_ops;
@ -2092,6 +2036,7 @@ static void omap_vout_cleanup_device(struct omap_vout_device *vout)
video_unregister_device(vfd);
}
}
v4l2_ctrl_handler_free(&vout->ctrl_handler);
if (ovid->rotation_type == VOUT_ROT_VRFB) {
omap_vout_release_vrfb(vout);
/* Free the VRFB buffer if allocated

View File

@ -11,6 +11,7 @@
#ifndef OMAP_VOUTDEF_H
#define OMAP_VOUTDEF_H
#include <media/v4l2-ctrls.h>
#include <video/omapdss.h>
#include <video/omapvrfb.h>
@ -116,6 +117,7 @@ struct omap_vout_device {
struct omapvideo_info vid_info;
struct video_device *vfd;
struct omap2video_device *vid_dev;
struct v4l2_ctrl_handler ctrl_handler;
int vid;
int opened;
@ -149,12 +151,9 @@ struct omap_vout_device {
/* Lock to protect the shared data structures in ioctl */
struct mutex lock;
/* V4L2 control structure for different control id */
struct v4l2_control control[MAX_CID];
enum dss_rotation rotation;
bool mirror;
int flicker_filter;
/* V4L2 control structure for different control id */
int bpp; /* bytes per pixel */
int vrfb_bpp; /* bytes per pixel with respect to VRFB */