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[media] zoran: convert to the control framework and to v4l2_fh 

Switch this driver to the control framework and to v4l2_fh for
handling control events.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Hans Verkuil 2015-07-20 10:18:21 -03:00 committed by Mauro Carvalho Chehab
parent 7b962d43ef
commit e56c597b02
3 changed files with 23 additions and 55 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/media/pci/zoran/zoran.h
View File

@ -32,6 +32,8 @@
#define _BUZ_H_
#include <media/v4l2-device.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-fh.h>
struct zoran_sync {
unsigned long frame; /* number of buffer that has been free'd */
@ -216,6 +218,7 @@ struct zoran;
/* zoran_fh contains per-open() settings */
struct zoran_fh {
struct v4l2_fh fh;
struct zoran *zr;
enum zoran_map_mode map_mode; /* Flag which bufferset will map by next mmap() */
@ -268,6 +271,7 @@ struct card_info {
struct zoran {
struct v4l2_device v4l2_dev;
struct v4l2_ctrl_handler hdl;
struct video_device *video_dev;
struct i2c_adapter i2c_adapter; /* */

5
drivers/media/pci/zoran/zoran_card.c
View File

@ -1117,6 +1117,7 @@ static void zoran_remove(struct pci_dev *pdev)
pci_disable_device(zr->pci_dev);
video_unregister_device(zr->video_dev);
exit_free:
v4l2_ctrl_handler_free(&zr->hdl);
v4l2_device_unregister(&zr->v4l2_dev);
kfree(zr);
}
@ -1220,6 +1221,9 @@ static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
zr->pci_dev = pdev;
zr->id = nr;
snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id);
if (v4l2_ctrl_handler_init(&zr->hdl, 10))
goto zr_unreg;
zr->v4l2_dev.ctrl_handler = &zr->hdl;
spin_lock_init(&zr->spinlock);
mutex_init(&zr->lock);
if (pci_enable_device(pdev))
@ -1443,6 +1447,7 @@ static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
zr_unmap:
iounmap(zr->zr36057_mem);
zr_unreg:
v4l2_ctrl_handler_free(&zr->hdl);
v4l2_device_unregister(&zr->v4l2_dev);
zr_free_mem:
kfree(zr);

69
drivers/media/pci/zoran/zoran_driver.c
View File

@ -61,6 +61,7 @@
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-event.h>
#include "videocodec.h"
#include <asm/byteorder.h>
@ -937,6 +938,8 @@ static int zoran_open(struct file *file)
res = -ENOMEM;
goto fail_unlock;
}
v4l2_fh_init(&fh->fh, video_devdata(file));
/* used to be BUZ_MAX_WIDTH/HEIGHT, but that gives overflows
* on norm-change! */
fh->overlay_mask =
@ -966,6 +969,7 @@ static int zoran_open(struct file *file)
file->private_data = fh;
fh->zr = zr;
zoran_open_init_session(fh);
v4l2_fh_add(&fh->fh);
mutex_unlock(&zr->lock);
return 0;
@ -1028,6 +1032,8 @@ zoran_close(struct file *file)
}
mutex_unlock(&zr->lock);
v4l2_fh_del(&fh->fh);
v4l2_fh_exit(&fh->fh);
kfree(fh->overlay_mask);
kfree(fh);
@ -2263,53 +2269,6 @@ static int zoran_streamoff(struct file *file, void *__fh, enum v4l2_buf_type typ
}
return res;
}
static int zoran_queryctrl(struct file *file, void *__fh,
struct v4l2_queryctrl *ctrl)
{
struct zoran_fh *fh = __fh;
struct zoran *zr = fh->zr;
/* we only support hue/saturation/contrast/brightness */
if (ctrl->id < V4L2_CID_BRIGHTNESS ||
ctrl->id > V4L2_CID_HUE)
return -EINVAL;
decoder_call(zr, core, queryctrl, ctrl);
return 0;
}
static int zoran_g_ctrl(struct file *file, void *__fh, struct v4l2_control *ctrl)
{
struct zoran_fh *fh = __fh;
struct zoran *zr = fh->zr;
/* we only support hue/saturation/contrast/brightness */
if (ctrl->id < V4L2_CID_BRIGHTNESS ||
ctrl->id > V4L2_CID_HUE)
return -EINVAL;
decoder_call(zr, core, g_ctrl, ctrl);
return 0;
}
static int zoran_s_ctrl(struct file *file, void *__fh, struct v4l2_control *ctrl)
{
struct zoran_fh *fh = __fh;
struct zoran *zr = fh->zr;
/* we only support hue/saturation/contrast/brightness */
if (ctrl->id < V4L2_CID_BRIGHTNESS ||
ctrl->id > V4L2_CID_HUE)
return -EINVAL;
decoder_call(zr, core, s_ctrl, ctrl);
return 0;
}
static int zoran_g_std(struct file *file, void *__fh, v4l2_std_id *std)
{
struct zoran_fh *fh = __fh;
@ -2563,7 +2522,8 @@ zoran_poll (struct file *file,
{
struct zoran_fh *fh = file->private_data;
struct zoran *zr = fh->zr;
int res = 0, frame;
int res = v4l2_ctrl_poll(file, wait);
int frame;
unsigned long flags;
/* we should check whether buffers are ready to be synced on
@ -2591,7 +2551,7 @@ zoran_poll (struct file *file,
if (fh->buffers.active != ZORAN_FREE &&
/* Buffer ready to DQBUF? */
zr->v4l_buffers.buffer[frame].state == BUZ_STATE_DONE)
res = POLLIN | POLLRDNORM;
res |= POLLIN | POLLRDNORM;
spin_unlock_irqrestore(&zr->spinlock, flags);
break;
@ -2612,9 +2572,9 @@ zoran_poll (struct file *file,
if (fh->buffers.active != ZORAN_FREE &&
zr->jpg_buffers.buffer[frame].state == BUZ_STATE_DONE) {
if (fh->map_mode == ZORAN_MAP_MODE_JPG_REC)
res = POLLIN | POLLRDNORM;
res |= POLLIN | POLLRDNORM;
else
res = POLLOUT | POLLWRNORM;
res |= POLLOUT | POLLWRNORM;
}
spin_unlock_irqrestore(&zr->spinlock, flags);
@ -2625,7 +2585,7 @@ zoran_poll (struct file *file,
KERN_ERR
"%s: %s - internal error, unknown map_mode=%d\n",
ZR_DEVNAME(zr), __func__, fh->map_mode);
res = POLLNVAL;
res |= POLLERR;
}
return res;
@ -2882,9 +2842,8 @@ static const struct v4l2_ioctl_ops zoran_ioctl_ops = {
.vidioc_try_fmt_vid_cap = zoran_try_fmt_vid_cap,
.vidioc_try_fmt_vid_out = zoran_try_fmt_vid_out,
.vidioc_try_fmt_vid_overlay = zoran_try_fmt_vid_overlay,
.vidioc_queryctrl = zoran_queryctrl,
.vidioc_s_ctrl = zoran_s_ctrl,
.vidioc_g_ctrl = zoran_g_ctrl,
.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
static const struct v4l2_file_operations zoran_fops = {