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[media] w9966: convert to the latest frameworks 

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2012-05-08 17:00:43 -03:00 committed by Mauro Carvalho Chehab
parent c551af62e5
commit 9d5934446a
1 changed files with 41 additions and 53 deletions
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94
drivers/media/video/w9966.c
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@ -62,6 +62,9 @@
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-device.h>
#include <media/v4l2-fh.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-event.h>
#include <linux/parport.h>
/*#define DEBUG*/ /* Undef me for production */
@ -104,6 +107,7 @@
struct w9966 {
struct v4l2_device v4l2_dev;
struct v4l2_ctrl_handler hdl;
unsigned char dev_state;
unsigned char i2c_state;
unsigned short ppmode;
@ -567,7 +571,8 @@ static int cam_querycap(struct file *file, void *priv,
strlcpy(vcap->driver, cam->v4l2_dev.name, sizeof(vcap->driver));
strlcpy(vcap->card, W9966_DRIVERNAME, sizeof(vcap->card));
strlcpy(vcap->bus_info, "parport", sizeof(vcap->bus_info));
vcap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE;
vcap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_READWRITE;
vcap->capabilities = vcap->device_caps | V4L2_CAP_DEVICE_CAPS;
return 0;
}
@ -595,67 +600,25 @@ static int cam_s_input(struct file *file, void *fh, unsigned int inp)
return (inp > 0) ? -EINVAL : 0;
}
static int cam_queryctrl(struct file *file, void *priv,
struct v4l2_queryctrl *qc)
static int cam_s_ctrl(struct v4l2_ctrl *ctrl)
{
switch (qc->id) {
case V4L2_CID_BRIGHTNESS:
return v4l2_ctrl_query_fill(qc, 0, 255, 1, 128);
case V4L2_CID_CONTRAST:
return v4l2_ctrl_query_fill(qc, -64, 64, 1, 64);
case V4L2_CID_SATURATION:
return v4l2_ctrl_query_fill(qc, -64, 64, 1, 64);
case V4L2_CID_HUE:
return v4l2_ctrl_query_fill(qc, -128, 127, 1, 0);
}
return -EINVAL;
}
static int cam_g_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl)
{
struct w9966 *cam = video_drvdata(file);
int ret = 0;
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
ctrl->value = cam->brightness;
break;
case V4L2_CID_CONTRAST:
ctrl->value = cam->contrast;
break;
case V4L2_CID_SATURATION:
ctrl->value = cam->color;
break;
case V4L2_CID_HUE:
ctrl->value = cam->hue;
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
static int cam_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl)
{
struct w9966 *cam = video_drvdata(file);
struct w9966 *cam =
container_of(ctrl->handler, struct w9966, hdl);
int ret = 0;
mutex_lock(&cam->lock);
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
cam->brightness = ctrl->value;
cam->brightness = ctrl->val;
break;
case V4L2_CID_CONTRAST:
cam->contrast = ctrl->value;
cam->contrast = ctrl->val;
break;
case V4L2_CID_SATURATION:
cam->color = ctrl->value;
cam->color = ctrl->val;
break;
case V4L2_CID_HUE:
cam->hue = ctrl->value;
cam->hue = ctrl->val;
break;
default:
ret = -EINVAL;
@ -813,6 +776,9 @@ out:
static const struct v4l2_file_operations w9966_fops = {
.owner = THIS_MODULE,
.open = v4l2_fh_open,
.release = v4l2_fh_release,
.poll = v4l2_ctrl_poll,
.unlocked_ioctl = video_ioctl2,
.read = w9966_v4l_read,
};
@ -822,13 +788,17 @@ static const struct v4l2_ioctl_ops w9966_ioctl_ops = {
.vidioc_g_input = cam_g_input,
.vidioc_s_input = cam_s_input,
.vidioc_enum_input = cam_enum_input,
.vidioc_queryctrl = cam_queryctrl,
.vidioc_g_ctrl = cam_g_ctrl,
.vidioc_s_ctrl = cam_s_ctrl,
.vidioc_enum_fmt_vid_cap = cam_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = cam_g_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = cam_s_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = cam_try_fmt_vid_cap,
.vidioc_log_status = v4l2_ctrl_log_status,
.vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
.vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
static const struct v4l2_ctrl_ops cam_ctrl_ops = {
.s_ctrl = cam_s_ctrl,
};
@ -849,6 +819,20 @@ static int w9966_init(struct w9966 *cam, struct parport *port)
v4l2_err(v4l2_dev, "Could not register v4l2_device\n");
return -1;
}
v4l2_ctrl_handler_init(&cam->hdl, 4);
v4l2_ctrl_new_std(&cam->hdl, &cam_ctrl_ops,
V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
v4l2_ctrl_new_std(&cam->hdl, &cam_ctrl_ops,
V4L2_CID_CONTRAST, -64, 64, 1, 64);
v4l2_ctrl_new_std(&cam->hdl, &cam_ctrl_ops,
V4L2_CID_SATURATION, -64, 64, 1, 64);
v4l2_ctrl_new_std(&cam->hdl, &cam_ctrl_ops,
V4L2_CID_HUE, -128, 127, 1, 0);
if (cam->hdl.error) {
v4l2_err(v4l2_dev, "couldn't register controls\n");
return -1;
}
cam->pport = port;
cam->brightness = 128;
cam->contrast = 64;
@ -898,6 +882,8 @@ static int w9966_init(struct w9966 *cam, struct parport *port)
cam->vdev.fops = &w9966_fops;
cam->vdev.ioctl_ops = &w9966_ioctl_ops;
cam->vdev.release = video_device_release_empty;
cam->vdev.ctrl_handler = &cam->hdl;
set_bit(V4L2_FL_USE_FH_PRIO, &cam->vdev.flags);
video_set_drvdata(&cam->vdev, cam);
mutex_init(&cam->lock);
@ -923,6 +909,8 @@ static void w9966_term(struct w9966 *cam)
w9966_set_state(cam, W9966_STATE_VDEV, 0);
}
v4l2_ctrl_handler_free(&cam->hdl);
/* Terminate from IEEE1284 mode and release pdev block */
if (w9966_get_state(cam, W9966_STATE_PDEV, W9966_STATE_PDEV)) {
w9966_pdev_claim(cam);