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