diff options
Diffstat (limited to 'drivers/media/video/w9966.c')
| -rw-r--r-- | drivers/media/video/w9966.c | 94 |
1 files changed, 41 insertions, 53 deletions
diff --git a/drivers/media/video/w9966.c b/drivers/media/video/w9966.c index 7fd7ac5..db2a600 100644 --- a/drivers/media/video/w9966.c +++ b/drivers/media/video/w9966.c @@ -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); |