#include <linux/mutex.h>
#include <linux/videodev2.h>
#include <linux/dma-mapping.h>
-#ifdef CONFIG_VIDEO_V4L1_COMPAT
-/* Include V4L1 specific functions. Should be removed soon */
-#include <linux/videodev.h>
-#endif
#include <linux/interrupt.h>
#include <linux/kthread.h>
#include <linux/highmem.h>
.maximum = 65535,
.step = 65535/100,
.default_value = 65535,
- .flags = 0,
+ .flags = V4L2_CTRL_FLAG_SLIDER,
.type = V4L2_CTRL_TYPE_INTEGER,
}, {
.id = V4L2_CID_BRIGHTNESS,
.maximum = 255,
.step = 1,
.default_value = 127,
- .flags = 0,
+ .flags = V4L2_CTRL_FLAG_SLIDER,
}, {
.id = V4L2_CID_CONTRAST,
.type = V4L2_CTRL_TYPE_INTEGER,
.maximum = 255,
.step = 0x1,
.default_value = 0x10,
- .flags = 0,
+ .flags = V4L2_CTRL_FLAG_SLIDER,
}, {
.id = V4L2_CID_SATURATION,
.type = V4L2_CTRL_TYPE_INTEGER,
.maximum = 255,
.step = 0x1,
.default_value = 127,
- .flags = 0,
+ .flags = V4L2_CTRL_FLAG_SLIDER,
}, {
.id = V4L2_CID_HUE,
.type = V4L2_CTRL_TYPE_INTEGER,
.maximum = 127,
.step = 0x1,
.default_value = 0,
- .flags = 0,
+ .flags = V4L2_CTRL_FLAG_SLIDER,
}
};
-static int qctl_regs[ARRAY_SIZE(vivi_qctrl)];
-
#define dprintk(dev, level, fmt, arg...) \
v4l2_dbg(level, debug, &dev->v4l2_dev, fmt, ## arg)
/* Input Number */
int input;
+
+ /* Control 'registers' */
+ int qctl_regs[ARRAY_SIZE(vivi_qctrl)];
};
struct vivi_fh {
#define TO_U(r, g, b) \
(((-9714 * r - 19070 * g + 28784 * b + 32768) >> 16) + 128)
+/* precalculate color bar values to speed up rendering */
+static void precalculate_bars(struct vivi_fh *fh)
+{
+ struct vivi_dev *dev = fh->dev;
+ unsigned char r, g, b;
+ int k, is_yuv;
+
+ fh->input = dev->input;
+
+ for (k = 0; k < 8; k++) {
+ r = bars[fh->input].bar[k][0];
+ g = bars[fh->input].bar[k][1];
+ b = bars[fh->input].bar[k][2];
+ is_yuv = 0;
+
+ switch (fh->fmt->fourcc) {
+ case V4L2_PIX_FMT_YUYV:
+ case V4L2_PIX_FMT_UYVY:
+ is_yuv = 1;
+ break;
+ case V4L2_PIX_FMT_RGB565:
+ case V4L2_PIX_FMT_RGB565X:
+ r >>= 3;
+ g >>= 2;
+ b >>= 3;
+ break;
+ case V4L2_PIX_FMT_RGB555:
+ case V4L2_PIX_FMT_RGB555X:
+ r >>= 3;
+ g >>= 3;
+ b >>= 3;
+ break;
+ }
+
+ if (is_yuv) {
+ fh->bars[k][0] = TO_Y(r, g, b); /* Luma */
+ fh->bars[k][1] = TO_U(r, g, b); /* Cb */
+ fh->bars[k][2] = TO_V(r, g, b); /* Cr */
+ } else {
+ fh->bars[k][0] = r;
+ fh->bars[k][1] = g;
+ fh->bars[k][2] = b;
+ }
+ }
+
+}
+
#define TSTAMP_MIN_Y 24
#define TSTAMP_MAX_Y (TSTAMP_MIN_Y + 15)
#define TSTAMP_INPUT_X 10
buf->vb.height = fh->height;
buf->vb.field = field;
+ precalculate_bars(fh);
+
if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
rc = videobuf_iolock(vq, &buf->vb, NULL);
if (rc < 0)
maxh = norm_maxh();
f->fmt.pix.field = field;
- if (f->fmt.pix.height < 32)
- f->fmt.pix.height = 32;
- if (f->fmt.pix.height > maxh)
- f->fmt.pix.height = maxh;
- if (f->fmt.pix.width < 48)
- f->fmt.pix.width = 48;
- if (f->fmt.pix.width > maxw)
- f->fmt.pix.width = maxw;
- f->fmt.pix.width &= ~0x03;
+ v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
+ &f->fmt.pix.height, 32, maxh, 0, 0);
f->fmt.pix.bytesperline =
(f->fmt.pix.width * fmt->depth) >> 3;
f->fmt.pix.sizeimage =
return 0;
}
-/* precalculate color bar values to speed up rendering */
-static void precalculate_bars(struct vivi_fh *fh)
-{
- struct vivi_dev *dev = fh->dev;
- unsigned char r, g, b;
- int k, is_yuv;
-
- fh->input = dev->input;
-
- for (k = 0; k < 8; k++) {
- r = bars[fh->input].bar[k][0];
- g = bars[fh->input].bar[k][1];
- b = bars[fh->input].bar[k][2];
- is_yuv = 0;
-
- switch (fh->fmt->fourcc) {
- case V4L2_PIX_FMT_YUYV:
- case V4L2_PIX_FMT_UYVY:
- is_yuv = 1;
- break;
- case V4L2_PIX_FMT_RGB565:
- case V4L2_PIX_FMT_RGB565X:
- r >>= 3;
- g >>= 2;
- b >>= 3;
- break;
- case V4L2_PIX_FMT_RGB555:
- case V4L2_PIX_FMT_RGB555X:
- r >>= 3;
- g >>= 3;
- b >>= 3;
- break;
- }
-
- if (is_yuv) {
- fh->bars[k][0] = TO_Y(r, g, b); /* Luma */
- fh->bars[k][1] = TO_U(r, g, b); /* Cb */
- fh->bars[k][2] = TO_V(r, g, b); /* Cr */
- } else {
- fh->bars[k][0] = r;
- fh->bars[k][1] = g;
- fh->bars[k][2] = b;
- }
- }
-
-}
-
/*FIXME: This seems to be generic enough to be at videodev2 */
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
fh->vb_vidq.field = f->fmt.pix.field;
fh->type = f->type;
- precalculate_bars(fh);
-
ret = 0;
out:
mutex_unlock(&q->vb_lock);
static int vidioc_g_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl)
{
+ struct vivi_fh *fh = priv;
+ struct vivi_dev *dev = fh->dev;
int i;
for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
if (ctrl->id == vivi_qctrl[i].id) {
- ctrl->value = qctl_regs[i];
- return (0);
+ ctrl->value = dev->qctl_regs[i];
+ return 0;
}
return -EINVAL;
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl)
{
+ struct vivi_fh *fh = priv;
+ struct vivi_dev *dev = fh->dev;
int i;
for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
if (ctrl->id == vivi_qctrl[i].id) {
- if (ctrl->value < vivi_qctrl[i].minimum
- || ctrl->value > vivi_qctrl[i].maximum) {
- return (-ERANGE);
- }
- qctl_regs[i] = ctrl->value;
- return (0);
+ if (ctrl->value < vivi_qctrl[i].minimum ||
+ ctrl->value > vivi_qctrl[i].maximum) {
+ return -ERANGE;
+ }
+ dev->qctl_regs[i] = ctrl->value;
+ return 0;
}
return -EINVAL;
}
{
struct vivi_dev *dev = video_drvdata(file);
struct vivi_fh *fh = NULL;
- int i;
int retval = 0;
mutex_lock(&dev->mutex);
return -EBUSY;
}
- dprintk(dev, 1, "open /dev/video%d type=%s users=%d\n", dev->vfd->num,
+ dprintk(dev, 1, "open %s type=%s users=%d\n",
+ video_device_node_name(dev->vfd),
v4l2_type_names[V4L2_BUF_TYPE_VIDEO_CAPTURE], dev->users);
/* allocate + initialize per filehandle data */
fh->width = 640;
fh->height = 480;
- /* Put all controls at a sane state */
- for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
- qctl_regs[i] = vivi_qctrl[i].default_value;
-
/* Resets frame counters */
dev->h = 0;
dev->m = 0;
struct vivi_fh *fh = file->private_data;
struct vivi_dev *dev = fh->dev;
struct vivi_dmaqueue *vidq = &dev->vidq;
-
- int minor = video_devdata(file)->minor;
+ struct video_device *vdev = video_devdata(file);
vivi_stop_thread(vidq);
videobuf_stop(&fh->vb_vidq);
dev->users--;
mutex_unlock(&dev->mutex);
- dprintk(dev, 1, "close called (minor=%d, users=%d)\n",
- minor, dev->users);
+ dprintk(dev, 1, "close called (dev=%s, users=%d)\n",
+ video_device_node_name(vdev), dev->users);
return 0;
}
.name = "vivi",
.fops = &vivi_fops,
.ioctl_ops = &vivi_ioctl_ops,
- .minor = -1,
.release = video_device_release,
.tvnorms = V4L2_STD_525_60,
list_del(list);
dev = list_entry(list, struct vivi_dev, vivi_devlist);
- v4l2_info(&dev->v4l2_dev, "unregistering /dev/video%d\n",
- dev->vfd->num);
+ v4l2_info(&dev->v4l2_dev, "unregistering %s\n",
+ video_device_node_name(dev->vfd));
video_unregister_device(dev->vfd);
v4l2_device_unregister(&dev->v4l2_dev);
kfree(dev);
return 0;
}
-static int __init vivi_create_instance(int i)
+static int __init vivi_create_instance(int inst)
{
struct vivi_dev *dev;
struct video_device *vfd;
- int ret;
+ int ret, i;
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev)
return -ENOMEM;
snprintf(dev->v4l2_dev.name, sizeof(dev->v4l2_dev.name),
- "%s-%03d", VIVI_MODULE_NAME, i);
+ "%s-%03d", VIVI_MODULE_NAME, inst);
ret = v4l2_device_register(NULL, &dev->v4l2_dev);
if (ret)
goto free_dev;
goto unreg_dev;
*vfd = vivi_template;
+ vfd->debug = debug;
ret = video_register_device(vfd, VFL_TYPE_GRABBER, video_nr);
if (ret < 0)
video_set_drvdata(vfd, dev);
+ /* Set all controls to their default value. */
+ for (i = 0; i < ARRAY_SIZE(vivi_qctrl); i++)
+ dev->qctl_regs[i] = vivi_qctrl[i].default_value;
+
/* Now that everything is fine, let's add it to device list */
list_add_tail(&dev->vivi_devlist, &vivi_devlist);
- snprintf(vfd->name, sizeof(vfd->name), "%s (%i)",
- vivi_template.name, vfd->num);
-
- if (video_nr >= 0)
+ if (video_nr != -1)
video_nr++;
dev->vfd = vfd;
- v4l2_info(&dev->v4l2_dev, "V4L2 device registered as /dev/video%d\n",
- vfd->num);
+ v4l2_info(&dev->v4l2_dev, "V4L2 device registered as %s\n",
+ video_device_node_name(vfd));
return 0;
rel_vdev:
*/
static int __init vivi_init(void)
{
- int ret, i;
+ int ret = 0, i;
if (n_devs <= 0)
n_devs = 1;
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff