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path: root/drivers/media/common/saa7146_fops.c
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Diffstat (limited to 'drivers/media/common/saa7146_fops.c')
-rw-r--r--drivers/media/common/saa7146_fops.c126
1 files changed, 105 insertions, 21 deletions
diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c
index 71f8e018e564..7d42c11c8684 100644
--- a/drivers/media/common/saa7146_fops.c
+++ b/drivers/media/common/saa7146_fops.c
@@ -198,7 +198,6 @@ static int fops_open(struct file *file)
struct saa7146_dev *dev = video_drvdata(file);
struct saa7146_fh *fh = NULL;
int result = 0;
-
enum v4l2_buf_type type;
DEB_EE("file:%p, dev:%s\n", file, video_device_node_name(vdev));
@@ -227,11 +226,12 @@ static int fops_open(struct file *file)
goto out;
}
- file->private_data = fh;
+ v4l2_fh_init(&fh->fh, vdev);
+
+ file->private_data = &fh->fh;
fh->dev = dev;
- fh->type = type;
- if( fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
+ if (vdev->vfl_type == VFL_TYPE_VBI) {
DEB_S("initializing vbi...\n");
if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE)
result = saa7146_vbi_uops.open(dev,file);
@@ -252,6 +252,7 @@ static int fops_open(struct file *file)
}
result = 0;
+ v4l2_fh_add(&fh->fh);
out:
if (fh && result != 0) {
kfree(fh);
@@ -263,6 +264,7 @@ out:
static int fops_release(struct file *file)
{
+ struct video_device *vdev = video_devdata(file);
struct saa7146_fh *fh = file->private_data;
struct saa7146_dev *dev = fh->dev;
@@ -271,7 +273,7 @@ static int fops_release(struct file *file)
if (mutex_lock_interruptible(&saa7146_devices_lock))
return -ERESTARTSYS;
- if( fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
+ if (vdev->vfl_type == VFL_TYPE_VBI) {
if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE)
saa7146_vbi_uops.release(dev,file);
if (dev->ext_vv_data->vbi_fops.release)
@@ -280,6 +282,8 @@ static int fops_release(struct file *file)
saa7146_video_uops.release(dev,file);
}
+ v4l2_fh_del(&fh->fh);
+ v4l2_fh_exit(&fh->fh);
module_put(dev->ext->module);
file->private_data = NULL;
kfree(fh);
@@ -291,19 +295,22 @@ static int fops_release(struct file *file)
static int fops_mmap(struct file *file, struct vm_area_struct * vma)
{
+ struct video_device *vdev = video_devdata(file);
struct saa7146_fh *fh = file->private_data;
struct videobuf_queue *q;
- switch (fh->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE: {
+ switch (vdev->vfl_type) {
+ case VFL_TYPE_GRABBER: {
DEB_EE("V4L2_BUF_TYPE_VIDEO_CAPTURE: file:%p, vma:%p\n",
file, vma);
q = &fh->video_q;
break;
}
- case V4L2_BUF_TYPE_VBI_CAPTURE: {
+ case VFL_TYPE_VBI: {
DEB_EE("V4L2_BUF_TYPE_VBI_CAPTURE: file:%p, vma:%p\n",
file, vma);
+ if (fh->dev->ext_vv_data->capabilities & V4L2_CAP_SLICED_VBI_OUTPUT)
+ return -ENODEV;
q = &fh->vbi_q;
break;
}
@@ -317,15 +324,19 @@ static int fops_mmap(struct file *file, struct vm_area_struct * vma)
static unsigned int fops_poll(struct file *file, struct poll_table_struct *wait)
{
+ struct video_device *vdev = video_devdata(file);
struct saa7146_fh *fh = file->private_data;
struct videobuf_buffer *buf = NULL;
struct videobuf_queue *q;
+ unsigned int res = v4l2_ctrl_poll(file, wait);
DEB_EE("file:%p, poll:%p\n", file, wait);
- if (V4L2_BUF_TYPE_VBI_CAPTURE == fh->type) {
+ if (vdev->vfl_type == VFL_TYPE_VBI) {
+ if (fh->dev->ext_vv_data->capabilities & V4L2_CAP_SLICED_VBI_OUTPUT)
+ return res | POLLOUT | POLLWRNORM;
if( 0 == fh->vbi_q.streaming )
- return videobuf_poll_stream(file, &fh->vbi_q, wait);
+ return res | videobuf_poll_stream(file, &fh->vbi_q, wait);
q = &fh->vbi_q;
} else {
DEB_D("using video queue\n");
@@ -337,31 +348,32 @@ static unsigned int fops_poll(struct file *file, struct poll_table_struct *wait)
if (!buf) {
DEB_D("buf == NULL!\n");
- return POLLERR;
+ return res | POLLERR;
}
poll_wait(file, &buf->done, wait);
if (buf->state == VIDEOBUF_DONE || buf->state == VIDEOBUF_ERROR) {
DEB_D("poll succeeded!\n");
- return POLLIN|POLLRDNORM;
+ return res | POLLIN | POLLRDNORM;
}
DEB_D("nothing to poll for, buf->state:%d\n", buf->state);
- return 0;
+ return res;
}
static ssize_t fops_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
{
+ struct video_device *vdev = video_devdata(file);
struct saa7146_fh *fh = file->private_data;
- switch (fh->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ switch (vdev->vfl_type) {
+ case VFL_TYPE_GRABBER:
/*
DEB_EE("V4L2_BUF_TYPE_VIDEO_CAPTURE: file:%p, data:%p, count:%lun",
file, data, (unsigned long)count);
*/
return saa7146_video_uops.read(file,data,count,ppos);
- case V4L2_BUF_TYPE_VBI_CAPTURE:
+ case VFL_TYPE_VBI:
/*
DEB_EE("V4L2_BUF_TYPE_VBI_CAPTURE: file:%p, data:%p, count:%lu\n",
file, data, (unsigned long)count);
@@ -377,12 +389,13 @@ static ssize_t fops_read(struct file *file, char __user *data, size_t count, lof
static ssize_t fops_write(struct file *file, const char __user *data, size_t count, loff_t *ppos)
{
+ struct video_device *vdev = video_devdata(file);
struct saa7146_fh *fh = file->private_data;
- switch (fh->type) {
- case V4L2_BUF_TYPE_VIDEO_CAPTURE:
+ switch (vdev->vfl_type) {
+ case VFL_TYPE_GRABBER:
return -EINVAL;
- case V4L2_BUF_TYPE_VBI_CAPTURE:
+ case VFL_TYPE_VBI:
if (fh->dev->ext_vv_data->vbi_fops.write)
return fh->dev->ext_vv_data->vbi_fops.write(file, data, count, ppos);
else
@@ -429,8 +442,15 @@ static void vv_callback(struct saa7146_dev *dev, unsigned long status)
}
}
+static const struct v4l2_ctrl_ops saa7146_ctrl_ops = {
+ .s_ctrl = saa7146_s_ctrl,
+};
+
int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv)
{
+ struct v4l2_ctrl_handler *hdl = &dev->ctrl_handler;
+ struct v4l2_pix_format *fmt;
+ struct v4l2_vbi_format *vbi;
struct saa7146_vv *vv;
int err;
@@ -438,12 +458,32 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv)
if (err)
return err;
+ v4l2_ctrl_handler_init(hdl, 6);
+ v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops,
+ V4L2_CID_BRIGHTNESS, 0, 255, 1, 128);
+ v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops,
+ V4L2_CID_CONTRAST, 0, 127, 1, 64);
+ v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops,
+ V4L2_CID_SATURATION, 0, 127, 1, 64);
+ v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops,
+ V4L2_CID_VFLIP, 0, 1, 1, 0);
+ v4l2_ctrl_new_std(hdl, &saa7146_ctrl_ops,
+ V4L2_CID_HFLIP, 0, 1, 1, 0);
+ if (hdl->error) {
+ err = hdl->error;
+ v4l2_ctrl_handler_free(hdl);
+ return err;
+ }
+ dev->v4l2_dev.ctrl_handler = hdl;
+
vv = kzalloc(sizeof(struct saa7146_vv), GFP_KERNEL);
if (vv == NULL) {
ERR("out of memory. aborting.\n");
+ v4l2_ctrl_handler_free(hdl);
return -ENOMEM;
}
- ext_vv->ops = saa7146_video_ioctl_ops;
+ ext_vv->vid_ops = saa7146_video_ioctl_ops;
+ ext_vv->vbi_ops = saa7146_vbi_ioctl_ops;
ext_vv->core_ops = &saa7146_video_ioctl_ops;
DEB_EE("dev:%p\n", dev);
@@ -463,6 +503,7 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv)
if( NULL == vv->d_clipping.cpu_addr ) {
ERR("out of memory. aborting.\n");
kfree(vv);
+ v4l2_ctrl_handler_free(hdl);
return -1;
}
memset(vv->d_clipping.cpu_addr, 0x0, SAA7146_CLIPPING_MEM);
@@ -471,6 +512,39 @@ int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv)
if (dev->ext_vv_data->capabilities & V4L2_CAP_VBI_CAPTURE)
saa7146_vbi_uops.init(dev,vv);
+ fmt = &vv->ov_fb.fmt;
+ fmt->width = vv->standard->h_max_out;
+ fmt->height = vv->standard->v_max_out;
+ fmt->pixelformat = V4L2_PIX_FMT_RGB565;
+ fmt->bytesperline = 2 * fmt->width;
+ fmt->sizeimage = fmt->bytesperline * fmt->height;
+ fmt->colorspace = V4L2_COLORSPACE_SRGB;
+
+ fmt = &vv->video_fmt;
+ fmt->width = 384;
+ fmt->height = 288;
+ fmt->pixelformat = V4L2_PIX_FMT_BGR24;
+ fmt->field = V4L2_FIELD_ANY;
+ fmt->colorspace = V4L2_COLORSPACE_SMPTE170M;
+ fmt->bytesperline = 3 * fmt->width;
+ fmt->sizeimage = fmt->bytesperline * fmt->height;
+
+ vbi = &vv->vbi_fmt;
+ vbi->sampling_rate = 27000000;
+ vbi->offset = 248; /* todo */
+ vbi->samples_per_line = 720 * 2;
+ vbi->sample_format = V4L2_PIX_FMT_GREY;
+
+ /* fixme: this only works for PAL */
+ vbi->start[0] = 5;
+ vbi->count[0] = 16;
+ vbi->start[1] = 312;
+ vbi->count[1] = 16;
+
+ init_timer(&vv->vbi_read_timeout);
+
+ vv->ov_fb.capability = V4L2_FBUF_CAP_LIST_CLIPPING;
+ vv->ov_fb.flags = V4L2_FBUF_FLAG_PRIMARY;
dev->vv_data = vv;
dev->vv_callback = &vv_callback;
@@ -486,6 +560,7 @@ int saa7146_vv_release(struct saa7146_dev* dev)
v4l2_device_unregister(&dev->v4l2_dev);
pci_free_consistent(dev->pci, SAA7146_CLIPPING_MEM, vv->d_clipping.cpu_addr, vv->d_clipping.dma_handle);
+ v4l2_ctrl_handler_free(&dev->ctrl_handler);
kfree(vv);
dev->vv_data = NULL;
dev->vv_callback = NULL;
@@ -509,10 +584,19 @@ int saa7146_register_device(struct video_device **vid, struct saa7146_dev* dev,
return -ENOMEM;
vfd->fops = &video_fops;
- vfd->ioctl_ops = &dev->ext_vv_data->ops;
+ if (type == VFL_TYPE_GRABBER)
+ vfd->ioctl_ops = &dev->ext_vv_data->vid_ops;
+ else
+ vfd->ioctl_ops = &dev->ext_vv_data->vbi_ops;
vfd->release = video_device_release;
+ /* Locking in file operations other than ioctl should be done by
+ the driver, not the V4L2 core.
+ This driver needs auditing so that this flag can be removed. */
+ set_bit(V4L2_FL_LOCK_ALL_FOPS, &vfd->flags);
vfd->lock = &dev->v4l2_lock;
+ vfd->v4l2_dev = &dev->v4l2_dev;
vfd->tvnorms = 0;
+ set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags);
for (i = 0; i < dev->ext_vv_data->num_stds; i++)
vfd->tvnorms |= dev->ext_vv_data->stds[i].id;
strlcpy(vfd->name, name, sizeof(vfd->name));